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A maintained list of 1,854 legitimate backlink sites: directories, profile creation sites, guest posting sites, launch platforms, registries and marketplaces. 1,532 are free or have a free tier, 44 usually give a dofollow link, and 772 have an estimated DA of 70 or more. Every row shows authority, link type, cost and effort, and links straight to the submit page.
The table is wider than the screen — swipe it sideways for cost, effort and the preparation notes.
| # | Impact (sorted) | Site — sort by this | Est. DA — sort by this | Link | Domain | Type | Cost | Effort — sort by this | Priority | Status | What to prepare | Rules / caveat | Checked | Actions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 100 | CB Insights | 90 | Nofollow | cbinsights.com | Profiles and entities | Free | Quick | Do first | Not submitted | Request an Analyst Briefing and complete the company survey with product, customer, growth, funding, and market evidence. | Submission does not guarantee profile or research inclusion; all metrics and claims must be supportable and current. | 2026-08-03 | Open CB Insights submit page (new tab)CB Insights details |
| 2 | 100 | Postman | 90 | Nofollow | postman.com | Profiles and entities | Free | Quick | Do first | Live, conditional | Create an your tool public workspace with sanitized API collections, examples, documentation, and a canonical homepage link on the publisher profile. | Never publish tokens, cookies, secrets, private endpoints, or user data; run the secret scan before making a workspace public. | https://learning.postman.com/v11/docs/collaborating-in-postman/using-workspaces/public-workspaces | Open Postman submit page (new tab)Postman details |
| 3 | 97 | Hugging Face Spaces | 90 | Nofollow | huggingface.co | Profiles and entities | Free + paid tier | Quick | Do first | Verified live | Publish a real your tool privacy, redaction, or local-AI demo Space and add the canonical your tool URL in its README/metadata. | Use a genuine working demo. Public Spaces expose source; protected/private visibility has plan limits. | https://huggingface.co/docs/hub/main/spaces-overview | Open Hugging Face Spaces submit page (new tab)Hugging Face Spaces details |
| 4 | 95 | Udemy | 95 | Nofollow | udemy.com | Profiles and entities | Free + paid tier | Moderate | Do first | Verified live | Create a substantial free or paid course on practical browser privacy and accessibility auditing, with real demonstrations, exercises, and an honest your tool company or instructor profile. | The first course must pass identity and quality review and comply with restricted-topic and instructor-profile standards. A published profile can include a website link, but the course cannot be a thin marketing funnel. | 2026-08-03 | Open Udemy submit page (new tab)Udemy details |
| 5 | 86 | CodePen | 90 | Nofollow | codepen.io | Profiles and entities | Free | Quick | High | Verified live | Build an original interactive demo of an your tool utility, document the use case in Pen Details, and add your tool as one of the public profile links. | Public Pens are searchable and MIT-licensed; publish original useful code, not a blank redirect or copied landing page. | https://blog.codepen.io/docs/getting-around/your-profile/ | Open CodePen submit page (new tab)CodePen details |
| 6 | 86 | CodeSandbox | 90 | Nofollow | codesandbox.io | Profiles and entities | Free | Quick | High | Not submitted | Publish a small open demo that explains one your tool algorithm or UI pattern and add the product website to the founder profile links. | The sandbox must run and provide reusable technical value; public projects and profile links are UGC and may be nofollowed. | 2026-08-03 | Open CodeSandbox submit page (new tab)CodeSandbox details |
| 7 | 86 | daily.dev | 75 | Nofollow | daily.dev | Profiles and entities | Free | Quick | High | Not submitted | Complete the founder's developer profile, add your tool as real project experience, and publish useful privacy or security engineering posts with contextual links. | Participate as a genuine community member; avoid promotional link dumps, and do not assume any particular search-link attribute. | 2026-08-03 | Open daily.dev submit page (new tab)daily.dev details |
| 8 | 86 | gitconnected | 50 | Nofollow | gitconnected.com | Profiles and entities | Free | Quick | High | Not submitted | Create the founder developer profile, add your tool as a real project, and link the live product and supporting repository where applicable. | Use a real individual profile with accurate work history; this is not a generic company-directory listing. | 2026-08-03 | Open gitconnected submit page (new tab)gitconnected details |
| 9 | 86 | Glasp | 55 | Nofollow | glasp.co | Profiles and entities | Free | Quick | High | Verified live | Create a founder research profile that curates authoritative privacy, accessibility, security, and standards material, including your tool only when it directly supports the annotation. | Free-user highlights are public by default; never add confidential data or secrets, and maintain balanced curation instead of a self-link collection. | Official Glasp pricing and highlighting guidance checked 2026-08-07 | Open Glasp submit page (new tab)Glasp details |
| 10 | 86 | Open Hub | 75 | Nofollow | openhub.net | Profiles and entities | Free | Quick | High | Verified live | Add or claim a genuine open-source your tool project and complete its description, code locations, tags and official homepage. | FOSS projects only; connect real public source history and avoid duplicate or abandoned shell projects. | Official live Open Hub project directory checked 2026-07-30 | Open Open Hub submit page (new tab)Open Hub details |
| 11 | 86 | Tableau Public | 90 | Nofollow | public.tableau.com | Profiles and entities | Free | Quick | High | Verified live | Publish an original dashboard using public your tool benchmark or ecosystem data and add an appropriate project permalink in workbook details. | Everything published is publicly accessible and may be downloadable; never include secrets, private analytics, user-level records, or confidential data. | https://help.tableau.com/current/pro/desktop/en-gb/publish_workbooks_tableaupublic.htm | Open Tableau Public submit page (new tab)Tableau Public details |
| 12 | 84 | ListChallenges | 55 | Nofollow | listchallenges.com | Profiles and entities | Free | Moderate | High | Verified live | Create a genuine founder profile and share a useful build story or tutorial with a relevant link. | Follow community self-promotion rules; contribute before linking; no repetitive posts. Dofollow is reported but recheck after approval. | 2026-07-30 • https://www.submission.directory/site/listchallenges | Open ListChallenges submit page (new tab)ListChallenges details |
| 13 | 84 | Lobsters | 65 | Nofollow | lobste.rs | Profiles and entities | Free | Moderate | High | Needs checking | Create a genuine founder profile and share a useful build story or tutorial with a relevant link. | Follow community self-promotion rules; contribute before linking; no repetitive posts. Dofollow is reported but recheck after approval. | 2026-07-30 • https://www.submission.directory/site/lobsters | Open Lobsters submit page (new tab)Lobsters details |
| 14 | 84 | Open Collective | 85 | Nofollow | opencollective.com | Profiles and entities | Free | Moderate | High | Live, conditional | Create a genuine your tool collective, complete its public profile, and add the official website plus repository/social links. | Use only for a real community or open-source project; keep team, purpose and financial details accurate. | 2026-08-05 | Open Open Collective submit page (new tab)Open Collective details |
| 15 | 84 | Podchaser | 75 | Nofollow | podchaser.com | Profiles and entities | Free | Moderate | High | Live, conditional | Claim a genuine your tool show, verify ownership, and complete its official website and creator details. | Ownership verification by feed email or token is required; never create a fake podcast for links. | 2026-08-04 | Open Podchaser submit page (new tab)Podchaser details |
| 16 | 84 | YouTube | 100 | Nofollow | youtube.com | Profiles and entities | Free | Moderate | High | Not submitted | Create tutorials for top your tool tools with links. | Needs useful videos; links mostly referral/brand. | 2026-07-30 | Open YouTube submit page (new tab)YouTube details |
| 17 | 83 | Eventbrite | 90 | Nofollow | eventbrite.com | Profiles and entities | Free + paid tier | Quick | High | Verified live | Host a genuine your tool privacy/tool workshop or webinar; add your tool in the organizer website field and useful event description. | Do not create fake events or thin SEO pages; publish only a real scheduled event with attendee value. | https://www.eventbrite.com/help/en-us/articles/161196/how-to-set-up-your-organizer-profile-page/ | Open Eventbrite submit page (new tab)Eventbrite details |
| 18 | 83 | Observable | 80 | Nofollow | observablehq.com | Profiles and entities | Free + paid tier | Quick | High | Verified live | Publish an original interactive notebook showing transparent your tool benchmark, privacy, performance, or tool-usage data and cite the relevant your tool pages. | Use only public/non-sensitive data; public notebooks and referenced files are indexable, reusable, and must have accurate sources and licensing. | https://observablehq.com/documentation/collaboration/sharing | Open Observable submit page (new tab)Observable details |
| 19 | 68 | Flickr | 95 | Nofollow | flickr.com | Profiles and entities | Free | Quick | Medium | Not submitted | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow. | 2026-07-30 • https://www.submission.directory/site/flickr | Open Flickr submit page (new tab)Flickr details |
| 20 | 68 | GitLab | 90 | Nofollow | gitlab.com | Profiles and entities | Free | Quick | Medium | Not submitted | Mirror open-source embed SDK or examples with homepage link. | Useful only with real OSS artifact. | 2026-07-30 | Open GitLab submit page (new tab)GitLab details |
| 21 | 68 | Goodreads | 90 | Nofollow | goodreads.com | Profiles and entities | Free | Quick | Medium | Verified live | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow. | 2026-07-30 • https://www.submission.directory/site/goodreads | Open Goodreads submit page (new tab)Goodreads details |
| 22 | 68 | Gravatar | 90 | Nofollow | gravatar.com | Profiles and entities | Free | Quick | Medium | Needs checking | Create brand/founder profile with verified links. | Easy entity citation; low traffic. | 2026-07-30 | Open Gravatar submit page (new tab)Gravatar details |
| 23 | 68 | HubPages | 85 | Nofollow | hubpages.com | Profiles and entities | Free | Quick | Medium | Verified live | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow. | 2026-07-30 • https://www.submission.directory/site/hubpages | Open HubPages submit page (new tab)HubPages details |
| 24 | 68 | Liberapay | 65 | Nofollow | liberapay.com | Profiles and entities | Free | Quick | Medium | Live, conditional | Create an your tool project team, connect verified project accounts, and describe the official website and repository contextually. | Teams are for genuine shared projects; one-contributor projects are allowed, but a single-company shell is not the intended use. | 2026-08-05 | Open Liberapay submit page (new tab)Liberapay details |
| 25 | 68 | Patreon | 95 | Nofollow | patreon.com | Profiles and entities | Free | Quick | Medium | Needs checking | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow. | 2026-07-30 • https://www.submission.directory/site/patreon | Open Patreon submit page (new tab)Patreon details |
| 26 | 68 | ResearchGate | 95 | Nofollow | researchgate.net | Profiles and entities | Free | Quick | Medium | Live, conditional | An eligible active researcher can publish genuine your tool studies, code or datasets and add the official website where appropriate. | Membership is for active researchers; upload only owned research and respect publisher copyright. | 2026-08-04 | Open ResearchGate submit page (new tab)ResearchGate details |
| 27 | 68 | Sketchfab | 90 | Nofollow | sketchfab.com | Profiles and entities | Free | Quick | Medium | Verified live | Publish an original educational 3D asset connected to a real your tool tutorial, with accurate credits and a contextual project link in the description. | Upload only content you own or can license; descriptions should explain the model rather than serve as link ads, and UGC links may be nofollow. | 2026-08-03 | Open Sketchfab submit page (new tab)Sketchfab details |
| 28 | 68 | SlideShare | 95 | Nofollow | slideshare.net | Profiles and entities | Free | Quick | Medium | Needs checking | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow. | 2026-07-30 • https://www.submission.directory/site/slideshare | Open SlideShare submit page (new tab)SlideShare details |
| 29 | 68 | Stack Exchange | 90 | Nofollow | stackexchange.com | Profiles and entities | Free | Quick | Medium | Not submitted | Build a real founder profile and answer narrowly relevant questions, linking to an your tool resource only when it directly substantiates the answer. | Strict anti-self-promotion rules apply; disclose affiliation, never seed questions, and expect links in posts to be UGC or nofollow. | 2026-08-03 | Open Stack Exchange submit page (new tab)Stack Exchange details |
| 30 | 68 | Stack Overflow | 95 | Nofollow | stackoverflow.com | Profiles and entities | Free | Quick | Medium | Not submitted | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow. | 2026-07-30 • https://www.submission.directory/site/stack-overflow | Open Stack Overflow submit page (new tab)Stack Overflow details |
| 31 | 68 | Wattpad | 90 | Nofollow | wattpad.com | Profiles and entities | Free | Quick | Medium | Needs checking | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow. | 2026-07-30 • https://www.submission.directory/site/wattpad | Open Wattpad submit page (new tab)Wattpad details |
| 32 | 66 | devRant | 60 | Nofollow | devrant.com | Profiles and entities | Free | Moderate | Medium | Verified live | Participate as a real developer with original lessons and honest build stories; reference your tool only if a specific discussion genuinely calls for the working example. | devRant treats accounts whose posts/comments mainly consist of links, duplicates, misleading identities, random comments, or purchased interactions as spam. Do not use a business name to mislead, disclose affiliation, and contribute without expecting a backlink. All links/posts are moderated UGC with no indexing or followed-link guarantee. | 2026-08-03 | Open devRant submit page (new tab)devRant details |
| 33 | 66 | Discourse Meta | 80 | Nofollow | discourse.org | Profiles and entities | Free | Moderate | Medium | Verified live | Use a real developer profile and contribute tested solutions on Discourse integrations, accessibility, or privacy only when the team has genuine implementation experience. | Meta is for improving Discourse discussions, not promoting AltFTool; spam, cross-posting, work solicitation outside Marketplace, and pasted AI replies are prohibited. Link only when essential, disclose affiliation, and never sign posts with promotional copy. Posts/profile links are moderated UGC with no permanence or followed-link guarantee. | 2026-08-03 | Open Discourse Meta submit page (new tab)Discourse Meta details |
| 34 | 66 | LiveJournal | 90 | Nofollow | livejournal.com | Profiles and entities | Free | Moderate | Medium | Not submitted | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Dofollow is reported but recheck after approval. | 2026-07-30 • https://www.submission.directory/site/livejournal | Open LiveJournal submit page (new tab)LiveJournal details |
| 35 | 66 | Slashdot | 90 | Nofollow | slashdot.org | Profiles and entities | Free | Moderate | Medium | Not submitted | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Dofollow is reported but recheck after approval. | 2026-07-30 • https://www.submission.directory/site/slashdot | Open Slashdot submit page (new tab)Slashdot details |
| 36 | 66 | Spiceworks Community | 85 | Nofollow | spiceworks.com | Profiles and entities | Free | Moderate | Medium | Verified live | Join with a transparent identity and answer relevant IT/privacy questions from direct experience; mention an your tool resource only when it materially completes a specific answer. | The community explicitly bans spam and promotional participation; only labeled Brand Representatives may promote products/services. Ordinary participation must be helpful and non-promotional, with affiliation disclosed before any contextual mention. Posts are public UGC and search-indexed, but moderation, deletion, and nofollow/rel treatment are at platform discretion. | 2026-08-03 | Open Spiceworks Community submit page (new tab)Spiceworks Community details |
| 37 | 66 | Telegraph | 85 | Nofollow | telegra.ph | Profiles and entities | Free | Moderate | Medium | Verified live | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Dofollow is reported but recheck after approval. | 2026-07-30 • https://www.submission.directory/site/telegraph | Open Telegraph submit page (new tab)Telegraph details |
| 38 | 65 | Academia.edu | 90 | Nofollow | academia.edu | Profiles and entities | Free + paid tier | Quick | Medium | Live, conditional | Publish genuine authored your tool research and add matching project or supporting-material URLs in the paper metadata. | Use authentic authored literature or research; external links must support the paper, not act as unrelated promotion. | 2026-08-04 | Open Academia.edu submit page (new tab)Academia.edu details |
| 39 | 65 | Bento | 70 | Nofollow | bento.me | Profiles and entities | Free + paid tier | Quick | Medium | Not submitted | Create visual link hub for your tool categories. | Good branded profile; low friction. | 2026-07-30 | Open Bento submit page (new tab)Bento details |
| 40 | 65 | Linktree | 90 | Nofollow | linktr.ee | Profiles and entities | Free + paid tier | Quick | Medium | Not submitted | Create your tool link hub for top pages. | Referral/entity profile; links may be nofollow. | 2026-07-30 | Open Linktree submit page (new tab)Linktree details |
| 41 | 65 | Vimeo | 95 | Nofollow | vimeo.com | Profiles and entities | Free + paid tier | Quick | Medium | Not submitted | Create a truthful your tool/founder profile or content page and add the website link where allowed. | Use a real brand/founder identity; do not create thin duplicate pages. Listing link is currently reported nofollow. | 2026-07-30 • https://www.submission.directory/site/vimeo | Open Vimeo submit page (new tab)Vimeo details |
| 42 | 63 | Beacons | 75 | Nofollow | beacons.ai | Profiles and entities | Free + paid tier | Moderate | Medium | Verified live | Create one authentic your tool brand page; link the homepage and a few key tool collections with clear labels. | Use one useful brand page only; link-hub/referral value, no ranking guarantee. | 2026-08-04 | Open Beacons submit page (new tab)Beacons details |
| 43 | 63 | Wikidata | 95 | Nofollow | wikidata.org | Profiles and entities | Free | Involved | Medium | Needs checking | If your organisation or product meets notability rules, create an item with official website and sourced statements. | Items need reliable references and must not be self-promotion; unsourced items get deleted. | Added 2026-11-01 | Open Wikidata submit page (new tab)Wikidata details |
| 44 | 48 | Audiomack | 85 | Nofollow | audiomack.com | Profiles and entities | Free | Quick | Later | Needs checking | Set up a creator account and add your website and socials. | Uploads must be your own; copyright strikes remove content. | Added 2026-11-01 | Open Audiomack submit page (new tab)Audiomack details |
| 45 | 48 | Behance | 90 | Nofollow | behance.net | Profiles and entities | Free | Quick | Later | Not submitted | Publish UI/brand case study for your tool. | Design case study only; not generic submission. | 2026-07-30 | Open Behance submit page (new tab)Behance details |
| 46 | 48 | Bitbucket | 90 | Nofollow | bitbucket.org | Profiles and entities | Free | Quick | Later | Not submitted | Create public repo for embed SDK/example package. | Lower discovery than GitHub; still profile link. | 2026-07-30 | Open Bitbucket submit page (new tab)Bitbucket details |
| 47 | 48 | Bluesky | 90 | Nofollow | bsky.app | Profiles and entities | Free | Quick | Later | Not submitted | Create founder/brand profile linking your tool. | Developer/indie audience; referral/link discovery. | 2026-07-30 | Open Bluesky submit page (new tab)Bluesky details |
| 48 | 48 | BookBub Author Profile | 75 | Nofollow | bookbub.com | Profiles and entities | Free | Quick | Later | Needs checking | Published authors can claim a profile and add a bio and website. | You must have books available for sale. | Added 2026-11-01 | Open BookBub Author Profile submit page (new tab)BookBub Author Profile details |
| 49 | 48 | Campsite.bio | 55 | Nofollow | campsite.bio | Profiles and entities | Free | Quick | Later | Verified live | Create an your tool profile and add genuinely useful homepage, privacy-tool and accessibility-tool links. | Free plan supports unlimited links; keep labels descriptive and the profile authentic. | 2026-08-04 | Open Campsite.bio submit page (new tab)Campsite.bio details |
| 50 | 48 | Codeberg | 75 | Nofollow | codeberg.org | Profiles and entities | Free | Quick | Later | Not submitted | Host privacy-friendly OSS helper repo linking your tool. | Community values open source; avoid pure promo. | 2026-07-30 | Open Codeberg submit page (new tab)Codeberg details |
| 51 | 48 | CodeChef | 75 | Nofollow | codechef.com | Profiles and entities | Free | Quick | Later | Needs checking | Create a profile and add your website or blog link in your details. | Plagiarism in contests leads to bans. | Added 2026-11-01 | Open CodeChef submit page (new tab)CodeChef details |
| 52 | 48 | Codeforces | 80 | Nofollow | codeforces.com | Profiles and entities | Free | Quick | Later | Needs checking | Register and fill your profile; you can also write technical blog entries. | Off-topic promotional blog posts are downvoted or deleted. | Added 2026-11-01 | Open Codeforces submit page (new tab)Codeforces details |
| 53 | 48 | Codewars | 70 | Nofollow | codewars.com | Profiles and entities | Free | Quick | Later | Needs checking | Solve a kata to join, then add your site and social links to your profile. | Profiles are personal; promotional usernames are discouraged. | Added 2026-11-01 | Open Codewars submit page (new tab)Codewars details |
| 54 | 48 | Deezer Podcasts | 90 | Nofollow | deezer.com | Profiles and entities | Free | Quick | Later | Needs checking | Submit your podcast feed through the Deezer podcasters portal. | Availability varies by country; feed must be valid. | Added 2026-11-01 | Open Deezer Podcasts submit page (new tab)Deezer Podcasts details |
| 55 | 48 | Disqus | 90 | Nofollow | disqus.com | Profiles and entities | Free | Quick | Later | Needs checking | Set up a Disqus profile with your website so it shows next to your comments. | Comment spam leads to bans across all Disqus sites. | Added 2026-11-01 | Open Disqus submit page (new tab)Disqus details |
| 56 | 48 | Exercism | 70 | Nofollow | exercism.org | Profiles and entities | Free | Quick | Later | Needs checking | Make a public profile and add your website and GitHub. | Profiles are personal; spam mentoring comments are removed. | Added 2026-11-01 | Open Exercism submit page (new tab)Exercism details |
| 57 | 48 | Frontiers Loop | 90 | Nofollow | loop.frontiersin.org | Profiles and entities | Free | Quick | Later | Needs checking | Create a researcher profile with your publications and website. | Profiles are for real researchers; spam profiles are removed. | Added 2026-11-01 | Open Frontiers Loop submit page (new tab)Frontiers Loop details |
| 58 | 48 | HackerEarth | 80 | Nofollow | hackerearth.com | Profiles and entities | Free | Quick | Later | Needs checking | Set up your profile with skills, projects and a site link. | Fake or duplicate accounts are removed. | Added 2026-11-01 | Open HackerEarth submit page (new tab)HackerEarth details |
| 59 | 48 | HackerRank | 85 | Nofollow | hackerrank.com | Profiles and entities | Free | Quick | Later | Needs checking | Complete your developer profile, including a link to your site or portfolio. | One account per person; cheating or spam gets accounts closed. | Added 2026-11-01 | Open HackerRank submit page (new tab)HackerRank details |
| 60 | 48 | iHeart Podcasts | 90 | Nofollow | iheart.com | Profiles and entities | Free | Quick | Later | Needs checking | Submit your podcast RSS feed so it gets a show page. | Feed must be valid and follow content guidelines. | Added 2026-11-01 | Open iHeart Podcasts submit page (new tab)iHeart Podcasts details |
| 61 | 48 | LeetCode | 75 | Nofollow | leetcode.com | Profiles and entities | Free | Quick | Later | Needs checking | Fill in your profile and add your website and GitHub links. | Profile links are for your own sites; spam accounts are banned. | Added 2026-11-01 | Open LeetCode submit page (new tab)LeetCode details |
| 62 | 48 | Mastodon | 90 | Nofollow | mastodon.social | Profiles and entities | Free | Quick | Later | Not submitted | Create profile; share privacy-first tools in relevant communities. | Instance rules matter; avoid cross-post spam. | 2026-07-30 | Open Mastodon submit page (new tab)Mastodon details |
| 63 | 48 | Quora | 95 | Nofollow | quora.com | Profiles and entities | Free | Quick | Later | Not submitted | Answer relevant questions genuinely; profile links to your tool. | No link stuffing; answers must stand alone. | 2026-07-30 | Open Quora submit page (new tab)Quora details |
| 64 | 48 | Semantic Scholar | 85 | Nofollow | semanticscholar.org | Profiles and entities | Free | Quick | Later | Needs checking | Find your author page and claim it so you can add your homepage and fix your paper list. | Only for authors of published papers; claims are verified. | Added 2026-11-01 | Open Semantic Scholar submit page (new tab)Semantic Scholar details |
| 65 | 48 | Threads | 90 | Nofollow | threads.com | Profiles and entities | Free | Quick | Later | Not submitted | Post build updates and tool launches. | Brand/referral, not direct SEO. | 2026-07-30 | Open Threads submit page (new tab)Threads details |
| 66 | 48 | Topcoder | 75 | Nofollow | topcoder.com | Profiles and entities | Free | Quick | Later | Needs checking | Create a member profile with skills and links to your work. | One account per person; identity checks apply for paid work. | Added 2026-11-01 | Open Topcoder submit page (new tab)Topcoder details |
| 67 | 48 | TuneIn | 90 | Nofollow | tunein.com | Profiles and entities | Free | Quick | Later | Needs checking | Use their podcaster form to submit your show's RSS feed. | Review can take a while; feed must be public. | Added 2026-11-01 | Open TuneIn submit page (new tab)TuneIn details |
| 68 | 48 | Twitch | 95 | Nofollow | twitch.tv | Profiles and entities | Free | Quick | Later | Live, conditional | Host real build sessions or tool demos and add your tool to the channel About/social links. | An inactive link-only channel has little value; follow Twitch content and promotion rules. | 2026-08-03 | Open Twitch submit page (new tab)Twitch details |
| 69 | 46 | 99designs | 85 | Nofollow | 99designs.com | Profiles and entities | Free | Moderate | Later | Needs checking | Apply as a designer with a portfolio to get a public profile. | Applications are screened for skill level. | Added 2026-11-01 | Open 99designs submit page (new tab)99designs details |
| 70 | 46 | Arc.dev | 60 | Nofollow | arc.dev | Profiles and entities | Free | Moderate | Later | Needs checking | Build a developer profile with your experience and portfolio link. | Profiles go through vetting before being shown to companies. | Added 2026-11-01 | Open Arc.dev submit page (new tab)Arc.dev details |
| 71 | 46 | Bandcamp | 95 | Nofollow | bandcamp.com | Profiles and entities | Free | Moderate | Later | Needs checking | Create an artist or label page, upload your music and link your website. | Only music you own the rights to. | Added 2026-11-01 | Open Bandcamp submit page (new tab)Bandcamp details |
| 72 | 46 | Braintrust | 55 | Nofollow | usebraintrust.com | Profiles and entities | Free | Moderate | Later | Needs checking | Apply as talent and fill in your profile with skills and website. | Applications are screened; not everyone is accepted. | Added 2026-11-01 | Open Braintrust submit page (new tab)Braintrust details |
| 73 | 46 | Cults | 65 | Nofollow | cults3d.com | Profiles and entities | Free | Moderate | Later | Needs checking | Open a designer profile and upload free or paid 3D models. | Uploaded files must be your own designs. | Added 2026-11-01 | Open Cults submit page (new tab)Cults details |
| 74 | 46 | Fiverr | 95 | Nofollow | fiverr.com | Profiles and entities | Free | Moderate | Later | Needs checking | Create a seller profile and gigs that describe services you really offer. | External links in gigs and messages are restricted; follow their off-platform rules. | Added 2026-11-01 | Open Fiverr submit page (new tab)Fiverr details |
| 75 | 46 | Game Jolt | 75 | Nofollow | gamejolt.com | Profiles and entities | Free | Moderate | Later | Needs checking | Make a creator profile and publish your game with links to your site. | Content guidelines apply; empty game pages may be hidden. | Added 2026-11-01 | Open Game Jolt submit page (new tab)Game Jolt details |
| 76 | 46 | GIPHY | 95 | Nofollow | giphy.com | Profiles and entities | Free | Moderate | Later | Needs checking | Create a brand or artist channel, upload GIFs and apply for verification. | Unverified channels are not searchable; content is moderated. | Added 2026-11-01 | Open GIPHY submit page (new tab)GIPHY details |
| 77 | 46 | Newgrounds | 85 | Nofollow | newgrounds.com | Profiles and entities | Free | Moderate | Later | Needs checking | Post your own games, animation or music and add your site to your profile. | Submissions are voted on by the community; stolen work is removed. | Added 2026-11-01 | Open Newgrounds submit page (new tab)Newgrounds details |
| 78 | 46 | Odysee | 75 | Nofollow | odysee.com | Profiles and entities | Free | Moderate | Later | Needs checking | Make a channel and link your website in the about section and video descriptions. | Content rules still apply; spam channels are hidden. | Added 2026-11-01 | Open Odysee submit page (new tab)Odysee details |
| 79 | 46 | PeoplePerHour | 75 | Nofollow | peopleperhour.com | Profiles and entities | Free | Moderate | Later | Needs checking | Apply as a freelancer and set up your profile and service offers. | Profiles are reviewed; contact details outside the platform are restricted. | Added 2026-11-01 | Open PeoplePerHour submit page (new tab)PeoplePerHour details |
| 80 | 46 | Pexels | 90 | Nofollow | pexels.com | Profiles and entities | Free | Moderate | Later | Needs checking | Contribute your own photos or videos and link your site on your profile. | Every upload is reviewed; watermarks and logos are not allowed. | Added 2026-11-01 | Open Pexels submit page (new tab)Pexels details |
| 81 | 46 | Pixabay | 90 | Nofollow | pixabay.com | Profiles and entities | Free | Moderate | Later | Needs checking | Upload original images, vectors or videos and add a website link to your profile. | Strict review of uploads; repeated rejections can limit your account. | Added 2026-11-01 | Open Pixabay submit page (new tab)Pixabay details |
| 82 | 46 | Printables | 70 | Nofollow | printables.com | Profiles and entities | Free | Moderate | Later | Needs checking | Share original printable models and link your website in your profile. | Original work only; low-effort reposts are removed. | Added 2026-11-01 | Open Printables submit page (new tab)Printables details |
| 83 | 46 | Reedsy | 75 | Nofollow | reedsy.com | Profiles and entities | Free | Moderate | Later | Needs checking | Editors, designers and marketers can apply for a professional profile. | Applications are vetted; only experienced professionals are approved. | Added 2026-11-01 | Open Reedsy submit page (new tab)Reedsy details |
| 84 | 46 | Rumble | 90 | Nofollow | rumble.com | Profiles and entities | Free | Moderate | Later | Needs checking | Create a channel, upload videos and put your website in the channel description. | Only content you own; spam uploads are removed. | Added 2026-11-01 | Open Rumble submit page (new tab)Rumble details |
| 85 | 46 | Thingiverse | 85 | Nofollow | thingiverse.com | Profiles and entities | Free | Moderate | Later | Needs checking | Publish your own 3D models and add your site to your maker profile. | Only upload designs you own; spam uploads are removed. | Added 2026-11-01 | Open Thingiverse submit page (new tab)Thingiverse details |
| 86 | 46 | Unsplash | 90 | Nofollow | unsplash.com | Profiles and entities | Free | Moderate | Later | Needs checking | Join as a contributor, upload quality photos and add your website and socials. | Uploads are curated; low-quality or promotional images are hidden. | Added 2026-11-01 | Open Unsplash submit page (new tab)Unsplash details |
| 87 | 45 | 500px | 90 | Nofollow | 500px.com | Profiles and entities | Free + paid tier | Quick | Later | Needs checking | Upload your own photos and add your website to your profile. | Only your own photography; stolen work gets accounts banned. | Added 2026-11-01 | Open 500px submit page (new tab)500px details |
| 88 | 45 | Buy Me a Coffee | 90 | Nofollow | buymeacoffee.com | Profiles and entities | Free + paid tier | Quick | Later | Not submitted | Create support profile with your tool link. | Profile backlink/referral only. | 2026-07-30 | Open Buy Me a Coffee submit page (new tab)Buy Me a Coffee details |
| 89 | 45 | Gumroad | 90 | Nofollow | gumroad.com | Profiles and entities | Free + paid tier | Quick | Later | Not submitted | Offer free your tool cheatsheet/template linking site. | Must provide real downloadable asset. | 2026-07-30 | Open Gumroad submit page (new tab)Gumroad details |
| 90 | 45 | Guru | 80 | Nofollow | guru.com | Profiles and entities | Free + paid tier | Quick | Later | Needs checking | Create a freelancer profile with portfolio samples. | Contact info in public profiles is limited. | Added 2026-11-01 | Open Guru submit page (new tab)Guru details |
| 91 | 45 | Hack The Box | 70 | Nofollow | hackthebox.com | Profiles and entities | Free + paid tier | Quick | Later | Needs checking | Make a profile on the HTB platform and add your website. | Sharing flags or spoilers for active machines is banned. | Added 2026-11-01 | Open Hack The Box submit page (new tab)Hack The Box details |
| 92 | 45 | 95 | Nofollow | instagram.com | Profiles and entities | Free + paid tier | Quick | Later | Not submitted | Tool demos/reels with bio link. | Referral only; use Linktree/Bento for multiple links. | 2026-07-30 | Open Instagram submit page (new tab)Instagram details | |
| 93 | 45 | Linkin.bio by Later | 75 | Nofollow | later.com | Profiles and entities | Free + paid tier | Quick | Later | Needs checking | Create a Later account and build a link-in-bio page that points to your site. | Mainly built for Instagram and TikTok; inactive pages may be cleaned up. | Added 2026-11-01 | Open Linkin.bio by Later submit page (new tab)Linkin.bio by Later details |
| 94 | 45 | Lnk.Bio | 70 | Nofollow | lnk.bio | Profiles and entities | Free + paid tier | Quick | Later | Verified live | Build one your tool profile with a short description and curated links to the most useful tool pages. | Unlimited links are available, but avoid a bulk link dump; SEO value is not guaranteed. | 2026-08-04 | Open Lnk.Bio submit page (new tab)Lnk.Bio details |
| 95 | 45 | Notion | 90 | Nofollow | notion.so | Profiles and entities | Free + paid tier | Quick | Later | Not submitted | Create public resource hub: best free tools by use case. | Good for sharing; not a directory submission. | 2026-07-30 | Open Notion submit page (new tab)Notion details |
| 96 | 45 | ReverbNation | 90 | Nofollow | reverbnation.com | Profiles and entities | Free + paid tier | Quick | Later | Needs checking | Create a musician or band profile and link your official site. | Only for music artists, venues and industry pros. | Added 2026-11-01 | Open ReverbNation submit page (new tab)ReverbNation details |
| 97 | 45 | TikTok | 95 | Nofollow | tiktok.com | Profiles and entities | Free + paid tier | Quick | Later | Not submitted | Short demos of suspicious/privacy tools. | Profile link and referral; low SEO. | 2026-07-30 | Open TikTok submit page (new tab)TikTok details |
| 98 | 45 | TryHackMe | 70 | Nofollow | tryhackme.com | Profiles and entities | Free + paid tier | Quick | Later | Needs checking | Create a public profile and link your site or security blog. | Writeups for active rooms may break their rules. | Added 2026-11-01 | Open TryHackMe submit page (new tab)TryHackMe details |
| 99 | 45 | VSCO | 80 | Nofollow | vsco.co | Profiles and entities | Free + paid tier | Quick | Later | Needs checking | Make a VSCO profile and link your site in the bio. | Only post work you own. | Added 2026-11-01 | Open VSCO submit page (new tab)VSCO details |
| 100 | 43 | Bio Sites | 70 | Nofollow | bio.site | Profiles and entities | Free + paid tier | Moderate | Later | Verified live | Create a free your tool Bio Site and organize homepage, tool-category and social links for real visitors. | Use accurate branding and a small curated link set; primarily referral/navigation value. | 2026-08-04 | Open Bio Sites submit page (new tab)Bio Sites details |
Four steps that work for a new site, a SaaS or a side project. No paid link packages, nothing that risks a penalty.
Before submitting anywhere, have a one-line description, a 150-word description, a square logo and two or three screenshots ready. Every form asks for some mix of these.
Start with the free, quick rows: profile creation sites and free directories. They are one form each and build the entity signals search engines use to understand who you are.
Then pick a handful of high DA and dofollow sites that fit your niche, and write proper guest posts or launch posts for them. Ten relevant links beat a hundred random ones.
Note where you submitted and when. Recheck after a month, update stale descriptions, and never pay for bulk link packages: they put the whole site at risk.
Behind the list
Every row here starts as a line in a sheet, gets normalised into one of 16 groups, scored for cost, effort and impact, and written up with the steps to actually submit. The floor below represents that pipeline.
Open the sheet viewAn illustration of the AltF Backlinks floor: opportunities sourced at the back, vetted for cost and effort by the engineering pod, written up for outreach by the design pod, then tracked to placement along a line.
One-shot launches where timing and preparation decide the outcome.
Publications that accept contributed articles. Slow and editorial, but the links are earned.
Fast-growing listings specifically for AI-powered tools.
Extension, plugin and integration stores. Real review processes, real distribution.
Startup listings, beta lists and founder media.
General tool and software catalogues with real search traffic.
B2B review sites. Slow to approve, strong once live.
Package, image and docs hosting that carries real authority.
Showcases judged on craft. A good screenshot matters more than copy.
Write once, link back. Editorial standards vary widely.
Get quoted or distribute a release. Slower, higher ceiling.
Company and local listings. Unglamorous, consistently indexed.
Owned pages you control: company, founder, knowledge-panel entities.
Answer real questions. Never drop a bare link.
Brand surface and referral traffic more than link equity.
Everything that does not fit the buckets above.