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 | 98 | e27 | 70 | Sometimes dofollow | e27.co | Startup directories | Free | Moderate | Do first | Not submitted | Create your tool company profile with accurate product, team, media, and website details, then submit it for verification. | Profiles are manually verified; agencies, consulting, non-tech, and pure software-development service companies are prohibited. | 2026-08-03 | Open e27 submit page (new tab)e27 details |
| 2 | 65 | Startup.jobs | 60 | Sometimes dofollow | startup.jobs | Startup directories | Free + paid tier | Quick | Medium | Needs checking | Add your startup and post a real opening so your company page with website link goes live. | Listings must be genuine roles at a startup; stale posts expire. | Added 2026-11-01 | Open Startup.jobs submit page (new tab)Startup.jobs details |
| 3 | 63 | BetaPage | 50 | Sometimes dofollow | betapage.co | Startup directories | Free + paid tier | Moderate | Medium | Not submitted | Submit product for startup discovery listing. | Check approval and category fit. | 2026-07-30 | Open BetaPage submit page (new tab)BetaPage details |
| 4 | 63 | Failory | 55 | Sometimes dofollow | failory.com | Startup directories | Free | Involved | Medium | Needs checking | Pitch a founder interview about how you built and grew your product, with honest numbers and lessons. | They favour detailed, candid stories; generic promo pitches are ignored. | Added 2026-11-01 | Open Failory submit page (new tab)Failory details |
| 5 | 63 | YourStory | 85 | Sometimes dofollow | yourstory.com | Startup directories | Free | Involved | Medium | Needs checking | Pitch your tool founder/product story. | India fit; needs strong story/data. | 2026-07-30 | Open YourStory submit page (new tab)YourStory details |
| 6 | 46 | BetaKit | 65 | Sometimes dofollow | betakit.com | Startup directories | Free | Moderate | Later | Needs checking | Canadian startups can send launch, funding or growth news to the editorial team. | Canada-focused; editors decide what runs. | Added 2026-11-01 | Open BetaKit submit page (new tab)BetaKit details |
| 7 | 46 | KillerStartups | 60 | Sometimes dofollow | killerstartups.com | Startup directories | Free | Moderate | Later | Needs checking | Submit your tool for startup feature/review. | Older media; verify current submission. | 2026-07-30 | Open KillerStartups submit page (new tab)KillerStartups details |
| 8 | 46 | Silicon Canals | 60 | Sometimes dofollow | siliconcanals.com | Startup directories | Free | Moderate | Later | Needs checking | Send funding, launch or milestone news if you are a European startup. | Only genuinely newsworthy items are covered. | Added 2026-11-01 | Open Silicon Canals submit page (new tab)Silicon Canals details |
| 9 | 45 | The Hub | 55 | Sometimes dofollow | thehub.io | Startup directories | Free + paid tier | Quick | Later | Needs checking | If you are a Nordic startup, create a company profile and post roles to appear in their startup directory. | Aimed at startups based in the Nordics. | Added 2026-11-01 | Open The Hub submit page (new tab)The Hub details |
| 10 | 43 | 36Kr | 75 | Sometimes dofollow | 36kr.com | Startup directories | Free | Involved | Later | Needs checking | If you target China, submit your project through their startup coverage request with Chinese-language materials. | Editorial selection; relevant mainly for China-facing products. | Added 2026-11-01 | Open 36Kr submit page (new tab)36Kr details |
| 11 | 43 | EU-Startups | 70 | Sometimes dofollow | eu-startups.com | Startup directories | Free | Involved | Later | Needs checking | Pitch if EU/startup angle exists. | Geography fit needed. | 2026-07-30 | Open EU-Startups submit page (new tab)EU-Startups details |
| 12 | 43 | Inc42 | 75 | Sometimes dofollow | inc42.com | Startup directories | Free | Involved | Later | Needs checking | Pitch if there is funding/traction/product news. | High bar; no generic backlink ask. | 2026-07-30 | Open Inc42 submit page (new tab)Inc42 details |
| 13 | 43 | Starter Story | 70 | Sometimes dofollow | starterstory.com | Startup directories | Free | Involved | Later | Needs checking | Pitch founder story if revenue/traffic story is strong. | Often paid; needs real metrics. | 2026-07-30 | Open Starter Story submit page (new tab)Starter Story details |
| 14 | 43 | StartupTalky | 55 | Sometimes dofollow | startuptalky.com | Startup directories | Free + paid tier | Moderate | Later | Needs checking | Submit your startup story with founding background, product and traction details. | Editorial review applies; some featured options are paid. | Added 2026-11-01 | Open StartupTalky submit page (new tab)StartupTalky details |
| 15 | 43 | Tech.eu | 65 | Sometimes dofollow | tech.eu | Startup directories | Free + paid tier | Moderate | Later | Needs checking | Email funding or acquisition news with key facts and a press kit. | Coverage focuses on European funding rounds and exits. | Added 2026-11-01 | Open Tech.eu submit page (new tab)Tech.eu details |
| 16 | 40 | AllTopStartups | 50 | Sometimes dofollow | alltopstartups.com | Startup directories | Free + paid tier | Involved | Later | Needs checking | Submit/pitch startup listing or story. | Editorial quality; no link-drop. | 2026-07-30 | Open AllTopStartups submit page (new tab)AllTopStartups details |
| 17 | 40 | StartupNation | 65 | Sometimes dofollow | startupnation.com | Startup directories | Free + paid tier | Involved | Later | Needs checking | Create profile/comment or pitch startup article. | Useful content required. | 2026-07-30 | Open StartupNation submit page (new tab)StartupNation details |
| 18 | 40 | Webrazzi | 70 | Sometimes dofollow | webrazzi.com | Startup directories | Free + paid tier | Involved | Later | Needs checking | Submit startup for coverage/listing. | Regional/media; pitch quality matters. | 2026-07-30 | Open Webrazzi submit page (new tab)Webrazzi details |
| 19 | 38 | Cloud Security Alliance | 80 | Sometimes dofollow | cloudsecurityalliance.org | Startup directories | Paid | Quick | Later | Live, conditional | Consider only after your tool becomes a substantive cloud or AI security vendor and can participate in CSA programs. | Commercial membership, not a backlink purchase; directory placement does not equal certification or product endorsement. | 2026-08-05 official Startup Membership Agreement | Open Cloud Security Alliance submit page (new tab)Cloud Security Alliance 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.