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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.
Create your truthful /founder profile or content page and add the website link where allowed.
Mirror open-source embed SDK or examples with homepage link.
Create your truthful /founder profile or content page and add the website link where allowed.
Create business profile only if eligible with real business details.
Create brand/founder profile with verified links.
Publish a genuine browser or desktop your tool utility with screenshots, documentation and an official-site link.
Build your functional Joomla integration and submit a complete listing with an approved download route.
If the founder contributes to research or innovation, create an ORCID record and add your tool under public website and relevant work links.
Create your truthful /founder profile or content page and add the website link where allowed.
An eligible active researcher can publish genuine your tool studies, code or datasets and add the official website where appropriate.
Publish an original educational 3D asset connected to your real tutorial, with accurate credits and a contextual project link in the description.
Create your truthful /founder profile or content page and add the website link where allowed.
Build a real founder profile and answer narrowly relevant questions, linking to your resource only when it directly substantiates the answer.
Create your truthful /founder profile or content page and add the website link where allowed.
If your tool maker genuinely offers related services, add the project as a detailed portfolio item with role, outcomes, visuals, and permitted project links.
Create your truthful /founder profile or content page and add the website link where allowed.
Submit a tested your app for compatible Amazon devices with complete descriptions, support links, privacy details and store assets.
Submit your original -related technical paper and cite your tool only where it is genuinely the software or study subject.
Publish privacy/helper extension.
Deposit your genuine benchmark, evaluation dataset or reproducibility bundle with project URL in the description/metadata.
Publish your Android app through AppGallery Connect with official site, support and privacy URLs.
Archive your authentic release, manual or research artifact with accurate metadata and official source URL.
Create your truthful /founder profile or content page and add the website link where allowed.
Package your useful browser feature as an Opera extension and submit it for moderation.
Post to relevant subs with context: SideProject, SaaS, webdev.
Distribute your Android or Galaxy app and add its official website and support information.
Upload your original research-backed guide and reference relevant tools naturally in the document.
Create your truthful /founder profile or content page and add the website link where allowed.
Create a truthful author account and submit your substantive privacy, security or accessibility working paper with legitimate citations.
Ask the TechSpot team to add your app to the downloads section, with version notes.
Build your Trello Power-Up, register it, sign the developer agreement, and submit it.
Build and test your useful Visual Studio or Azure DevOps extension, then publish it with truthful homepage, repository and overview metadata.
Submit a validated manifest for an installable Windows release with PackageUrl, PublisherUrl and support metadata.
Create clean founder/product profile linking your tool.
Publish genuine authored your tool research and add matching project or supporting-material URLs in the paper metadata.
Claim or update your tool’s legal business record, website, address, phone, industry, and ownership details.
Claim or create your tool’s genuine business location and maintain its website, contact information, hours, and categories.
Use an authentic maker profile to publish your portfolio piece containing original images, article, code, video, or audio samples.
Upload a guide, report or catalog as a public publication and add your website to the profile and description.
Create your truthful /founder profile or content page and add the website link where allowed.
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.