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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.
Build your Forge-based integration for Jira or Confluence, create a Marketplace Partner profile, and submit a compliant public listing.
Submit a sharp founder-authored opinion based on real privacy or security evidence discovered while building your tool.
Publish your real privacy, redaction, or local-AI demo Space and add your canonical URL in its README/metadata.
Publish a real, documented your tool API, complete its Hub listing with accurate website and terms URLs, and optionally offer a free usage tier.
Build a useful Coda Pack that connects to your tool functionality and publish it to the Gallery with documentation and support links.
Create the founder or studio portfolio and publish your tool as a detailed product case study with the live project link.
Create/claim company profile linking your tool/Anslation.
Host your genuine privacy/tool workshop or webinar; add your tool in the organizer website field and useful event description.
Create your verified listing with Indian phone, address, category, hours, website, social links, and product or service details.
Submit your real public MCP server repository with correct name, install steps and configuration details.
Publish an original interactive notebook showing transparent your tool benchmark, privacy, performance, or tool-usage data and cite your relevant pages.
Build and document your Odoo module, register its repository, and upload a maintained free or paid listing.
Create an accessible, openly licensed handbook or course text with structured chapters, exercises, citations, and relevant links, then make the webbook public for directory discovery.
Create expert/source profile for media coverage requests.
List your tool as productivity/developer/startup resource.
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.
Submit your AI tool with category, pricing and a clear one-line description.
Sign up then submit/claim AI tool listing.
Create visual link hub for your tool categories.
Register a real bioimage privacy, de-identification, or analysis tool with accurate scientific functions, documentation, and maintainers.
Create a useful public learning list with annotations about privacy, accessibility, and scam prevention, placing relevant your tool resources beside independent references.
Claim or update your tool’s legal business record, website, address, phone, industry, and ownership details.
Create your accurate company profile and list only real software or digital services with the canonical website.
Submit if reciprocal-link policy is acceptable or use paid tier.
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.
Submit your AI-powered app with screenshots and a link to a working demo.
Create your company profile with product, team, traction, and website information.
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.
Create your tool link hub for top pages.
Post p5.js or Processing sketches publicly and fill in your profile with a link to your site or the full experiment.
Create your public repository and distribute real signed DEB, RPM, npm, Maven, Helm or other supported packages with accurate metadata.
Create boards for PDF/image/calculator tools linking pages.
Claim your company page and invite real customers to leave reviews.
Contact the curator with your maintained self-hostable edition, repository, documentation and project website.
List software in relevant category.
Create software listing/vendor profile.
Host your useful open-source SDK, CLI or example project with documentation and a canonical homepage link.
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.