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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.
Publish a real, documented your tool API, complete its Hub listing with accurate website and terms URLs, and optionally offer a free usage tier.
Register an authorized Indian business seller and list only real eligible your tool services with accurate catalogue details.
Publish your useful editor extension whose marketplace metadata links to its homepage and documentation.
Build your tool triggers/actions, submit them to the public registry by GitHub PR, and address review feedback.
Ask SelectHub to create or claim your profile and provide product capabilities, pricing, case studies, and customer proof.
Build your working automation Actor, publish it to the Store and include contextual project/documentation links.
Build your functional Joomla integration and submit a complete listing with an approved download route.
Build your tool actions as a Raycast extension and publish through the official GitHub PR workflow.
Build a functional privacy, accessibility or security add-on, publish it on Packagist and create its Marketplace product page.
Build a Homey app only if your tool adds a genuine IoT privacy or local-device workflow; package, test, validate, and submit it for certification.
Build your maintained Kong integration or plugin, then pursue the technology-partner path for possible Plugin Hub inclusion.
Onboard only when your tool is a mature, live and independently valuable service for the European research community, under a legal or hosting entity.
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.