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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 table functions that import, normalize and query your tool report JSON or NDJSON with typed findings, then submit the extension descriptor for central build and distribution.
Prepare and test a policy-compliant ebuild for your stable CLI, including accurate HOMEPAGE and source metadata, then work with a Gentoo developer or proxy maintainer for repository inclusion.
Build a production-grade Camel component for your tool APIs and propose it upstream with generated component docs and tests.
Open-source a relevant geoscience model or component, complete the model questionnaire, and provide its code archive for CSDMS testing.
Create a policy-compliant Debian package for your stable useful CLI, file the appropriate intent-to-package request, include accurate upstream metadata and secure a Debian sponsor for upload.
Create and thoroughly test a FreeBSD port for your stable CLI or desktop utility, include its canonical project website in WWW metadata and submit the patch through FreeBSD Bugzilla.
Package your stable cross-platform CLI for pkgsrc, test it with pkglint and supported builds, include the canonical homepage, then submit via pkgsrc-wip or NetBSD's package bug tracker.
Build your OpenWrt-compatible service or utility for a real router/privacy/security workflow, add correct package metadata and tests, then submit it to the official feed.
Publish an original benchmark or evaluation study of local-first privacy or security tooling with open code, data, and your tool implementation.
If your tool produces a research-grade R package, submit a presubmission inquiry and the package for open review.
Build a real ROS package for your robotics/privacy/safety workflow, release it through rosdistro and expose maintained README, documentation and source links in ROS Index.
Publish your substantive privacy template, workbook, or creator resource with a complete description, original previews, and accurate licensing.
Create your business profile only if it genuinely operates in the United States or Canada and can be verified there.
Build one your tool profile with a short description and curated links to the most useful tool pages.
Claim your tool’s genuine operating location only if the business is eligible, then add accurate website and contact information.
Create your free Bio Site and organize homepage, tool-category and social links for real visitors.
Add or claim your tool only if it has a genuine US business presence, then verify the website and business details.
Create a free page only for your genuine local office or service area and add accurate story, categories, website, and contact data.
Upload an unpublished evaluation study or research poster about your privacy or accessibility method with supporting code and data.
Create one branded Taplink page and add a curated set of your tool product, category and contact links.
List your genuine paid B2B product or service, complete the company profile, and provide accurate seller documentation.
Develop a maintained Zabbix template/integration for your tool and apply for Integration Partner review and Marketplace visibility.
Apply as Associate or full Member only after operating a credible incident-response team/program and completing sponsorship/review.
Apply only after your tool operates a genuine OA scholarly-book publishing program, then submit peer-reviewed privacy-tech books.
Join only to contribute substantively to relevant security or privacy technical committees and use approved organization metadata.
After releasing meaningful OSI-licensed code, consider sponsorship only when supporting OSI aligns with your tool strategy.
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.