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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.
Submit one released evaluator such as WCAG Quick Auditor with accurate standards, scope, license, release date, and accessibility-statement details.
Ship your real iOS or macOS app and add the product, support and privacy URLs in App Store Connect.
Publish a documented synthetic privacy, redaction, accessibility, or scam-detection benchmark dataset.
Build a Freshdesk or Freshservice app that deliberately sends selected ticket text to your PII or scam check and returns a transparent report.
Publish your genuine Android app and use the website, support and privacy-policy fields for official links.
Publish an Inkscape extension for SVG metadata cleanup, privacy inspection, or accessible-export checks.
Build a Mendix connector or module that invokes your tool on user-selected records or files and displays structured reports.
After becoming a genuine member, submit your tool as a completed web project with a plain factual description in MetaFilter Projects only.
Build an OBS privacy guard that detects exposed secrets or sensitive screen regions before streaming.
Build an ONLYOFFICE plugin for document redaction, metadata cleanup, or secret scanning.
Join as a small organization if your tool genuinely implements or contributes to OpenID, OAuth or related identity standards.
Offer a standalone, vendor-neutral security tool or documentation project with open governance and a committed leader, then submit the official new-project request.
Build a Sentry integration that detects PII or credentials before issue data is exported or shared.
Create a Zendesk app or marketing-only integration for selected-ticket PII and scam checks with your tool support and pricing links.
Build a Zoho extension for document privacy, text cleanup, or data-export checks and submit its support, policy, guide, and website links.
Build and document a real Adalo component library for your workflow and apply for marketplace publication.
Offer your tool as a documented SaaS or BYOL deployment for Alibaba Cloud customers with clear privacy controls and support.
Build your useful iOS or macOS app and submit complete support, privacy, accessibility and marketing metadata through App Store Connect.
Build an OAuth app that audits merchant exports or product assets for privacy issues, then submit tested listing assets through the Developer Portal.
Run a clearly disclosed campaign for your tool’s developer and security tools across relevant Changelog podcasts or newsletters.
Build a production Contentful app for your tool privacy or content checks and apply through the Marketplace submission flow.
Use a real writer or designer identity, add authored your tool work as a properly credited clip or case study, and include the personal website link in the profile.
Create a founder or product-design portfolio with your original case study and add the canonical site as an external menu link.
Build your public OAuth integration, gain qualifying installs, then submit setup docs plus support, privacy, and terms URLs.
Create a legitimate free or paid your tool resource or software product and publish it on a branded hosted storefront.
Apply as a General Member only if your tool will meaningfully contribute engineering or resources to open-source security.
Build a genuine Salesforce package or API solution for selected-record privacy or document checks and complete its company and listing profile.
Publish your genuine Android app with accurate support/privacy URLs, data-safety declarations, assets and compatible binary.
Submit a mature macOS, iOS, or web companion app that provides your privacy workflow and links to its official product documentation.
Build a Shopware admin extension for privacy and accessibility checks on selected catalog content, media, and exports.
Build a SketchUp extension for model metadata sanitization or accessibility-ready export checks.
Build and test a Snowflake Native App for privacy-safe data inspection, create its application package and listing, pass scans, and publish through an eligible provider account.
Build a Stripe app that sends selected non-sensitive invoice or export data to your clearly scoped audit and publish complete documentation.
Build your VTEX IO storefront or admin privacy utility, define billing, and submit it for homologation.
Publish a secure one-click self-hosted your tool image or cloud-init deployment with documentation and support.
Submit your tool web design if premium/polished.
Submit site for CSS/design award.
Apply only after your tool operates a genuine OA scholarly-book publishing program, then submit peer-reviewed privacy-tech books.
Submit data underlying your legitimate -related research paper and include related software/project identifiers.
List a website, app or online business for sale with verified data.
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.