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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 add-on for Drive, Docs, Sheets, Gmail, or another Workspace product and publish it.
Register in Partner Center and publish your SaaS or Microsoft-integrated offer.
Build your production-ready Slack app for safe file/text utilities, then submit it from the app configuration page for Marketplace review.
Build your real Shopify-facing utility, complete its public listing, test it on a development store, and submit it for App Store review.
Create a vendor portal account and request your tool under the closest eligible Gartner market category.
Build your redaction, accessibility, image, or privacy add-on and submit its public listing.
Build an OAuth Asana component that launches your audit or attaches a generated report, then submit complete company and support details.
Build a Canva app that sends chosen design assets to your accessibility, metadata, or privacy check and returns useful results inside Canva.
Build your useful privacy-preserving extension, submit a signed build, and provide honest homepage, permissions and privacy disclosures.
Join the partner platform and create your secure service with genuinely useful triggers, queries, and actions, pass endpoint tests and review, then publish helpful Applets for real user workflows.
Build an Intercom app for intentional conversation privacy scanning or sanitized export generation and include your clear install or learn-more URL.
Build and host a useful Jotform widget, register it with full documentation and send it for approval.
Build and test a Netlify extension, publish it publicly, then submit it for review and directory listing.
Build a useful Splunk app or add-on for legitimate your tool security, audit, or operational data; package it with clear documentation, icons, screenshots, release metadata, and support details.
Build a polished Unity editor utility or SDK for your relevant service and submit it with demos, documentation and support details.
Build your Vercel integration, distribute its page, gain adoption, then apply for Marketplace visibility.
Build a minimal-scope Zoom app that sends selected meeting content to your explicit privacy or redaction workflow and links its support, privacy, and documentation pages.
Build and upload your useful IntelliJ-platform plugin with vendor, license, source, support and compatibility links.
Create a monday app that runs selected board exports through your privacy, accessibility, or reporting workflow and provides documented results.
Ship your real iOS or macOS app and add the product, support and privacy URLs in App Store Connect.
Publish your genuine Android app and use the website, support and privacy-policy fields for official links.
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.
Submit a tested your app for compatible Amazon devices with complete descriptions, support links, privacy details and store assets.
Publish privacy/helper extension.
Publish your Android app through AppGallery Connect with official site, support and privacy URLs.
Package your useful browser feature as an Opera extension and submit it for moderation.
Distribute your Android or Galaxy app and add its official website and support information.
Build and test your useful Visual Studio or Azure DevOps extension, then publish it with truthful homepage, repository and overview metadata.
Package your privacy, file-safety, or accessibility assistant for a supported Autodesk product.
Package your tool developer/security utilities as a compatible JetBrains plugin and upload it.
Build a legitimate Ring-device privacy/security integration, register, test, certify and publish it.
Create a defensive Studio plugin for script-secret scanning, permission review, or asset-safety checks.
Build a real Heroku add-on or qualifying open-source buildpack and progress it through the partner release stages.
Package a supported OCI-hosted or deployable your tool edition, or a genuine Oracle integration, and create a documented publisher listing.
Develop your real SAP-integrated solution, onboard it through SAP Solution Hub, and provide website, technical, support, and commercial information.
Develop a production-grade WooCommerce extension for privacy-safe exports or media cleanup and submit it through an approved vendor account.
Build your useful iOS or macOS app and submit complete support, privacy, accessibility and marketing metadata through App Store Connect.
Build your public OAuth integration, gain qualifying installs, then submit setup docs plus support, privacy, and terms URLs.
Build a genuine Salesforce package or API solution for selected-record privacy or document checks and complete its company and listing profile.
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.