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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 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.
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 your working automation Actor, publish it to the Store and include contextual project/documentation links.
Build a functional Jellyfin privacy, metadata-cleanup, or local-safety plugin with a maintained manifest repository, then propose its repository and documentation entry.
Build your functional Joomla integration and submit a complete listing with an approved download route.
Build a stable open-source RabbitMQ plugin for your legitimate security/privacy workflow and ask the RabbitMQ team to list it.
Build your tool actions as a Raycast extension and publish through the official GitHub PR workflow.
Build and upload a genuinely useful Vim privacy or secret-checking plugin with your tool documentation and a relevant project link.
Submit a tested your app for compatible Amazon devices with complete descriptions, support links, privacy details and store assets.
Build and openly maintain a Backstage plugin that gives platform teams your real workflow, then announce it through the community-plugins process and meet directory metadata requirements.
Upload a finished HTML5 game through the developer portal; it goes through a playtest phase before a full release, and the game page credits you as the developer.
Apply as a designer and publish an original template, icon pack or printable that genuinely complements your workflow.
Apply with a strong portfolio and sell your original -compatible template or design kit, using permitted shop branding and product documentation.
Build your Ecwid app, propose it, sign the partner agreement, and submit it for review with website and support links.
Publish privacy/helper extension.
Submit a mature graphical Linux your app with verified metadata, screenshots, homepage and source links.
Build an open-source FreeCAD privacy/metadata or document-cleanup workbench, add package.xml metadata, and submit it to the curated Addons index.
Publish a substantive Glide template for privacy-safe records, evidence organization, or accessibility audits and link its your tool documentation where permitted.
Create a narrowly useful GNOME Shell extension, provide metadata and homepage or source information, and submit it for review.
Ship a genuinely useful Gradle plugin for your developer check such as secret, licence, or configuration auditing; publish with your tool documentation and support URLs.
Build a GRASS GIS add-on for location anonymization, sensitive-zone generalization, or privacy-safe geospatial export, include docs and tests, then submit it to the official add-ons repository.
Create a useful Grav privacy or security plugin and request inclusion through the official repository issue process.
Publish your Android app through AppGallery Connect with official site, support and privacy URLs.
Apply as the actual designer and publish a manually designed, consistent privacy or accessibility icon pack with an accurate public author profile.
Publish a genuinely useful KDE or Plasma asset or integration with accurate project and homepage details.
Contribute a working collector or alert integration for measurable your tool service/privacy signals with metadata and documentation.
Contribute a functional privacy/security integration, dashboard or ingestion-to-visualization content pack through the OpenSearch Catalog workflow.
Package your useful browser feature as an Opera extension and submit it for moderation.
Develop an OJS/OMP/OPS plugin for a genuine accessibility, privacy or publication-validation workflow, release it with gallery metadata and submit through PKP's review flow.
Create your maintained exporter or native Prometheus metrics integration and submit it to the official exporters list.
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.
Join the vendor program and package your tool as a legitimate one-click app or supported SaaS add-on with documentation and website links.
Build a production-ready PrestaShop module or theme and submit its technical package, product page and support links.
Create a scoped ServiceNow application that performs your real workflow for selected records or attachments and submit it through the Store.
Package your privacy, file-safety, or accessibility assistant for a supported Autodesk product.
Build a secure Jenkins plugin that performs your real CI, privacy, or accessibility workflow; host it through Jenkins project infrastructure and publish maintained releases and documentation.
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.