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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.
If your tool maker genuinely offers related services, add the project as a detailed portfolio item with role, outcomes, visuals, and permitted project links.
Submit a tested your app for compatible Amazon devices with complete descriptions, support links, privacy details and store assets.
Submit your original -related technical paper and cite your tool only where it is genuinely the software or study subject.
Submit a mature graphical Linux your app with verified metadata, screenshots, homepage and source links.
Create a substantive public tutorial or implementation note that uses your tool and includes a contextual source/product link.
Publish your Android app through AppGallery Connect with official site, support and privacy URLs.
Archive your authentic release, manual or research artifact with accurate metadata and official source URL.
Create your genuine study, reproducibility project or benchmark workspace with project links and public materials.
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 your Trello Power-Up, register it, sign the developer agreement, and submit it.
Build and test your useful Visual Studio or Azure DevOps extension, then publish it with truthful homepage, repository and overview metadata.
Publish genuine authored your tool research and add matching project or supporting-material URLs in the paper metadata.
Use an authentic maker profile to publish your portfolio piece containing original images, article, code, video, or audio samples.
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.
Package your tool developer/security utilities as a compatible JetBrains plugin and upload it.
Run a genuine privacy, online-tools or accessibility community and reference your tool only where it supports the group or event.
Build a legitimate Ring-device privacy/security integration, register, test, certify and publish it.
Upload a useful original presentation on privacy, accessibility, or tool workflows with your natural reference.
Publish your original guide or annual privacy report and add useful contextual website links through the Hotspot Editor.
Build your useful iOS or macOS app and submit complete support, privacy, accessibility and marketing metadata through App Store Connect.
Create a legitimate free or paid your tool resource or software product and publish it on a branded hosted storefront.
Publish your genuine Android app with accurate support/privacy URLs, data-safety declarations, assets and compatible binary.
Publish original your tool UI/illustration work, then add the official website in the profile bio.
Host real build sessions or tool demos and add your tool to the channel About/social links.
Create a genuine audio profile, add the website link and publish useful demo or education tracks.
Publish an original tool/privacy show and place contextual your tool links in HTTPS show notes.
Publish genuine demo videos and add your tool to the approved creator profile website field.
Use only if your tool has a genuine creator offer, guide or service; complete the storefront and connect relevant site pages.
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.