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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.
Software or app development firms can request a company profile.
List your genuine paid B2B product or service, complete the company profile, and provide accurate seller documentation.
List an operational CSIRT, CERT, SOC, ISAC or PSIRT after securing sponsors and passing the community-vote process.
Contact the editors with a proposal for an in-depth UX article or column based on your professional experience.
Submit well-designed your tool pages.
Set up a store for software, communities or digital products and link your site.
Write or improve a how-to article where you have real expertise, and cite sources properly.
Claim or add your US business with the same name, address and phone you use everywhere else.
Claim a free basic listing for your Australian business.
Add your Canadian business for free and keep the details in line with your other citations.
Submit or request app review/listing.
Submit AI tool listing.
Submit AI tool listing.
Publish genuine demo videos and add your tool to the approved creator profile website field.
Submit AI tool listing.
If your component is built with or for a public body, publish a standards self-assessment and pursue stewardship/assessment.
Pitch tutorial/resource if your tool helps no-code makers.
Submit app/product design if they accept.
Submit/request inclusion if UI is strong.
Submit your tool if no-code resource/tool fit.
Submit product if launch flow exists.
Submit UI screenshots if accepted.
Develop a maintained Zabbix template/integration for your tool and apply for Integration Partner review and Marketplace visibility.
Submit/pitch startup listing or story.
Become an author and sell scripts or plugins, linking your site from your profile.
Publish/pitch dev-tool article if accepted.
Sell game, 3D or Unreal assets as a seller and link your studio site.
Publish legitimate product/company announcement.
Publish/pitch design/dev article linking your tool.
Create profile/comment or pitch startup article.
Join as a vendor and sell templates or plugins with a vendor profile.
Sell website themes or templates as an author with a profile link to your site.
Apply as an author to sell UI kits or design resources.
Submit startup for coverage/listing.
Submit AI tool listing/review.
Pitch/list AI tools if accepted.
Email the directory team to request your profile for its genuine accessibility tools.
Consider only after your tool has a substantial AI feature and the directory offers business value beyond a link.
Publish a simple blog by syncing a folder of text or Markdown files, and link to your own projects.
Consider only after your tool becomes a substantive cloud or AI security vendor and can participate in CSA programs.
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.