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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.
Contact them to have your Windows or Mac software added to the catalogue.
Send your Windows or Mac software for review via their submission or contact page.
Request writer access for the publication and submit engineering, cloud or DevOps articles via Medium.
Apply to become a writer for the In Plain English publications and submit clear programming tutorials.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Add your Mac app and keep version updates current so users get notified.
Submit your Windows utility with a PAD file or download link for editorial review.
If you blog about PostgreSQL, register your feed so your Postgres posts are syndicated on the planet.
Ask to have your Python-tagged blog feed added so your Python posts appear on the aggregator.
Join the community and submit product management articles to the publication on Medium.
Submit freeware or shareware for Windows via their author submission page.
A good fit for IT and admin tools: answer IT pro questions and fill in your vendor or personal profile.
Ask the TechSpot team to add your app to the downloads section, with version notes.
Submit your AI-powered app with screenshots and a link to a working demo.
Upload a guide, report or catalog as a public publication and add your website to the profile and description.
Post p5.js or Processing sketches publicly and fill in your profile with a link to your site or the full experiment.
Claim your company page and invite real customers to leave reviews.
Add your startup and post a real opening so your company page with website link goes live.
Create/claim startup profile for global startup map.
Create your truthful /founder profile or content page and add the website link where allowed.
Submit your AI tool to the directory run alongside a large AI newsletter.
Create your truthful /founder profile or content page and add the website link where allowed.
Submit/claim software alternative listing if available.
Apply to write for the site, then pick topics from their list and write focused Java, Spring or Kotlin tutorials.
Request a free business profile for your registered company; accreditation is a separate paid option.
Apply to the contributor program from the site and pitch practical advice for small and midsize business owners.
Apply to the publication's expert contributor network if you are a senior IT practitioner and propose a regular column topic.
Find the blog contribution guidelines on the site and pitch an actionable content strategy article backed by your experience.
Submit a finished, open web experiment that uses Google technologies (Chrome, WebGL, AI, AR) for their showcase; featured projects link to the live site and the creator.
Pitch a founder interview about how you built and grew your product, with honest numbers and lessons.
Sign up as a source and answer reporter queries in your area with short, quotable expert responses.
Enter the yearly competition with a web game that fits in 13 kB zipped; each entry gets a page linking to your source and profile.
Follow the submission page instructions and send an original data science, machine learning or AI tutorial.
Submit landing page for inspiration gallery.
Submit your tool homepage/category landing page.
Submit your tool landing/category page.
Look for the article submission guidelines and send a finished draft on a practical B2B or digital marketing topic.
Apply through the contributor program (shared with Search Engine Land) and pitch an article on marketing operations, data or tooling.
Claim or add the real business page, enter the official website, and publish only accurate service and location details.
Publish your product or developer docs from a Git repo on the free tier and link to your site from the docs.
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.