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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.
Apply to write for the site, then pick topics from their list and write focused Java, Spring or Kotlin tutorials.
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.
Create a founder or editor portfolio and add a small selection of substantial your tool guides and externally published articles.
Propose a vendor-neutral, reproducible cloud-native security tutorial or case study, then write it in Markdown and submit the draft by pull request after community discussion.
Find the blog contribution guidelines on the site and pitch an actionable content strategy article backed by your experience.
Pitch an original evidence-backed privacy, scam, or cyber advisory based on genuine your tool research.
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.
Publish a detailed hardware or IoT project that genuinely uses your tool, with code, parts, instructions and an external tutorial link where useful.
Sign up as a source and answer reporter queries in your area with short, quotable expert responses.
Post technical/product story with canonical link.
Publish a mature open-source interoperability or public-administration solution with documentation, releases, licence, and owner metadata.
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.
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.
Submit your polished landing/tool UI with clean screenshots and design credits.
Pitch an article on API design, security or strategy; the team also works with paid freelance writers.
Submit useful your tool-related talks to relevant CFPs or run a genuine community CFP with a public event page.
Publish a clinical-data de-identification or quality tool with source, installation steps, dependencies, documentation, and tests.
Submit an educational, non-sales session on privacy-safe tooling or accessible creator workflows when the next CFP opens.
Share a playable build of your web game with the Poki developer team; selected games are published with a developer credit.
Contribute a generalized privacy-by-design pattern derived from your tool experience, with problem, context, forces, and solution.
Submit a reusable open-source React component extracted from your tool with repository, demo, setup docs and screenshots.
Document your real implementation of a named RDA recommendation with challenge, measurable outcome, lessons, and supporting resources.
Contact the editors with a pitch for a guest view on software development practices or industry trends.
Look for the guest posting guidelines on the blog and pitch an SEO or PPC topic with real examples.
Create a developer portfolio and publish your original build story or project showcase.
Read the contributor guidelines linked from the site and pitch an original how-to for small business owners.
Review the writer guidelines and pitch a detailed, step-by-step social media tactic you have actually used.
Submit your 100-plus-word startup story for editorial consideration.
Pitch original your tool security research, a defensible dataset or timely threat analysis.
Read the writer guidelines on the site and submit a well-researched data science or ML article with code or results.
Publish your design article on Medium, then submit it to the publication following their submission instructions.
If your organisation or product meets notability rules, create an item with official website and sourced statements.
Pitch your tool founder/product story.
Submit product for review/listing.
Pitch/write article about privacy-first browser tools.
Test one legitimate product-news release, then use paid tiers only if referral or discovery value is measurable.
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.