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A maintained list of 1,432 directories, launch platforms, registries and marketplaces that accept product submissions. 1,134 of them are free or have a free tier, and 192 are quick wins — free, low effort, and worth doing first. Every row shows cost, effort and priority, and links straight to the submission page.
The table is wider than the screen — swipe it sideways for cost, effort and the preparation notes.
| # | Impact (sorted) | Site — sort by this | Domain | Type | Cost | Effort — sort by this | Priority | Status | What to prepare | Rules / caveat | Checked | Actions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 88 | W3C Web Accessibility Evaluation Tools List | w3.org | Software directories | Paid | Moderate | Do first | Verified live | Submit one released evaluator such as WCAG Quick Auditor with accurate standards, scope, license, release date, and accessibility-statement details. | Must actually evaluate digital accessibility or simulate user experience; remediation tools, checklists, assistive technology, and best-practice pages are excluded. W3C reviews submissions in roughly 2–4 weeks and listing never implies endorsement. | 2026-08-03 | Open W3C Web Accessibility Evaluation Tools List submit page (new tab)W3C Web Accessibility Evaluation Tools List details |
| 2 | 85 | Black Hat Arsenal | blackhat.com | Software directories | Paid | Involved | Do first | Not submitted | Prepare a focused open-source defensive tool with English documentation, reproducible demos, and a technical presenter, then submit to the next relevant Arsenal Call for Tools. | Arsenal is selected by a review board and demonstrations must focus on the submitted open-source tool. Product pitches, upsells, unrelated company branding, and closed-source marketing demos are prohibited. Europe 2026 submissions closed 2026-07-19. | 2026-08-03 | Open Black Hat Arsenal submit page (new tab)Black Hat Arsenal details |
| 3 | 74 | OWASP Foundation Projects | owasp.org | Software directories | Paid | Moderate | High | Live, conditional | Offer a standalone, vendor-neutral security tool or documentation project with open governance and a committed leader, then submit the official new-project request. | OWASP projects must be genuinely open source and maintained as community projects; approval is required, official source hosting is mandated, and the project page must be created within the stated onboarding period. Do not submit a branded sales funnel. | 2026-08-03 | Open OWASP Foundation Projects submit page (new tab)OWASP Foundation Projects details |
| 4 | 71 | SaaSGenius | saasgenius.com | Software directories | Paid | Involved | High | Verified live | Submit your tool as a production SaaS and request a reviewed product profile. | No B2C-only, alpha/beta, standalone mobile-only, or products without US customers. | https://www.saasgenius.com/get-listed/ | Open SaaSGenius submit page (new tab)SaaSGenius details |
| 5 | 56 | Journal of Open Research Software | openresearchsoftware.metajnl.com | Software directories | Paid | Moderate | Medium | Verified live | Open-source a reusable research-focused your tool component, archive it with a persistent identifier, and submit a software metapaper with project/code links. | Software must be openly licensed, public, usable, documented, archived and relevant to research; metapaper and software undergo peer review. | 2026-08-05 — https://openresearchsoftware.metajnl.com/about/submissions | Open Journal of Open Research Software submit page (new tab)Journal of Open Research Software details |
| 6 | 53 | Journal of Statistical Software | jstatsoft.org | Software directories | Paid | Involved | Medium | Verified live | Develop an open statistical/privacy-analysis component, then submit a reproducible English LaTeX software paper linking its code and your tool project page. | Only statistical-computing software with publishable scholarly value; authors must supply software/replication material and handle strict formatting and peer review. | 2026-08-05 — https://www.jstatsoft.org/authors | Open Journal of Statistical Software submit page (new tab)Journal of Statistical Software details |
| 7 | 53 | RO-Crate Community Blog | researchobject.org | Software directories | Paid | Involved | Medium | Verified live | Build a genuine RO-Crate validator or privacy linter and submit a technical developer article using the official blog template. | Article must concern practical RO-Crate use or tooling; editorial acceptance is required and product-only promotion is unsuitable. | Official RO-Crate blog contribution announcement checked 2026-08-05 | Open RO-Crate Community Blog submit page (new tab)RO-Crate Community Blog details |
| 8 | 36 | SubmitSaaS | submitsaas.com | Software directories | Paid | Moderate | Later | Needs checking | Use only if outsourcing manual directory submissions. | Vet quality; avoid low-quality guaranteed-link spam. | 2026-07-30 | Open SubmitSaaS submit page (new tab)SubmitSaaS details |
Behind the list
Every row here starts as a line in a sheet, gets normalised into one of 15 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.
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.