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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 | 86 | Activepieces Community Pieces | activepieces.com | Communities and forums | Free | Quick | High | Not submitted | Build and test a useful your tool piece with real actions, publish the package under a unique organization scope, and maintain version compatibility. | Users install community pieces through My Pieces; package publication alone does not guarantee central-directory promotion or a followed backlink. | 2026-08-03 | Open Activepieces Community Pieces submit page (new tab)Activepieces Community Pieces details |
| 2 | 84 | Cloudron Community Apps | cloudron.io | Communities and forums | Free | Moderate | High | Verified live | Package a secure self-hosted your app for Cloudron, publish its version catalog and documentation, then request inclusion in Community Apps. | Must support Cloudron's read-only filesystem, backups, updates, health checks, manifest fields, and publicly hosted version catalog; community apps are not reviewed by Cloudron. | Official Cloudron packaging and publishing documentation checked 2026-08-05 | Open Cloudron Community Apps submit page (new tab)Cloudron Community Apps details |
| 3 | 84 | ethical.net | ethical.net | Communities and forums | Free | Moderate | High | Verified live | Submit your tool only with concrete evidence of privacy-first operation, local processing, transparent data practices, accessibility, and useful free resources. | Disclose the relationship, provide evidence, avoid unsupported ethical claims or promotional link drops, and let the community evaluate it. | Official Ethical.net directory suggestion thread checked 2026-08-07 | Open ethical.net submit page (new tab)ethical.net details |
| 4 | 84 | Hackaday.io | hackaday.io | Communities and forums | Free | Moderate | High | Verified live | Document a real hardware, privacy or security build that uses your tool, including schematics, progress logs and a natural official-project link. | Projects should document genuine work and follow community conduct; advertising-only pages and repetitive link posts are inappropriate. | 2026-08-03 | Open Hackaday.io submit page (new tab)Hackaday.io details |
| 5 | 84 | Kaggle | kaggle.com | Communities and forums | Free | Moderate | High | Live, conditional | Publish a clean your tool benchmark or open dataset plus a reproducible notebook, with proper licensing and the canonical project URL in the data card. | Only publish useful non-sensitive data/code; remove secrets and PII, document methodology, choose a valid license, and avoid promotional-only datasets. | https://www.kaggle.com/datasets | Open Kaggle submit page (new tab)Kaggle details |
| 6 | 84 | Slant | slant.co | Communities and forums | Free | Moderate | High | Needs checking | Find an existing question where a specific your tool utility is a genuine option, add it accurately, and document balanced pros and cons. | Never create fake recommendations or coordinate votes; add only a relevant product and disclose the relationship when participating. | 2026-08-03 | Open Slant submit page (new tab)Slant details |
| 7 | 84 | Streamlit Community Cloud | streamlit.io | Communities and forums | Free | Moderate | High | Verified live | Deploy an educational your tool data or AI demo from a public GitHub repository and include a useful link to the full tool or documentation. | The app must work independently, protect secrets and comply with resource limits; do not create a doorway page solely for a backlink. | 2026-08-03 | Open Streamlit Community Cloud submit page (new tab)Streamlit Community Cloud details |
| 8 | 84 | Windmill Hub | windmill.dev | Communities and forums | Free | Moderate | High | Verified live | Publish a reusable your tool-backed privacy or security script, flow, app, or resource type for the public Windmill Hub. | Submission must be reusable and documented; Windmill team reviews and approves community Hub entries. | 2026-08-05 | Open Windmill Hub submit page (new tab)Windmill Hub details |
| 9 | 81 | Instructables | instructables.com | Communities and forums | Free | Involved | High | Verified live | Publish a detailed build or usage tutorial around an original your tool workflow, with the relevant tool link only where it helps readers. | Commercial projects are acceptable only when the article is genuinely instructional; include original steps, images, and results. | https://www.instructables.com/create/ | Open Instructables submit page (new tab)Instructables details |
| 10 | 80 | India SME Forum | indiasmeforum.org | Communities and forums | Not stated | Moderate | High | Live, conditional | Submit a truthful MSME membership request with your tool entity, business, contact and website details. | India MSME only, executive-board approval required; verify the latest tier price before payment. | 2026-08-04 | Open India SME Forum submit page (new tab)India SME Forum details |
| 11 | 80 | Workato Community Library | workato.com | Communities and forums | Not stated | Moderate | High | Live, conditional | Build a tested Workato connector for legitimate your tool triggers and actions, add clear support and usage documentation, publish it to the community library, and provide simple successful community recipes. | The connector must pass Workato review and accept the developer agreement. Remove secrets, accurately choose open- or closed-source visibility, provide support contact details, meaningful tags and docs, test every action and trigger, and maintain shared versions; do not publish a promotional shell. | 2026-08-03 | Open Workato Community Library submit page (new tab)Workato Community Library details |
| 12 | 74 | data.world | data.world | Communities and forums | Paid | Moderate | High | Verified live | Publish a documented synthetic privacy, redaction, accessibility, or scam-detection benchmark dataset. | Use an appropriate licence and rich metadata; never publish proprietary, copyrighted, sensitive, or personal data. | Official data.world dataset creation documentation checked 2026-08-07 | Open data.world submit page (new tab)data.world 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.