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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.
Register and claim a company profile only if your tool has a genuine German headquarters, branch or founding connection.
Create a Void package template for your mature CLI, test native and cross builds, include the canonical project homepage and submit it to void-packages.
Author a freely licensed hands-on module for safe document sharing or privacy-first web use with relevant your tool examples.
Create a polished accessible light/dark developer-documentation theme with your optional pre-deploy audit example, then submit it to the official themes repository.
Create your business profile only if it genuinely operates in the United States or Canada and can be verified there.
Build one your tool profile with a short description and curated links to the most useful tool pages.
Create your business page with concise brand details and links to the homepage, popular tools and socials.
Submit a concise company profile only if your tool is a genuine UK startup or has a verifiable UK operating entity.
Claim your tool’s genuine operating location only if the business is eligible, then add accurate website and contact information.
Upload your original useful guide, complete its metadata and include relevant citations or resource links.
Create your free Bio Site and organize homepage, tool-category and social links for real visitors.
Add or claim your tool only if it has a genuine US business presence, then verify the website and business details.
Use the 'Submit your British startup' application only if your tool was genuinely founded in the UK.
Submit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Submit your qualifying open research-software component and short software paper after it has mature public development history.
Use the free launch route and earn visibility through a genuine product submission.
Submit your tool through the free queue with accurate product details and assets.
Submit your tool AI utilities and choose free review or paid placement.
Create a free page only for your genuine local office or service area and add accurate story, categories, website, and contact data.
Register an actual neuroimaging privacy, quality-control, or data-processing tool through NITRC's resource workflow.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Post a substantive study of privacy-preserving browser tools or redaction reliability with transparent methods and data.
Submit your tool as a genuine indie product and complete the requested launch information.
Upload an unpublished evaluation study or research poster about your privacy or accessibility method with supporting code and data.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Build a genuine Solid privacy utility that lets users choose identity providers and stores or retrieves their data from Solid Pods, then confirm the current listing handoff with maintainers.
Apply only if the operating company is genuinely incorporated in Latvia and fits the database's scalable-startup criteria.
Apply for a profile only if your tool is operated by a scalable high-tech startup incorporated and headquartered in Switzerland.
Create one branded Taplink page and add a curated set of your tool product, category and contact links.
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.
Submit your real release to the free weekly launch queue.
If your component is built with or for a public body, publish a standards self-assessment and pursue stewardship/assessment.
Submit your tool for manual inclusion in the software directory.
Develop a maintained Zabbix template/integration for your tool and apply for Integration Partner review and Marketplace visibility.
Consider a verified vendor profile only if the India-focused buyer exposure justifies a recurring listing budget.
Consider only after your tool has a substantial AI feature and the directory offers business value beyond a link.
Onboard your operational research-facing service through an eligible EOSC Node using the Federation Handbook process.
Apply as Associate or full Member only after operating a credible incident-response team/program and completing sponsorship/review.
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.