Open source apps
Submit appEvery open source apps listed on SpacerrApps, 14 of them so far, each written up in plain language from what the person who built it told us.
SpacerrXFeatured174 clicks
Everything you need to grow and monetize on X, brought together in one extension that works directly inside X.com in your own voice, ban-safe, and completely free to start.
Communication, Social
Easy ScaleFeatured178 clicks
Ask an AI which tool to buy and it names three companies. EasyScale finds the questions where yours is missing, publishes the content that fixes it, and tracks it.
Marketing, Analytics, Automation
Calcul Heure8 clicks
Calcul heure de travail, heures supplémentaires et salaire en quelques secondes. Gratuit, sans inscription, 100% RGPD. Compatible Sage, Cegid, ADP, Silae.
Productivity, Open source, Utilities
Pindrop5 clicks
Pindrop gives you free interactive maps, breeding calculators, and item databases for Palworld, Enshrouded, and other survival games — no login, no ads, works on mobile.
Open source
FlatBB7 clicks
Free open-source forum you install by unzipping a folder, with SQLite or MySQL support.
Developer tools, Open source, Communication
RME: PDF & Document Scanner1 clicks
Open-source Android document scanner with offline OCR, searchable PDFs, local processing, and no ads, accounts, tracking, or cloud document storage.
Privacy, Productivity, Open source
Vocdoni0 clicks
Vocdoni provides open-source online voting for associations, cooperatives, and organizations. Teams can use its self-service app or request managed election services for their voting needs.
Open source
Base202623 clicks
Search reviewed expert-video insights with creator attribution and original-source context.
Open source, Productivity, Developer tools
MirrorFly Chat API20 clicks
MirrorFly is a customizable Chat API and SDK platform with 1,000+ features, AI tools, full source code, and cloud, self-hosted, or on-premise deployment.
Developer tools, Communication, Open source
Learn Anything7 clicks
Turn any subject or exam into a polished, offline study + quiz web app — generated by Claude Code, Codex, ChatGPT or any coding agent. Free and open source.
Education, AI, Open source
Arb3a BalootFeatured99 clicks
Baloot is the classic Gulf card game: four players in two facing teams, a mix of wit, strategy and prediction. Every round is a battle of minds: read your opponent's hand, trust your partner, win.
Games, Mobile
Replace.so0 clicks
Browse reviewed open-source tools and find self-hostable software alternatives that fit how you work.
Developer tools, Open source, Data
Radon28 clicks
Self-hosted auth for Node. Any database, any email provider, 50 OAuth providers. No per-MAU pricing, no lock-in.
Developer tools, Productivity, Open source
Findmeajob18 clicks
Find your next job completely free from more than 65,000 active listings worldwide.
Open source, Developer tools, Education
Ota10 clicks
Ota helps developers make the first successful run of a repository explicit, repeatable, and easier to trust across local development, CI, automation, and AI-assisted workflows.
Developer tools, Open source, Productivity
InkMarshal24 clicks
Brainstorm, outline, draft, revise, and export long-form fiction with a local LLM—on your machine, offline, with no required cloud account.
Writing, AI, Open source
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- Easy ScaleGet named when buyers ask AI which product to buy.
- Arb3a BalootThe Gulf Baloot card game, online
- SpacerrXGrow on X and Monetize faster!
- This row is openYour app here, pinned above the list. Cancel whenever.