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Sandstorm is a self-hostable web productivity suite. It's implemented as a security-hardened web app package manager.

  • capnproto
  • decentralized
  • sandstorm
  • seccomp

A self-hosted UPI & COD payment gateway with zero per-transaction platform fees, universal JavaScript checkout integration, dynamic QR payments, WhatsApp OTP authentication, and automated payment verification.

Newsletters where you pay for the emails you send, not for dormant subscribers, at a fraction of the price of beehiiv and the like. Open source: self-host it, or use mailcheap.ai.

Self-hosted open-source web gallery to view your photos and videos featuring mobile-friendly, tagging and AI powered image discovery

  • gallery
  • videos
  • open-source
  • web-gallery

Straightforward realtime kanban boards management for intuitive task tracking. 4ga Boards features an elegant dark mode, collapsible todo lists, and multitasking tools to supercharge your team's productivity.

Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.

  • anti-bot
  • behavioral-analysis
  • bot-detection
  • captcha

Open-source AI study companion — Google Classroom sync, Gemini AI plans, SRS flashcards, GPA predictor, AI quiz, MCP server for Claude Code. Try demo at shiori-v1.vercel.app