Free, open-source and self-hosted CAPTCHA alternative to reCAPTCHA. Privacy-first and powered by proof-of-work and instrumentation challenges.
☆7,808Sep 16, 2026Updated this week
Alternatives and similar repositories for cap
Users that are interested in cap are comparing it to the libraries listed below. We may earn a commission when you buy through links labeled 'Ad' on this page.
Sorting:
- GDPR, WCAG 2.2 AA, and EAA compliant, self-hosted CAPTCHA alternative with PoW mechanism.☆2,761Sep 11, 2026Updated last week
- 🐸 Rybbit - open-source and privacy-friendly alternative to Google Analytics that is 10x more intuitive.☆13,029Updated this week
- High-performance engine for capturing, modifying, and converting DOM elements into any format.☆8,135Updated this week
- Open Source Alternative to Vercel, Netlify and Heroku.☆37,381Updated this week
- Open source Loom alternative. Beautiful, shareable screen recordings.☆22,442Updated this week
- Virtual machines for every use case on DigitalOcean • AdGet dependable uptime with 99.99% SLA, simple security tools, and predictable monthly pricing with DigitalOcean's virtual machines, called Droplets.
- The beautiful & flexible React.js docs framework.☆13,185Updated this week
- The tiniest OpenID Certified™ authorization and authentication server you have ever seen.☆8,266Updated this week
- Weighs the soul of incoming HTTP requests to stop AI crawlers☆22,538Updated this week
- Lightweight server monitoring with historical data, docker stats, and alerts.☆25,525Updated this week
- Umami is a privacy-first analytics platform. Traffic, campaigns, behavior, conversions, and revenue in one place — no cookies, no surveil…☆38,905Updated this week
- SafeLine is a self-hosted WAF(Web Application Firewall) / reverse proxy to protect your web apps from attacks and exploits.☆22,631Updated this week
- The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬☆19,239Updated this week
- An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stac…☆62,022Updated this week
- RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compati…☆33,323Updated this week
- Wordpress hosting with auto-scaling - Free Trial Offer • AdFully Managed hosting for WordPress and WooCommerce businesses that need reliable, auto-scalable performance. Cloudways SafeUpdates now available.
- ⚡ A Simple, Speedy, Secure, and Serverless Link Shortener with Analytics, Running Entirely on Cloudflare.☆7,147Updated this week
- The most comprehensive authentication framework☆30,011Updated this week
- Lightpanda: the headless browser designed for AI and automation☆35,438Updated this week
- ⚡ Next-gen Web Extension Framework☆10,522Updated this week
- 🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints,…☆59,626Updated this week
- The next-generation file converter. Open source, fully local* and free forever.☆15,619Updated this week
- 🤱🏻 Turn any webpage into a desktop app with one command.☆61,525Updated this week
- Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.☆63,172Updated this week
- Open Source realtime backend in 1 file☆61,093Updated this week
- Virtual machines for every use case on DigitalOcean • AdGet dependable uptime with 99.99% SLA, simple security tools, and predictable monthly pricing with DigitalOcean's virtual machines, called Droplets.
- A self hosted virtual browser that runs in docker and uses WebRTC.☆22,330Sep 10, 2026Updated last week
- BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees.…☆15,618Jun 11, 2026Updated 3 months ago
- Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in rea…☆10,852Updated this week
- Web framework built on Web Standards☆32,279Updated this week
- A PDF viewer that seamlessly integrates with any JavaScript project☆4,497Updated this week
- Penpot: The open-source design platform for Product teams that need scalable collaboration.☆60,161Updated this week
- Modern networking and security platform providing secure access and connectivity to apps, infrastructure, and AI workloads. Connect and p…☆22,832Updated this week
- A fancy self-hosted monitoring tool☆91,562Updated this week
- All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).☆14,724Updated this week
- Wordpress hosting with auto-scaling - Free Trial Offer • AdFully Managed hosting for WordPress and WooCommerce businesses that need reliable, auto-scalable performance. Cloudways SafeUpdates now available.
- Build ultra fast, tiny, and cross-platform desktop apps with Typescript.☆12,795Updated this week
- The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.☆40,624Updated this week
- A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.☆59,339Updated this week
- Comfortably monitor your network traffic 🕵️♂️☆41,159Updated this week
- Infisical is the open-source platform for secrets, certificates, and privileged access management.☆29,322Updated this week
- Send push notifications to your phone or desktop using PUT/POST☆34,320Updated this week
- Free, simple, and intuitive online database diagram editor and SQL generator.☆39,586Updated this week