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Most searched proprietary tools with open-source replacements
An open-source API development ecosystem for testing HTTP, WebSocket, GraphQL, and other APIs with real-time collaboration.
An open-source, fullstack Next.js framework that provides a TypeScript backend and admin panel, usable as a headless CMS or for building applications.
A privacy-focused, open-source note-taking app with end-to-end encrypted sync across all major platforms.
An open-source API development ecosystem for testing HTTP, WebSocket, GraphQL, and other APIs with real-time collaboration.
Showing 2,563 products with open-source alternatives
A high-performance, multi-process, multi-fiber Rack-compatible web server for Ruby with native HTTP/1, HTTP/2, and TLS support.
A fast, cross-platform image decoding library with clean APIs for C, C++, and Python, supporting 20+ formats.
A request/response inspector middleware for ASP.NET Core that captures HTTP traffic and provides a real-time web viewer for debugging.
An R package that extends ggplot2 to create publication-ready graphics with statistical details embedded directly in the plots.
A Ruby process monitoring tool inspired by Bluepill and God, built for production stability with advanced features like chained restarts and health checks.
AWX is an open-source web UI, REST API, and task engine for managing and scaling Ansible automation.
A composable, all-in-one mail server that implements SMTP, IMAP, DKIM, SPF, DMARC, and more in a single daemon.