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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 2,636 products with open-source alternatives
A Gradle plugin providing Clojure and ClojureScript language support for building polyglot and multi-project applications.
An autonomous open-source security agent for Linux that detects, scores, and automatically responds to threats using eBPF, AI, and collaborative defense.
A Java library for loading, saving, and validating large GTFS feeds using disk-backed storage.
A desktop client for Signal that links with mobile apps to enable private messaging on Windows, macOS, and Linux.
A Neovim plugin that manages sessions using built-in :mksession, similar to VS Code's folder-based workspace persistence.
A Swift framework for reactive programming with a focus on thread safety and predictable behavior.
ripgrep is a fast, line-oriented search tool that recursively searches directories for regex patterns while respecting gitignore rules.
A clean-room copy of Svbtle.com's minimalist design for the Pelican static site generator.
A professional animated sprite editor and pixel art tool for game developers and digital artists.
A deterministic, skills-based browser agent that automates web interactions using predefined action recipes for popular sites.
A standalone Python framework for orchestrating autonomous AI agents that collaborate to tackle complex tasks.
A Swift-based replacement for SlackTextViewController providing message input and autocomplete for iOS apps.
A Rust tool to verify email address deliverability without sending emails, with CLI, HTTP backend, and library options.
A blazing fast JSON parser and generator implemented in pure Elixir.
A mobile-first note-taking app that stores Markdown notes in a Git repository for privacy and data portability.
A low-overhead sampling profiler for PHP 7+ that works with CLI, Apache, and FPM without requiring code changes.
Rails integration for the Rodauth authentication framework, providing a robust, feature-rich alternative to Devise.
A friendly .NET mocking library with a succinct syntax that keeps tests focused on intention rather than configuration.
An OCI-native artifact manager and image registry that is easy to deploy and maintain, supporting Docker, Helm, and other OCI artifacts.
A Common Lisp development environment with a native code compiler for Intel processors, fully integrated with the Win32 API.
A minimalist web framework for Deno, ported from ExpressJS, providing robust HTTP server tooling.
A Clojure(Script) library for building interactive visualization apps with Vega-Lite/Vega using data-driven templates.
A high-performance, lightweight reliable streaming platform built on NATS messaging.
A simple, open-source lossless audio codec with good compression ratios, written in C++.
A testing utility for Preact components that provides virtual DOM access and an enzyme-like API.
A lightweight, ViewModel-first MVVM framework for WPF on .NET Framework and .NET Core, inspired by Caliburn.Micro.
An open-source Zigbee to MQTT bridge that lets you control Zigbee devices without proprietary vendor gateways.
An ES6+ aware minifier based on the Babel toolchain, enabling direct minification of modern JavaScript.
A C# application for farming Steam trading cards from multiple accounts simultaneously without requiring the Steam client.
A privacy-first, native macOS menu bar manager that hides unused icons, offers two viewing modes, and includes Touch ID lock and smart triggers.
A Link in Bio service for Bluesky users to organize and share their links using their Bluesky account.
IBM's open-source corporate typeface family, designed for global use and versatility across UI and print.
Open-source media request and discovery manager for Jellyfin, Plex, and Emby media servers.
A powerful, open-source screenshot tool with built-in annotation and editing capabilities for Linux, Windows, and macOS.
A CLI task runner that uses a markdown file as both human-readable documentation and command definitions.
Chat with your PDF files using GPT with a simple, accurate RAG architecture that avoids third-party dependencies.