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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 2,626 products with open-source alternatives
An open-source virtual office platform for distributed teams to work together in shared online spaces.
An unofficial Ember Data Adapter and Serializer for Cloud Firestore with realtime bindings and FastBoot support.
A modern, fast, and secure JavaScript & TypeScript runtime built in Rust, featuring zero-config TypeScript and rich Web APIs.
A free marketplace for CC0-licensed 3D assets, models, textures, and HDRI files ready for use in Three.js and React Three Fiber projects.
A Zsh plugin that caches command and completion output to accelerate shell startup with automatic background updates.
A fast, modern, secure kernel-based VPN tunnel using state-of-the-art cryptography.
A lightweight Lua utility library providing essential functions for strings, files, tables, and classes, as a minimal alternative to Penlight.
A high-performance, zero-allocation JSON serializer for C# that reads/writes directly to UTF8 binary.
A comprehensive netlist reverse engineering and manipulation framework for hardware analysis, akin to IDA or Ghidra for hardware.
A distributed storage benchmark tool for file systems, object stores, and block devices with GPU support.
An open-source container update monitoring tool with a modern dashboard, supporting 23 registries, 20 notification triggers, and automated updates.
A Java library providing efficient, zero-overhead access to native C++ code using JNI and annotations.
A unified, zero-config monitoring solution for Docker and Kubernetes that auto-discovers containers, endpoints, certificates, and more in a single container.
A terminal-based resource monitor for CPU, memory, disks, network, processes, and GPU with a responsive UI and full mouse support.
A cross-platform, single-header crash-reporting library for modern C++ applications that generates .dmp and .txt crash logs.
An extremely fast PHP linter, formatter, and static analyzer written in Rust.
A lightweight Ruby tool that automatically restarts applications when filesystem changes are detected.
A pure Rust, bindless library for low-level terminal handling, manipulation, and reading.
An open-source voice dictation tool that types your speech at the cursor in any application, powered by customizable AI transcription and formatting.
A responsive layout framework for Ember.js focused on performance and maintainability with minimal runtime overhead.
An autonomous open-source security agent for Linux that detects, scores, and automatically responds to threats using eBPF, AI, and collaborative defense.
A full-featured database management tool written in a single PHP file, supporting MySQL, PostgreSQL, SQLite, and more.
A macOS application wrapper that packages a full Ruby installation for deploying Ruby apps and games.
A free marketplace for CC0-licensed 3D assets, models, textures, and HDRI files ready for use in Three.js and React Three Fiber projects.
A C++11 library for efficient robotic localization and mapping, designed for low-resource hardware like Raspberry Pi.
A lightweight Java library providing basic graph data structures and algorithms with no dependencies.
A production-ready SaaS boilerplate built with Go and React, featuring multi-tenancy, Stripe billing, white-label branding, and AI-agent ready architecture.
A high-performance, multi-protocol message broker supporting AMQP, MQTT, and STOMP for diverse messaging use cases.
A modular natural language processing library for Node.js and React Native, designed for building multilingual chatbots and language utilities.
A dual-pane file manager with Vim-style modal hotkeys, built with Svelte and Wails for cross-platform desktop use.
An Elixir presenter package for transforming map structures, enabling flexible API output serialization.
An open-source container update monitoring tool with a modern dashboard, supporting 23 registries, 20 notification triggers, and automated updates.
A free macOS menu bar app that visualizes and cleans developer caches (Xcode, npm, Docker, etc.) to reclaim disk space.
A fast JSON:API serializer for Ruby objects, forked from Netflix/fast_jsonapi.
A free and open-source BitTorrent client written in C++/Qt, offering a fast, stable, and feature-rich alternative to other clients.
A mind-mapping application for Elementary OS with extensive formatting, import/export, and brainstorming features.