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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.
A standard library for JavaScript and TypeScript with an emphasis on numerical and scientific computation.
Showing 2,872 products with open-source alternatives
A framework providing developer tools for writing Solana programs (smart contracts) with Rust and TypeScript.
A chainable interface for Swift's async/await that provides promise-like operations while using native language features.
A fast and low overhead web framework for Node.js, focused on performance and developer experience.
A dynamic stylesheet language that extends CSS with variables, mixins, functions, and more.
A Node.js library for automating Chrome locally or headless on AWS Lambda with a simple API.
A JavaScript library for generating word cloud layouts with HTML5 canvas, inspired by Wordle.
A .NET library for background job processing with fire-and-forget, delayed, and recurring tasks, no Windows Service required.
A free, private time tracking app for macOS and Windows that works 100% offline with no cloud, registration, or paywall.
An unofficial, lightweight, self-hosted Bitwarden-compatible password manager server written in Rust.
A Kakoune/Neovim-inspired modal text editor written in Rust, featuring multiple selections and built-in language server support.
A minimal, human-readable configuration file format that maps unambiguously to a hash table.
A libre, Unix-like reverse engineering framework and command-line toolset for analyzing, debugging, and modifying binaries.
A next-generation testing framework powered by Vite, offering instant feedback and Jest-compatible APIs.
Deploy serverless functions and microservices to Kubernetes with ease, using any language and auto-scaling.
A sandbox for developing, testing, and documenting UI components in isolation.
Run large language models (LLMs) privately on everyday desktops and laptops without requiring API calls or GPUs.
A free and open-source font editor for creating, editing, and converting fonts across multiple formats and platforms.
Open-source authentication and session management service, providing a self-hosted alternative to Auth0, Firebase Auth, and AWS Cognito.
A high-performance multi-language serialization framework using JIT compilation and zero-copy techniques for fast data exchange.
A Kafka-compatible streaming data platform that is 10x faster, simpler to operate, and free from ZooKeeper and JVMs.
An open-source integrated development environment (IDE) and application framework for Java, PHP, and other languages.
An open-source RPA tool that automates repetitive tasks on websites, desktop apps, and the command line using a simple language.
A free, open-source screen capture and file sharing tool for Windows with extensive customization and upload destinations.
A dynamic, real-time, high-performance cloud-native API gateway and AI gateway for traffic management and service orchestration.
An open-source platform for secrets management, certificate lifecycle, and privileged access management with self-hosting options.
Identifies compilers, packers, obfuscators, and other characteristics in Android APK and DEX files.
A fast, local-first, reactive NoSQL database for JavaScript applications with realtime sync capabilities.
An open-source AI agent for the terminal that helps developers understand codebases, automate tasks, and ship faster.
An open-source business intelligence and embedded analytics platform that enables everyone to explore and visualize data.
A QEMU-based interactive runtime analyzer for dynamic binary analysis and reverse engineering.
A libre, Unix-like reverse engineering framework and command-line toolset for analyzing, debugging, and modifying binaries.
A high-performance Python graph library implemented in Rust for general-purpose graph algorithms.
A simple open-source self-hosted file sharing solution with resumable uploads and password protection.
Expose your localhost to the world for easy testing and sharing without DNS or deployment.
High-performance Node.js image processing module for resizing, converting, and manipulating JPEG, PNG, WebP, AVIF, GIF, and TIFF images.
An open-source database DevOps tool providing CI/CD, SQL review, and security features for managing database schema changes.