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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 Scala toolkit for deployable probabilistic modeling using imperatively-defined factor graphs.
A highly customizable Vue 3 component library for building interactive flowcharts and node-based diagrams.
A universal state management SDK offering signal-based reactivity with three paradigms (Store, Atom, Proxy) and support for all major JavaScript frameworks.
A PCI-DSS compliant card data handling system built on PostgreSQL and PL/pgSQL for secure payment processing.
A macOS status bar app that controls the corectld server daemon for running CoreOS VMs using native macOS Hypervisor.
A Common Lisp development environment with a native code compiler for Intel processors, fully integrated with the Win32 API.
An advanced, open-source object-relational database management system supporting SQL standards, transactions, and extensibility.
A fast, extensible multi-language dependency extraction tool for code analysis and visualization.
A comprehensive Neovim plugin providing modern Markdown editing capabilities with zero dependencies.
A Redis cluster management tool written in Crystal, providing CLI and HTTP interfaces for cluster creation, monitoring, and administration.
An advanced open-source MPP database for data warehousing, large-scale analytics, and AI/ML workloads.
A cross-platform CLI tool and TUI editor for managing .NET .resx and other localization files with validation, translation, and CI/CD automation.
An open-source diagramming and GUI prototyping tool built on Electron for creating diagrams and mockups.
A modern RPC framework for .NET and Unity that provides unified real-time communication and API services using gRPC.
A simple and powerful neural network library for Python with a MATLAB-like API and flexible configuration.
A cross-platform .NET code coverage tool that instruments assemblies via IL weaving for Mono, .NET Framework, and .NET Core.
A pure Common Lisp library for charset encoding and decoding, similar to GNU libiconv.
A Terraform provider for estimating, tracking, and optimizing cloud costs directly within Terraform workflows, with extensive Azure support.
A Python library for lightning-fast univariate time series forecasting with optimized statistical and econometric models.
A comprehensive font icon set with 2075+ glyphs designed for compatibility with Bootstrap and other frameworks.
A Neovim plugin that integrates the Goose AI agent, enabling chat and code assistance with editor context capture.
Run any executable as a native Windows service with automatic restarts, health checks, and real-time management.
Community-driven long-term support fork of Magento Community Edition with security patches, bug fixes, and performance improvements.
A free and open-source BitTorrent client written in C++/Qt, offering a fast, stable, and feature-rich alternative to other clients.
A HomeMatic CCU3 addon that brings HomeKit support to your HomeMatic devices without requiring extra hardware.
A self-hosted online file converter supporting over 1000 different formats across documents, images, video, and more.
Translates Oniguruma regex patterns (used by Ruby, TextMate, VS Code) to native JavaScript RegExp with high accuracy.
A Ruby gem for performing time calculations based on business hours, holidays, and custom working schedules.
A lightweight ETL library and data integration toolbox for .NET, enabling programmatic data flow pipelines.
A Go package for detecting MIME types and file extensions based on magic numbers, prioritizing common formats and supporting extension.
A minimalist Ruby web framework for building Rack applications with a focus on simplicity, maintainability, and performance.
A C# library providing an Entity Framework-like interface for MongoDB, featuring change tracking, fluent mapping, and entity buckets.
A stable, mature Objective-C library for Twitter's REST API 1.1, offering comprehensive access and flexible authentication.
A community-maintained movie database built on the AT Protocol, offering IMDb/TMDB-like functionality.
Automatic version management and state recovery tool that works with any language and stores versions in git tags.
A curated list of starters, examples, guides, and resources for the Neon serverless Postgres database.