Help expand the directory by suggesting a product or submitting an open-source alternative.
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.
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 localization and translation tool for Delphi applications that replaces the standard Delphi Translation Manager.
A lightweight, fast, and simple 3D physics engine in C++ designed for games, supporting only box collision for ease of use.
An open-source voice dictation tool that types your speech at the cursor in any application, powered by customizable AI transcription and formatting.
An R package that extends ggplot2 with missing functionality for custom plot composition and advanced visualizations.
A platform for deploying, managing, and scaling machine learning models in production on AWS infrastructure.
A free open-source collaborative system for document management, CRM, project management, and email aggregation.
An open-source Java application performance monitoring agent with preconfigured dashboards for Elasticsearch, Graphite, and InfluxDB.
A C++ JSON library for Arduino and IoT devices, focusing on efficiency and minimal resource usage.
An open-source ticket selling and event management platform built on Laravel, enabling organizers to avoid third-party fees.
A PowerShell module for remote endpoint threat hunting, scanning for indicators of compromise and collecting system state information.
A minimal Neovim tabline plugin written in Lua, serving as a drop-in replacement for tabline.vim.
A Crystal language port of Foreman for managing Procfile-based applications.
A Windows OpenGL function call interceptor that logs all OpenGL calls for debugging and analysis.
Automatic version management and state recovery tool that works with any language and stores versions in git tags.
A cloud-native search engine optimized for observability data like logs and traces, offering sub-second search on cloud storage.
An open-source ticket selling and event management platform built on Laravel, enabling organizers to avoid third-party fees.
A command-line tool to create modern online books from Markdown files, implemented in Rust.
A Rust tool to verify email address deliverability without sending emails, with CLI, HTTP backend, and library options.
A type-safe, thread-safe LRU memory cache implementation for Swift applications.
A package manager that installs prebuilt Swift command line tool packages, like Homebrew for Swift.
A productivity add-in for Xamarin Studio that enhances navigation, file toggling, and code generation.
A lightweight C++20 testing framework focused on minimal heap allocation and fast compilation.
A free, open-source, cross-platform 2D CAD application for reading and editing DXF/DWG files and exporting to PDF/SVG.
A MicroPython-based sensor platform for ESP8266/32 with remote code updates and MQTT/Home Assistant integration.
A self-hosted online file converter supporting over 1000 different formats across documents, images, video, and more.
A Laravel development environment for Linux that runs Nginx and DnsMasq to serve sites on *.test domains.
A native desktop application for the Mattermost open-source collaboration platform, built on Electron.
A composable, all-in-one mail server that implements SMTP, IMAP, DKIM, SPF, DMARC, and more in a single daemon.
A jQuery plugin for responsive zoom of images and other content with scroll, drag, and touch interactions.
A Python SDK for programmatically interacting with Gemini CLI, designed to be API-compatible with the Claude Code SDK.
A minimalist, single-file kanban board that stores all data locally for offline use.
A JupyterLab extension that embeds the drawio/mxgraph diagramming tool directly into the JupyterLab interface.
A Vue 3 library providing TypeScript decorators for writing Vue components as ES classes.
An open-source Ruby on Rails CRM platform for managing leads, contacts, opportunities, and campaigns with group collaboration.
A lightweight, extremely high-performance, in-place DOM-style JSON parser for C++11.
A PHP package that provides syntax highlighting using Shiki's language engine with support for 100+ languages.