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 simple, responsive, modern SVG charting library with zero dependencies, inspired by GitHub's design.
A lightweight cross-platform desktop app framework using JavaScript, HTML, and CSS without bundling Chromium.
Open-source accounting software for small businesses and freelancers, built with Laravel and Vue.js.
A desktop tool for creating and presenting markdown-based slide decks for tech talks, training, and education.
An open-source RPA tool that automates repetitive tasks on websites, desktop apps, and the command line using a simple language.
An Erlang-based Business Process Engine implementing BPMN 2.0 (ISO 19510) for workflow orchestration and rule-based production systems.
A library for building and evaluating mathematical expressions and neural networks in Go, with automatic differentiation and GPU support.
A cloud-native search engine optimized for observability data like logs and traces, offering sub-second search on cloud storage.
A free, cross-platform Electronic Design Automation (EDA) suite for designing printed circuit boards.
An open-source Reverse ETL platform for syncing data from warehouses to business tools like Salesforce, HubSpot, and Slack.
A lightweight cross-platform Rust game framework for creating 2D and 3D games with minimal friction.
Unofficial macOS app for watching Apple Events and WWDC sessions with native interface and offline capabilities.
A highly configurable cross-platform terminal emulator with integrated SSH, serial client, and modern features.
A free, open-source screen capture and file sharing tool for Windows with extensive customization and upload destinations.
A command-line tool for automatic certificate acquisition from ACME servers like Let's Encrypt, designed for flexible web server integration.
A collection of modern, performance-focused Unix command replacements written in Rust, starting with cpz and rmz.
A simple Unix shell written in Rust with built-in math arithmetic and bash-like features.
A private, self-hosted Terraform/OpenTofu registry for modules and providers with a web dashboard and RBAC.
An open-source data platform that turns any SQL database into a headless CMS, API, and admin panel with real-time collaboration.
A responsive CSS grid system built with CSS3 Flexbox for modern web layouts.
A privacy-focused, open-source mobile app for tracking your reading progress across Android and iOS.
A lightweight, fault-tolerant distributed relational database built on SQLite, designed for high availability with minimal operational effort.
A privacy-first, AI-powered analytics and engagement platform for mobile, web, desktop, and IoT applications.
An open-source AI memory tool that captures your screen and audio locally, enabling search and automation agents based on your computer activity.
A very fast and accurate code counter with complexity calculations, COCOMO/LOCOMO estimates, and unique line metrics written in pure Go.
A minimal, reactive, and type-safe data-fetching library for Angular, inspired by TanStack Query but built natively for Angular's ecosystem.
A pure Ruby library for creating, manipulating, merging, securing, and optimizing PDF files with a Ruby-esque API.
A Common Lisp lexical analyzer generator that defines a domain-specific language within your Lisp program, eliminating the need for external tools.
A self-hosted network reconnaissance framework for building alternatives to Shodan, ZoomEye, Censys, and GreyNoise.
Grunt plugin to optimize PNG and JPG images using the reSmush.it web service.
A private messaging platform with no user identifiers, using disposable relay nodes for metadata protection.
A highly configurable cross-platform terminal emulator with integrated SSH and serial client capabilities.
Node-RED packaged as an addon for Homematic CCU3 and RaspberryMatic, enabling visual smart home automation.
An open-source data visualization and dashboard platform that connects to any data source, enabling teams to query, visualize, and share data insights.
A pluggable linting utility for identifying and reporting patterns in JavaScript and ECMAScript code.
A fast and low overhead web framework for Node.js, focused on performance and developer experience.