Find the best open-source alternatives

A Swift framework that enables immersive AR headset experiences using Google Cardboard, with handheld AR alternatives.

A Neovim plugin that defines keymaps, commands, and autocmds as Lua tables while building a searchable legend like VS Code's Command Palette.

A fast, configurable, extensible, and beautiful drop-in replacement for golint with custom rules and strict presets.

An open-source hybrid integration platform for connecting applications, data, and systems with enterprise-grade features.

A Windows OpenGL function call interceptor that logs all OpenGL calls for debugging and analysis.

Official Elastic APM JavaScript agent for monitoring real user performance and errors in web applications.

Embedded CoffeeScript templates for server-side and client-side rendering, similar to EJS and ERB.

An all-in-one open-source platform for product analytics, feature flags, session replay, experiments, and more to help build successful products.

A Jupyter notebook extension for creating Wardley Maps using a simple cell magic syntax.

A Scala API for Cascading that simplifies writing Hadoop MapReduce jobs with Scala integration.

A simple two-dimensional swept collision library for Lua supporting polygons, circles, and advanced queries.

An open-source, self-hosted deployment platform that replaces Vercel and other SaaS tools with a single binary.

A fully-featured HTTP client interface for Neovim, supporting REST, GraphQL, gRPC, and WebSocket requests.

A high-performance, AI-native software-defined PBX built in Rust for programmable contact centers.

A Substrate query node framework that ingests blockchain data and provides customizable GraphQL APIs for app developers.

A csshX-like SSH tool for iTerm2 that connects to multiple machines using split panes and broadcast input.

A privacy-focused web browser that blocks trackers and ads by default while rewarding users with Basic Attention Tokens.

A Python CLI tool for controlling Dante network audio devices without proprietary Dante Controller software.

A Clojure library for machine learning and statistical inference designed for production deployment and composable algorithms.

A simple, secure, and fast identity management platform for self-hosted authentication, supporting OAuth2, LDAP, RADIUS, and Unix integration.

A CLI tool that connects ChatGPT to the internet by searching Google and feeding results to GPT-3.5 for up-to-date answers.

A Sublime Text package that transforms the editor into a full-featured IDE for R programming.

A self-hosted tool for testing and debugging webhooks and HTTP requests with customizable responses and real-time UI.

An open-source learning management system (LMS) developed by Instructure for educational institutions and organizations.

A native desktop application for the Mattermost open-source collaboration platform, built on Electron.

An open-source diagramming and GUI prototyping tool built on Electron for creating diagrams and mockups.

A lightweight, fast, full-text search engine for static websites, written in Rust and compiled to WebAssembly.

A JavaScript and CSS loader with key/value storage using IndexedDB, WebSQL, and localStorage for caching.

An open-source archive manager for macOS that lets you preview nested archives and extract single files without full extraction.

A clean, simple, and powerful web application for managing, importing, and organizing family recipes.

A Docker-based local web development environment with pre-configured services and a powerful ZSH console for PHP projects.

A lightweight JavaScript library for monitoring web font loading using scroll events.

A multi-chain animation library for iOS that simplifies creating complex, readable animations in Objective-C and Swift.

A Ruby gem that catches unsafe PostgreSQL migrations in development and provides helpers to run them safely in production.

An efficient and lightweight WebAssembly interpreter designed for embedded and constrained systems.

A fast Rust/Tokio command-line utility for running shell commands in parallel with a GNU Parallel/xargs-like interface.