Find the best open-source alternatives

An AI agent skill providing cheap, comprehensive X (Twitter) data access via 121 REST API endpoints, MCP tools, and bulk extraction capabilities.

A lightweight, dependency-free Objective-C client library for Dropbox's v2 API.

A fast HTTP client for Common Lisp with neat APIs and connection pooling.

A libre file transfer client for macOS and Windows supporting FTP, SFTP, WebDAV, Amazon S3, Azure, OneDrive, and more.

A free, open-source desktop app for AI coworking with built-in agents, multi-model support, and 24/7 automation.

A Swift SDK for sending app analytics from iOS, tvOS, and macOS apps to a Matomo server.

Distributed storage proxy with a RESTful API for high-throughput content delivery, built for Wikipedia-scale operations.

An open source, self-hosted live video streaming and chat server for complete ownership of your live streams.

A pure Go library for accessing Raspberry Pi GPIO pins without external C dependencies.

An open-source, Rust-powered productivity launcher for quickly accessing apps, utilities, and workflows via a popup interface.

Open-source software for remote control of DSLR cameras via computer.

A standalone Python framework for orchestrating autonomous AI agents that collaborate to tackle complex tasks.

A .NET library for reading and writing Office formats (Excel, Word) without requiring Microsoft Office installation.

Golang bindings for the Sciter embeddable HTML/CSS/script engine, enabling modern desktop UI development with web technologies.

An open-source online video platform for transcoding and packaging video files into HLS streams using FFmpeg and Ruby on Rails.

A framework built on Starling that adds FlashPunk-inspired structure and organization to 2D game development.

A latent text-to-image diffusion model that generates detailed images from text prompts, running on GPUs with at least 10GB VRAM.

A fully-featured, highly customizable JavaScript charting library for enterprise applications.

A GIMP plugin and command-line tool for importing and exporting Game Boy tilemaps and tilesets to/from GBDK, ZGB, GBTD, and GBMB formats.

A Slack webhook app that creates anonymous public chat channels for external user support.

A lightweight Ruby tool that automatically restarts applications when filesystem changes are detected.

A PowerShell-based build automation tool that leverages existing command-line knowledge with a syntax inspired by rake.

A free open-source collaborative system for document management, CRM, project management, and email aggregation.

A framework for building truly native mobile apps for iOS, Android, and visionOS using TypeScript and popular web frameworks.

A simple and fast JSON parser implemented in ANSI C with a reference-counting object model.

A lightweight state management library for Angular using Services with RxJS or Signal, designed for simplicity and Angular's dependency injection.

A functional tool-belt for Swift providing utility methods for arrays, dictionaries, and functions without extending built-in objects.

A fast and safe AV1 video encoder designed as a performant alternative to the reference encoder.

A lightweight JavaScript/TypeScript library for parsing, formatting, manipulating, and internationalizing dates using native Date objects.

A Java library providing efficient, zero-overhead access to native C++ code using JNI and annotations.

A super minimal, modular presentation micro-framework for modern browsers with a rich plugin ecosystem.

A self-hosted budgeting application based on the Bucket Budgeting Principle, inspired by YNAB and Buckets.

A Go-based toolset for data extraction, transformation, and loading, providing powerful data synchronization capabilities.

A next-generation HTTP client for Spring that implements client-side response routing, embracing HTTP's full power.

A BOINC-based distributed password cracking system with a modern web interface for cybersecurity professionals.

An open-source, horizontally scalable binary artifact management tool supporting Maven, Docker, npm, and more.