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High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

Bend 2: a fast language that blocks AI mistakes via proof. Install: curl -fsSL https://bend-lang.com/install.sh | sh

The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.

Open source Loom alternative. Beautiful, shareable screen recordings.

Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation, and data generation.

A powerful GUI app and Toolkit for Claude Code - Create custom agents, manage interactive Claude Code sessions, run secure background agents, and more.

Context window optimization for AI coding agents. Sandboxes tool output (98% reduction), persists session memory, and enforces routing across 17 platforms via MCP + hooks.

YC (S26) | Open Computer History | Continuously record your company computer work, map your workflows, help you find work worth automating, and power your agents' context

Enhancement suite for Gemini, AI Studio, Claude, ChatGPT & DeepSeek — plus a prompt manager for any website, DeepSeek Harness included. / 面向 Gemini、AI Studio、Claude、ChatGPT 与 DeepSeek 的增强套件；其中的提示词管理器可用于任意网站，如 DeepSeek Harness。

The open-source AI Operating System

Enhancement suite for Gemini, AI Studio, Claude, ChatGPT & DeepSeek — plus a prompt manager for any website, DeepSeek Harness included. / 面向 Gemini、AI Studio、Claude、ChatGPT 与 DeepSeek 的增强套件；其中的提示词管理器可用于任意网站，如 DeepSeek Harness。

Devika is the first open-source implementation of an Agentic Software Engineer. Initially started as an open-source alternative to Devin.

Open source agentic operating system

An all-in-one enhancement suite for Google Gemini & AI Studio - timeline navigation, folder management, prompt library, and chat export in one powerful extension. / Google Gemini & AI Studio 全能增强插件：集成时间轴导航、文件夹管理、提示词库及聊天导出等众多功能。

💾 Self-hosted online file converter. Supports 1000+ formats ⚙️

npx ccusage

Visualize any GitHub codebase: free interactive architecture diagrams and one-minute explainer videos. Replace 'hub' with 'diagram' in any GitHub URL.

Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.

A collection of projects designed to help developers quickly get started with building deployable applications using the Claude API

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

Local-first cross-platform desktop workspace for Claude Code / agents: multi-agent, Git worktrees, code diffs, skill marketplace, multi-model, Computer Use, task-aware desktop pets, with WeChat, Feishu, DingTalk, Telegram, WhatsApp and H5 access.

A type-safe TypeScript SQL query builder

Superset is an agentic IDE to orchestrate 100+ coding agents in parallel. Run any agent with your own subscription.

🌐 The open-source Agentic browser; alternative to ChatGPT Atlas, Perplexity Comet, Dia.

The free coding agent

OpenTUI is a library to build terminal user interfaces (TUI)

Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.

The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.

The best way to get AI coding agents to solve hard problems in complex codebases.

Simple bookmark manager built with Go