Open Source Projects using Bun
A curated collection of the 62 best open source software using Bun. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
An agentic CRM that keeps records current automatically
Stars
Stars growing over the last 30 days11,861Last commit
4 days agoLicense
MIT
Open source CRM with AI agents that read your inbox, enrich contacts and companies, schedule follow-ups, and build new agents from plain-language descriptions.
Open Source Alternative to:
Task management with GitHub sync and AI agents for devs
Stars
Stars growing quickly over the last 30 days6,152Last commit
5 hours agoLicense
AGPL-3.0
Task manager built for engineering teams, combining status tracking, priority management, GitHub integration, and AI agents that can close tasks automatically.
Open Source Alternative to:
Team chat with email, tasks, and docs in one workspace
Stars
Stars growing quickly over the last 30 days6,152Last commit
5 hours agoLicense
AGPL-3.0
Team chat app with inline threads, mention-based sharing, a unified inbox for chat and email, and an AI agent that works across your full workspace.
Open Source Alternative to:
Keyboard-first email client with AI, chat, and tasks
Stars
Stars growing quickly over the last 30 days6,152Last commit
5 hours agoLicense
AGPL-3.0
An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
Open Source Alternative to:
Markdown docs wired into tasks, email, and agents
Stars
Stars growing quickly over the last 30 days6,152Last commit
5 hours agoLicense
AGPL-3.0
Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.
Open Source Alternative to:
A self-building CRM powered by your email
Stars
Stars growing quickly over the last 30 days6,152Last commit
5 hours agoLicense
AGPL-3.0
Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Open Source Alternative to:
Issue tracker where people and AI agents share one board
Stars
Stars growing quickly over the last 30 days2,176Last commit
12 hours agoLicense
AGPL-3.0
Self-hosted issue tracker with boards, timelines, initiatives and dashboards, where AI agents take assigned issues like teammates. AGPL-3.0, no per-seat fees.
Open Source Alternative to:
AI coding agent for terminal, IDE, and desktop
Stars
Stars growing over the last 30 days224,667Last commit
5 hours agoLicense
MIT
Open source AI coding agent that works in your terminal, IDE, or desktop app, supporting 75+ LLM providers with no code storage.
Open Source Alternative to:
Open source video editor that runs in your browser
Stars
Stars growing over the last 30 days97,360Last commit
1 month agoLicense
MIT
Browser-based, open source video editor built for privacy. No installs, no account required, works on any platform.
Open Source Alternative to:
Autonomous coding agents that complete real engineering tasks
Stars
92,692Last commit
9 hours agoLicense
MIT
AI agent platform that runs autonomous coding agents to plan, write, and ship changes across codebases end-to-end, with support for any model and self-hosted deployment.
Open Source Alternative to:
Self-hosted AI agent for chat, automation, and workflows
Stars
49,838Last commit
5 hours agoLicense
MIT
Lightweight, self-hosted AI agent that runs in a web UI, terminal, or chat app, handling long-running workflows with controlled token budgets.
Open Source Alternative to:
AI-powered coding made simple and efficient
Stars
Stars growing quickly over the last 30 days47,064Last commit
5 hours agoLicense
MIT
Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.
Open Source Alternative to:
General-purpose AI agent for code, workflows, and more
Stars
56,238Last commit
16 hours agoLicense
Apache-2.0
Local AI agent with a desktop app, CLI, and API that connects to 15+ LLM providers and 70+ extensions for code, research, automation, and data tasks.
Open Source Alternative to:
Self-hosted AI runtime for text, voice, vision, and agents
Stars
50,210Last commit
5 hours agoLicense
MIT
Run LLMs, speech, image generation, and autonomous agents on your own hardware with an OpenAI-compatible API and 60+ swappable backends.
Open Source Alternative to:
Personal AI agent for messaging apps, containerized
Stars
31,086Last commit
7 hours agoLicense
MIT
Self-hosted AI agent that connects to WhatsApp, Telegram, Slack, and a dozen more messaging apps, running each agent in an isolated Docker container with credential injection via a secure vault.
Open Source Alternative to:
Run AI models locally or connect to cloud, privately
Stars
45,476Last commit
6 hours agoLicense
Apache-2.0
Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.
Open Source Alternative to:
Press a key, speak, release. Text appears instantly.
Stars
Stars growing quickly over the last 30 days37,570Last commit
3 days agoLicense
MIT
Cross-platform desktop app that transcribes your voice into any text field using a keyboard shortcut, with all processing done locally on your machine.
Open Source Alternative to:
Visual React editor with real-time code updates
Stars
27,118Last commit
15 days agoLicense
Apache-2.0
Onlook is an open-source desktop app that allows you to visually edit React applications and automatically write changes back to your code in real-time.
Open Source Alternative to:
Automate workflows with no-code integration platform
Stars
25,378Last commit
8 hours agoLicense
MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.
Open Source Alternative to:
24/7 screen and audio recorder with AI memory search
Stars
22,244Last commit
13 hours agoLicense
Other
Records your screen and microphone locally, transcribes meetings automatically, and exposes selected work context to compatible AI assistants through its MCP server and local API.
Open Source Alternative to:
Lightning-fast, typo-tolerant search engine for all
Stars
27,086Last commit
1 day agoLicense
GPL-3.0
Open-source search solution offering blazing speed, typo tolerance, and effortless scalability for developers and businesses.
Open Source Alternative to:
Run dozens of AI coding agents in parallel on your machine
Stars
Stars growing over the last 30 days15,945Last commit
6 hours agoLicense
MIT
Desktop app for macOS and Linux that orchestrates multiple AI coding agents simultaneously, each in its own isolated Git worktree, so you can work on many tasks at once.
Open Source Alternative to:
Streamline your business finances and operations
Stars
15,114Last commit
5 months agoLicense
AGPL-3.0
All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.
Open Source Alternative to:
Create powerful chatbots without coding
Stars
10,605Last commit
10 days agoLicense
Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.
Open Source Alternative to:
Design editor that opens Figma files, runs AI, and stays local
Stars
Stars growing over the last 30 days9,624Last commit
5 hours agoLicense
MIT
A Figma-compatible design editor with built-in AI chat, headless CLI, real-time P2P collaboration, and a Vue SDK for building custom editors. No account needed.
Open Source Alternative to:
AI-Powered Note Taking App
Stars
11,163Last commit
7 hours agoLicense
GPL-3.0
The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.
Open Source Alternative to:
AI-powered answer engine with dynamic interface generation
Stars
9,276Last commit
10 hours agoLicense
Apache-2.0
Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.
Open Source Alternative to:
Privacy-first CAPTCHA alternative with proof-of-work
Stars
Stars growing over the last 30 days8,254Last commit
7 days agoLicense
Apache-2.0
Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.
Open Source Alternative to:
Open-source legal AI that law firms control and extend
Stars
4,421Last commit
7 hours agoLicense
AGPL-3.0
Self-hostable alternative to Harvey and Legora with document analysis, contract drafting, tabular review, and reusable workflows. Zero licensing costs, full data control.
Open Source Alternative to:
Launch Your Store in Minutes, No Code Needed
Stars
5,538Last commit
23 hours agoLicense
MIT
Fast, modern e-commerce with instant setup and full customization. Powered by Stripe for seamless transactions.
Open Source Alternative to:
Feature-rich backend that runs anywhere you need it
Stars
3,780Last commit
5 days agoLicense
Apache-2.0
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.
Open Source Alternative to:
Lightweight code editor with agents, Git, and terminal built in
Stars
3,119Last commit
20 hours agoLicense
AGPL-3.0
Open-source code editor for macOS, Windows, and Linux that puts coding agents, terminal, Git, and GitHub in a single window.
Open Source Alternative to:
Stripe payments, usage tracking, and paywalls in 3 functions
Stars
2,832Last commit
14 days agoLicense
Apache-2.0
Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.
Open Source Alternative to:
Code with Claude, Codex, Gemini, and more in one workspace
Stars
Stars growing over the last 30 days2,171Last commit
10 hours agoLicense
MIT
Desktop coding workspace that connects to AI subscriptions you already have, with parallel agents, worktrees, one-click PRs, and multi-project management.
Open Source Alternative to:
Get audit-ready for SOC 2, ISO 27001, HIPAA, and GDPR
Stars
Stars growing over the last 30 days2,078Last commit
22 hours agoLicense
AGPL-3.0
AI-driven compliance platform that automates evidence collection, policy generation, and continuous monitoring across 580+ integrations for SOC 2, ISO 27001, HIPAA, and GDPR.
Open Source Alternative to:
OpenTelemetry observability with traces, logs, and metrics
Stars
Stars growing over the last 30 days1,945Last commit
11 hours agoLicense
Unknown
Observability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.
Open Source Alternative to:
Message your coding agents as bots from any device
Stars
Stars growing quickly over the last 30 days1,883Last commit
6 hours agoLicense
Apache-2.0
Run Claude Code, Codex, Cursor, and 40+ AI agents as persistent bots across iPhone, Mac, Windows, and Linux with group chats, approvals, and end-to-end encryption.
Open Source Alternative to:
Automated localization for modern development teams
Stars
2,032Last commit
6 months agoLicense
MIT
A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.
Open Source Alternative to:
Parallel AI agent workspaces with Git and project context
Stars
Stars growing over the last 30 days1,393Last commit
20 hours agoLicense
Apache-2.0
Run multiple AI coding agents in isolated Git worktrees, with cross-repo context, GitHub/Linear integrations, and support for Claude, Codex, Cursor, and more.
Open Source Alternative to:
Cross-system automation and knowledge base for accounting firms
Stars
1,722Last commit
6 months agoLicense
Unknown
Connects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.
Unify APIs, databases, and services effortlessly
Stars
1,285Last commit
7 hours agoLicense
Apache-2.0
A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.
Open Source Alternative to:
AI-powered automation that lives in your Slack workspace
Stars
1,098Last commit
6 months agoLicense
Apache-2.0
Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
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Bright Data
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