Browse Trending Open Source Tools This Month
Open source tools gaining GitHub stars fastest over the last 30 days. Ranked by growth rate rather than raw star count, so genuine breakouts surface above established projects.
Run a team of AI agents together on your desktop
Stars
Stars growing quickly over the last 30 days7,165Last commit
9 hours agoLicense
Other
Desktop app that lets multiple AI agents collaborate as a team, using your existing ChatGPT, Claude, Gemini, or Grok plans, with workspaces and conversations stored locally.
Open Source Alternative to:
A team of AI agents in a chat app, on your own machine
Stars
Stars growing quickly over the last 30 days21,419Last commit
10 hours agoLicense
Apache-2.0
Run a team of AI agents locally on your own API keys and subscriptions, with scheduled tasks, computer use, and Gmail, GitHub and Slack integrations.
Open Source Alternative to:
AI-powered coding made simple and efficient
Stars
Stars growing quickly over the last 30 days57,442Last commit
9 hours agoLicense
MIT
Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.
Open Source Alternative to:
Message your coding agents as bots from any device
Stars
Stars growing quickly over the last 30 days2,052Last commit
9 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:
Self-hosted AI agents that do real work on your machine
Stars
Stars growing quickly over the last 30 days8,019Last commit
11 hours agoLicense
Apache-2.0
Run persistent AI bots that sign into your tools, complete tasks autonomously, and ask for approval when needed. Your keys, your model, your infrastructure.
Open Source Alternative to:
Self-hosted CRM for business development teams
Stars
931Last commit
17 hours agoLicense
MIT
Pipeline management, deal workspace, contacts, and two-way Gmail for BD teams. Runs on your own infrastructure, MIT licensed, no per-seat fees.
Open Source Alternative to:
Issue tracker where people and AI agents share one board
Stars
Stars growing quickly over the last 30 days2,280Last commit
17 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:
Run multiple AI coding agents in parallel, side by side
Stars
Stars growing quickly over the last 30 days122,728Last commit
9 hours agoLicense
MIT
Agent Development Environment that runs Claude Code, Codex, Gemini, and other CLI agents in parallel across isolated git worktrees, with terminals, browser, diff review, and git tools built in.
Open Source Alternative to:
Chromium browser built for sharing with AI agents
Stars
Stars growing quickly over the last 30 days22,608Last commit
9 hours agoLicense
MIT
A Chromium-based browser that lets AI agents like Claude Code and Codex run web automation using your real logged-in sessions, without interrupting your browsing.
Open Source Alternative to:
Task management with GitHub sync and AI agents for devs
Stars
Stars growing quickly over the last 30 days6,266Last commit
9 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 days6,266Last commit
9 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 days6,266Last commit
9 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 days6,266Last commit
9 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 days6,266Last commit
9 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:
Lightroom-compatible RAW editor, no subscription
Stars
Stars growing quickly over the last 30 days1,668Last commit
9 hours agoLicense
MIT
Non-destructive RAW photo editor for macOS, Linux, and Windows that reads Lightroom catalogs, presets, and camera profiles. Free, MIT licensed, built in Rust.
Open Source Alternative to:
The personal finance app for everyone
Stars
Stars growing quickly over the last 30 days13,242Last commit
10 hours agoLicense
AGPL-3.0
An all-in-one personal finance platform. Track, optimize, grow, and manage your money through every stage of life.
Open Source Alternative to:
A verified workspace where AI agents store and build knowledge
Stars
Stars growing quickly over the last 30 days816Last commit
15 hours agoLicense
MIT
Busabase gives AI agents a shared database, knowledge base, and skills registry where every proposed change goes through human review before becoming canonical data.
Open Source Alternative to:
Voice-to-text that works offline, privately, on any app
Stars
Stars growing quickly over the last 30 days11,380Last commit
10 hours agoLicense
MIT
Dictation app powered by OpenAI Whisper and NVIDIA Parakeet. Runs locally on macOS, Windows, and Linux with zero data retention and 100+ language support.
Open Source Alternative to:
Open-source newsletter app billed by emails sent
Stars
Stars growing quickly over the last 30 days1,678Last commit
6 days agoLicense
AGPL-3.0
Newsletter platform billed by emails sent, not list size, with scheduling, a public website, AI agent access and deliverability tools from $19 a month.
Open Source Alternative to:
Local AWS emulator with no account, gates, or paid tiers
Stars
Stars growing quickly over the last 30 days31,505Last commit
13 hours agoLicense
MIT
Run AWS services locally in development and CI without an account, quotas, or feature restrictions. MIT licensed, no telemetry.
Open Source Alternative to:
Self-hosted SEO platform for keyword, backlink, and rank tracking
Stars
Stars growing quickly over the last 30 days27,405Last commit
23 hours agoLicense
MIT
Manage keyword research, backlink analysis, competitor monitoring, and rank tracking without expensive SaaS subscriptions. Self-hostable, MIT-licensed, uses DataForSEO.
Open Source Alternative to:
Fast, AI-native web browser built for automation and scraping
Stars
Stars growing quickly over the last 30 days41,932Last commit
9 hours agoLicense
AGPL-3.0
Purpose-built headless browser that delivers 10x faster performance and 10x lower memory usage compared to Chrome headless for web automation and AI workflows.
Open Source Alternative to:
Run coding agents from your phone, desktop, or terminal
Stars
Stars growing quickly over the last 30 days23,860Last commit
22 hours agoLicense
Apache-2.0
Self-hosted orchestrator for coding agents like Claude Code, Codex, and Cursor, controlled from phone, desktop, web, or CLI.
Open Source Alternative to:
Press a key, speak, release. Text appears instantly.
Stars
Stars growing quickly over the last 30 days38,485Last commit
1 day 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:
One API to deploy and run agents on any model or machine
Stars
Stars growing quickly over the last 30 days3,388Last commit
10 hours agoLicense
Apache-2.0
Production-ready agent infrastructure that handles state, machines, permissions, and history so you don't have to build the platform yourself.
Open Source Alternative to:
Org chart, budgets, and governance for AI agent teams
Stars
Stars growing quickly over the last 30 days113,246Last commit
9 hours agoLicense
MIT
Manages teams of AI agents across business functions with org charts, goal alignment, cost tracking, ticket tracing, and board-level governance controls.
Open Source Alternative to:
Schedule, analyze, and manage 30+ social media accounts
Stars
Stars growing quickly over the last 30 days41,411Last commit
10 hours agoLicense
AGPL-3.0
Self-hostable social media scheduler that lets you plan, generate, and publish content across 30+ networks with AI assistance, team collaboration, and automation integrations.
Open Source Alternative to:
Free, open-source image editor built for Mac compositing
Stars
Stars growing quickly over the last 30 days18,622Last commit
5 days agoLicense
MIT
Mac-native Photoshop alternative built around compositing and post-processing workflows, with layers, masks, blend modes, filters, and background removal.
Open Source Alternative to:
Self-hostable omnichannel chatbot platform for agencies
Stars
Stars growing quickly over the last 30 days1,107Last commit
10 hours agoLicense
MIT
Open source agentic chat marketing platform you can self-host, white-label, and resell. Automate omnichannel conversations across WhatsApp, Messenger, Instagram, Telegram, Zalo, TikTok, Email, and Webchat with a flow builder, shared inbox, AI agents, CRM, and broadcasts.
Open Source Alternative to:
Self-hosted AI visibility tracking for your brand
Stars
Stars growing quickly over the last 30 days594Last commit
15 hours agoLicense
MIT
Tracks how ChatGPT, Gemini, Claude, Perplexity, and other AI engines mention your brand, which competitors appear, and which sources get cited.
Open Source Alternative to:
Graph database built for GraphRAG and multi-tenant AI apps
Stars
Stars growing over the last 30 days10,513Last commit
9 hours agoLicense
SSPL-1.0
Graph database using sparse matrix representation and linear algebra to deliver ultra-low latency Cypher queries, native multi-tenancy, and built-in GraphRAG support for AI applications.
Open Source Alternative to:
Schedule posts to every major social network, self-hosted
Stars
Stars growing quickly over the last 30 days854Last commit
3 days agoLicense
AGPL-3.0
Plan, schedule, and auto-publish social media content across 10+ networks with a visual calendar, AI captions, team approvals, and self-hosting support.
Open Source Alternative to:
Track and improve your brand's visibility in AI search
Stars
Stars growing quickly over the last 30 days238Last commit
10 hours agoLicense
MIT
Monitors how your brand appears across ChatGPT, Perplexity, Google AI Overviews, and other AI platforms, then turns those insights into prioritized content and optimization actions.
Open Source Alternative to:
Design editor that opens Figma files, runs AI, and stays local
Stars
Stars growing over the last 30 days9,804Last commit
9 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:
Build stateful backends with in-memory actors
Stars
Stars growing over the last 30 days6,867Last commit
16 hours agoLicense
Apache-2.0
Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities, and horizontal scaling.
Open Source Alternative to:
An agentic IDE that can control and automate itself
Stars
Stars growing over the last 30 days5,374Last commit
11 hours agoLicense
MIT
Local-first IDE that runs multiple AI coding agents in parallel, supports plugins built in a single prompt, and lets any script or bot spawn work threads.
Open Source Alternative to:
Ultra-fast AI gateway with enterprise-grade reliability
Stars
Stars growing over the last 30 days9,511Last commit
9 hours agoLicense
Apache-2.0
Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.
Open Source Alternative to:
Fast grammar checking that respects your privacy
Stars
Stars growing over the last 30 days17,624Last commit
9 hours agoLicense
Apache-2.0
Open source grammar checker that analyzes your writing quickly while keeping your data completely private and secure on your device.
Open Source Alternative to:
Feature flags and remote config for rapid deployment
Stars
Stars growing over the last 30 days7,124Last commit
14 hours agoLicense
BSD-3-Clause
Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.
Open Source Alternative to:
On-device voice dictation for macOS with adaptive AI
Stars
Stars growing over the last 30 days12,970Last commit
19 hours agoLicense
GPL-3.0
Free, open-source macOS dictation app that transcribes speech locally, polishes output with an on-device AI model, and adapts tone to whichever app you're typing into.
Open Source Alternative to:
Run dozens of AI coding agents in parallel on your machine
Stars
Stars growing over the last 30 days16,239Last commit
12 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:
Screen recorder with instant sharing and a built-in editor
Stars
Stars growing over the last 30 days24,893Last commit
9 hours agoLicense
AGPL-3.0
Record your screen in Instant, Studio, or Screenshot mode, then share via a link with auto-generated transcripts, chapters, and summaries.
Open Source Alternative to:
InfluxDB – The purpose-built time series platform for high-velocity ingestion and real-time queries at scale.
c15t
CodeRabbit
Stellar Hosted