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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.

Favicon of Macro Chat

Macro Chat

Team chat with email, tasks, and docs in one workspace

  • Stars

    4,140

  • Last commit

    2 hours ago

  • License

    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:

Favicon of Discord
Discord
Favicon of Macro Tasks

Macro Tasks

Task management with GitHub sync and AI agents for devs

  • Stars

    4,140

  • Last commit

    2 hours ago

  • License

    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:

Favicon of Linear
Linear
Favicon of Macro CRM

Macro CRM

A self-building CRM powered by your email

  • Stars

    4,140

  • Last commit

    2 hours ago

  • License

    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:

Favicon of Attio
Attio
Favicon of Macro Mail

Macro Mail

Keyboard-first email client with AI, chat, and tasks

  • Stars

    4,140

  • Last commit

    2 hours ago

  • License

    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:

Favicon of Gmail
Gmail
Favicon of Macro Docs

Macro Docs

Markdown docs wired into tasks, email, and agents

  • Stars

    4,140

  • Last commit

    2 hours ago

  • License

    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:

Favicon of Notion
Notion
Favicon of Orca

Orca

AI
Run multiple AI coding agents in parallel, side by side

  • Stars

    58,239

  • Last commit

    2 hours ago

  • License

    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:

Favicon of Codex
Codex
Favicon of Buzz

Buzz

Team chat, project management, and AI agents in one place

  • Stars

    31,647

  • Last commit

    2 hours ago

  • License

    Apache-2.0
Workspace that combines team chat, project planning, and git management with AI agents that collaborate alongside your team on shared context.

Open Source Alternative to:

Favicon of Slack
Slack
Favicon of OpenSEO

OpenSEO

Self-hosted SEO platform for keyword, backlink, and rank tracking

  • Stars

    15,640

  • Last commit

    8 days ago

  • License

    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:

Favicon of Semrush
Semrush
Favicon of Kaneo

Kaneo

Simple, secure project management for development teams

  • Stars

    8,818

  • Last commit

    12 hours ago

  • License

    MIT
Self-hosted project management platform with visual task management, data privacy, and complete control over customization - built by developers for developers.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Rakazo

Rakazo

AI
Self-hosted AI agents that do real work on your machine

  • Stars

    1,640

  • Last commit

    2 hours ago

  • License

    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:

Favicon of Grok Bot
Grok Bot
Favicon of T3 Code

T3 Code

AI
AI-powered coding made simple and efficient

  • Stars

    21,175

  • Last commit

    2 hours ago

  • License

    MIT
Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.

Open Source Alternative to:

Favicon of Claude Code
Claude Code
Favicon of CRM

CRM

An agentic CRM that keeps records current automatically

  • Stars

    9,163

  • Last commit

    1 day ago

  • License

    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:

Favicon of Attio
Attio
Favicon of pi

pi

AI
Minimal terminal coding agent you can fully customize

  • Stars

    99,931

  • Last commit

    3 hours ago

  • License

    MIT
Terminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.

Open Source Alternative to:

Favicon of Claude Code
Claude Code
Favicon of FluidVoice

FluidVoice

AI
On-device voice dictation for macOS with adaptive AI

  • Stars

    11,113

  • Last commit

    14 hours ago

  • License

    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:

Favicon of Wispr Flow
Wispr Flow
Favicon of Flexprice

Flexprice

Open source metering and billing infrastructure for any pricing model

  • Stars

    4,636

  • Last commit

    3 hours ago

  • License

    AGPL-3.0
A flexible billing platform that handles usage-based metering, credit management, and subscription billing, giving developers full control over pricing models.

Open Source Alternative to:

Favicon of Stripe Billing
Stripe Billing
Favicon of Omnigent

Omnigent

AI
Common layer for composing and governing AI agents

  • Stars

    9,552

  • Last commit

    2 hours ago

  • License

    Apache-2.0
Meta-harness that sits above Claude Code, Codex, and other AI agents to add policy enforcement, sandboxing, and real-time collaborative sessions.

Open Source Alternative to:

Favicon of Polygraph
Polygraph
Favicon of OpenWork

OpenWork

AI
Multi-model AI workspace with org-wide skill sharing

  • Stars

    23,236

  • Last commit

    3 hours ago

  • License

    MIT
Desktop app for teams to run AI agents across 50+ LLMs, share skills and MCP servers org-wide, and automate browser tasks with your own keys.

Open Source Alternative to:

Favicon of Claude Cowork
Claude Cowork
Favicon of Paseo

Paseo

AI
Run coding agents from your phone, desktop, or terminal

  • Stars

    15,631

  • Last commit

    3 hours ago

  • License

    AGPL-3.0
Self-hosted orchestrator for coding agents like Claude Code, Codex, and Cursor, controlled from phone, desktop, web, or CLI.

Open Source Alternative to:

Favicon of Claude Code
Claude Code
Favicon of OpenWispr

OpenWispr

AI
Voice-to-text that works offline, privately, on any app

  • Stars

    5,905

  • Last commit

    2 hours ago

  • License

    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:

Favicon of Wispr Flow
Wispr Flow
Favicon of Pipeshub

Pipeshub

AI
Enterprise workplace AI with data you own and control

  • Stars

    3,698

  • Last commit

    3 hours ago

  • License

    Apache-2.0
Self-hostable enterprise AI platform that unifies business data across apps, powers a knowledge graph for cited answers, and lets teams build AI agents across their stack.

Open Source Alternative to:

Favicon of Glean
Glean
Favicon of Pullfrog

Pullfrog

AI
AI agent workflows built natively into GitHub

  • Stars

    1,099

  • Last commit

    3 days ago

  • License

    MIT
An open-source GitHub bot that runs AI agents to review PRs, triage issues, fix CI failures, and ship code using any LLM provider.

Open Source Alternative to:

Favicon of CodeRabbit
CodeRabbit
Favicon of Pluton

Pluton

Self-hosted encrypted backups with 70+ cloud storage options

  • Stars

    758

  • Last commit

    1 day ago

  • License

    Apache-2.0
Free, open-source backup solution with end-to-end encryption. Self-hosted control, supports 70+ cloud providers, automated incremental backups, and zero vendor lock-in.

Open Source Alternative to:

Favicon of Veeam
Veeam
Favicon of Multica

Multica

AI
Project management for teams mixing humans and AI agents

  • Stars

    48,405

  • Last commit

    8 hours ago

  • License

    Unknown
Open-source platform that manages coding agents as team members, with task queues, skill libraries, runtime monitoring, and a unified activity feed.

Open Source Alternative to:

Favicon of Linear
Linear
Favicon of Tabularis

Tabularis

Desktop SQL client with built-in MCP for AI agent access

  • Stars

    4,586

  • Last commit

    6 hours ago

  • License

    Apache-2.0
Desktop database client for PostgreSQL, MySQL/MariaDB, SQLite, and 14+ more databases, with a built-in MCP server, SQL notebooks, visual query builder, and a plugin system.

Open Source Alternative to:

Favicon of TablePlus
TablePlus
Favicon of Authentik

Authentik

Take control of your identity with a secure, flexible solution

  • Stars

    25,286

  • Last commit

    2 hours ago

  • License

    MIT
authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Open Source Alternative to:

Favicon of Auth0
Auth0
Favicon of Ever Gauzy

Ever Gauzy

Comprehensive open-source business management platform

  • Stars

    4,353

  • Last commit

    1 day ago

  • License

    AGPL-3.0
All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of LearnHouse

LearnHouse

Create, sell, and manage online courses with full control

  • Stars

    2,222

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Open-source LMS for building and selling courses with a block-based editor, built-in payments, AI tools, analytics, and white-labeling. Self-host or use the cloud.

Open Source Alternative to:

Favicon of Miro
Miro
Favicon of GitComet

GitComet

Fast, local-first Git GUI built in Rust

  • Stars

    787

  • Last commit

    3 hours ago

  • License

    AGPL-3.0
Open source Git GUI for Linux, macOS, and Windows, built in Rust for speed on large repositories with full diff, merge, and history tooling.

Open Source Alternative to:

Favicon of GitKraken
GitKraken
Favicon of Grok Build

Grok Build

AI
AI coding agent and CLI for complex terminal workflows

  • Stars

    26,286

  • Last commit

    3 hours ago

  • License

    Apache-2.0
Terminal-based coding agent powered by Grok 4.5 that plans, builds, tests, and deploys across any codebase with parallel subagents and plugin support.

Open Source Alternative to:

Favicon of Claude Code
Claude Code
Favicon of Firecrawl

Firecrawl

AI
Turn any website into clean, AI-ready data via API

  • Stars

    174,751

  • Last commit

    3 hours ago

  • License

    AGPL-3.0
API for AI agents to search, scrape, crawl, and interact with the live web, returning clean Markdown, structured JSON, or screenshots from any page.

Open Source Alternative to:

Favicon of Jina AI
Jina AI
Favicon of Frappe CRM

Frappe CRM

Open-source CRM that puts simplicity and control first

  • Stars

    3,440

  • Last commit

    8 hours ago

  • License

    AGPL-3.0
A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions.

Open Source Alternative to:

Favicon of Attio
Attio
Favicon of Hyvor Relay

Hyvor Relay

Open-source email API with enterprise deliverability

  • Stars

    881

  • Last commit

    5 days ago

  • License

    AGPL-3.0
Self-hosted email API alternative to AWS SES & Mailgun. Open-source AGPL-3.0 with enterprise features, automated deliverability, and cloud version coming 2026.

Open Source Alternative to:

Favicon of Resend
Resend
Favicon of OpenCut

OpenCut

Open source video editor that runs in your browser

  • Stars

    88,123

  • Last commit

    21 days ago

  • License

    MIT
Browser-based, open source video editor built for privacy. No installs, no account required, works on any platform.

Open Source Alternative to:

Favicon of CapCut
CapCut
Favicon of Bifrost

Bifrost

AI
Ultra-fast AI gateway with enterprise-grade reliability

  • Stars

    7,699

  • Last commit

    2 hours ago

  • License

    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:

Favicon of OpenRouter
OpenRouter
Favicon of Synara

Synara

AI
Code with Claude, Codex, Gemini, and more in one workspace

  • Stars

    1,627

  • Last commit

    8 hours ago

  • License

    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:

Favicon of Claude Code
Claude Code
Favicon of Invidious

Invidious

Watch YouTube without Google tracking you or showing ads

  • Stars

    23,507

  • Last commit

    3 days ago

  • License

    AGPL-3.0
Open source front-end for YouTube that strips out ads, tracking, and algorithmic distractions while letting you subscribe to channels and manage playlists.

Open Source Alternative to:

Favicon of YouTube
YouTube
Favicon of Handy

Handy

AI
Press a key, speak, release. Text appears instantly.

  • Stars

    30,748

  • Last commit

    18 hours ago

  • License

    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:

Favicon of Wispr Flow
Wispr Flow
Favicon of Meetily

Meetily

AI
Local AI meeting transcription with zero data leaving your device

  • Stars

    30,157

  • Last commit

    9 hours ago

  • License

    MIT
Records, transcribes, and summarizes meetings entirely on your device using local AI. No bots, no cloud uploads, GDPR and HIPAA compliant by design.

Open Source Alternative to:

Favicon of Granola
Granola
Favicon of TryPost

TryPost

Schedule posts to every major social network, self-hosted

  • Stars

    573

  • Last commit

    2 days ago

  • License

    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:

Favicon of Buffer
Buffer
Favicon of OpenPanel

OpenPanel

Cookie-free web and product analytics, self-hostable

  • Stars

    6,829

  • Last commit

    2 days ago

  • License

    AGPL-3.0
Open-source analytics platform covering web traffic, custom events, funnels, retention, session replay, and revenue tracking. GDPR-compliant with optional self-hosting.

Open Source Alternative to:

Favicon of Google Analytics
Google Analytics
Favicon of Temps

Temps

One self-hosted binary replaces Vercel, Sentry, and analytics tools

  • Stars

    703

  • Last commit

    2 hours ago

  • License

    Apache-2.0
Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.

Open Source Alternative to:

Favicon of Vercel
Vercel
Favicon of Spinifex

Spinifex

AWS-compatible cloud APIs on infrastructure you control

  • Stars

    104

  • Last commit

    6 hours ago

  • License

    AGPL-3.0
Spinifex recreates EC2, S3, EBS, VPC, IAM, and more on your own hardware, so AWS-built software runs unchanged without touching a hyperscaler.

Open Source Alternative to:

Favicon of Amazon Web Services
Amazon Web Services
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