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.
Fast grammar checking that respects your privacy
Stars
16,338Last commit
17 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:
Schedule posts to every major social network, self-hosted
Stars
702Last commit
11 hours 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:
AI agent workflows built natively into GitHub
Stars
1,304Last commit
2 days agoLicense
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:
Open-source CRM that puts simplicity and control first
Stars
3,784Last commit
7 hours agoLicense
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:
Project management for teams mixing humans and AI agents
Stars
52,641Last commit
7 hours agoLicense
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:
Build product integrations with 500+ APIs in hours
Stars
12,632Last commit
7 hours agoLicense
Elastic-2.0
Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.
Open Source Alternative to:
The personal finance app for everyone
Stars
10,496Last commit
7 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:
One interface for all your AI models and conversations
Stars
45,608Last commit
7 hours agoLicense
MIT
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Open Source Alternative to:
Open-source CRM toolkit for personalized solutions
Stars
1,370Last commit
1 day agoLicense
MIT
Build a customizable CRM that matches your company's vision, designed for developers and loved by end users.
Open Source Alternative to:
Route GenAI traffic with confidence using open source
Stars
2,220Last commit
17 hours agoLicense
Apache-2.0
Open source gateway built on Envoy for routing application traffic to GenAI services. Supports 16+ LLM providers including OpenAI, Anthropic, AWS Bedrock.
Open Source Alternative to:
Organize, collaborate, and conquer your tasks
Stars
5,710Last commit
12 hours agoLicense
AGPL-3.0
A powerful, open-source task management platform for teams and individuals, offering customizable workflows and seamless integration.
Open Source Alternative to:
Open source video editor that runs in your browser
Stars
93,932Last commit
19 days agoLicense
MIT
Browser-based, open source video editor built for privacy. No installs, no account required, works on any platform.
Open Source Alternative to:
Local voice dictation with AI enhancement for macOS
Stars
6,773Last commit
12 days agoLicense
GPL-3.0
Privacy-first dictation app for Apple Silicon Macs that transcribes speech locally, cleans up output with AI, and auto-switches settings per app.
Open Source Alternative to:
One self-hosted binary replaces Vercel, Sentry, and analytics tools
Stars
837Last commit
7 hours agoLicense
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:
Declarative workflow orchestration for data, AI, and infra
Stars
29,532Last commit
7 hours agoLicense
Apache-2.0
YAML-based orchestration platform with 1400+ plugins for running data pipelines, AI workflows, and infrastructure automation across teams at scale.
Open Source Alternative to:
Open-source file storage with complete data sovereignty
Stars
1,901Last commit
16 hours agoLicense
AGPL-3.0
Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.
Open Source Alternative to:
Fast, local-first Git GUI built in Rust
Stars
918Last commit
7 hours agoLicense
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:
Spaced repetition flashcards that remember for you
Stars
31,974Last commit
1 day agoLicense
Unknown
Flashcard app using spaced repetition to schedule reviews at the exact moment you're likely to forget, so you retain more with less study time.
Open Source Alternative to:
Desktop SQL client with built-in MCP for AI agent access
Stars
5,199Last commit
7 hours agoLicense
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:
Mac cleaner, app manager, and system monitor in one
Stars
70,138Last commit
11 hours agoLicense
GPL-3.0
Native macOS app that cleans caches, uninstalls apps with leftovers, maps disk usage, and shows live system metrics. One-time purchase, lifetime updates.
Open Source Alternative to:
AI-native CRM/ERP foundation with 80% already built
Stars
1,848Last commit
7 hours agoLicense
MIT
A modular CRM/ERP framework built on Next.js and TypeScript that encodes hundreds of architectural decisions so dev teams can ship production features in days, not months.
Open Source Alternative to:
Screen recorder with instant sharing and a built-in editor
Stars
23,255Last commit
7 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:
Self-hosted CRM with built-in AI chat and agent tools
Stars
1,764Last commit
20 hours agoLicense
AGPL-3.0
Open-source CRM with a built-in AI assistant, 37 MCP tools for external agents, custom fields, role-based permissions, and a REST API. No per-seat pricing.
Open Source Alternative to:
Flexible billing infrastructure for modern SaaS
Stars
1,327Last commit
4 days agoLicense
AGPL-3.0
Open-source pricing and billing platform that helps SaaS companies launch, test, and scale complex billing models with ease. Features metering, invoicing, and real-time data.
Open Source Alternative to:
AI code review that learns your team's standards
Stars
1,472Last commit
16 hours agoLicense
AGPL-3.0
Open source AI code reviewer that analyzes pull requests for quality, security, and performance while respecting your existing rules and model preferences.
Open Source Alternative to:
On-device voice dictation for macOS with adaptive AI
Stars
12,035Last commit
7 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:
Privacy-first browser with ad-blocking and no bloat
Stars
21,529Last commit
19 hours agoLicense
GPL-3.0
Chromium-based desktop browser with default ad and tracker blocking, no analytics, native !bangs, split view, and full MV2 extension support.
Open Source Alternative to:
Unify vector search and graph traversals in one database
Stars
6,193Last commit
1 day agoLicense
Apache-2.0
Rust-built native graph-vector database combining vector similarity search and graph traversals. 10x faster development with unified architecture, sub-1ms queries.
Open Source Alternative to:
Convert wearable data into actionable health insights with open algorithms
Stars
2,644Last commit
7 hours agoLicense
MIT
Self-hosted health intelligence platform with open algorithms, AI reasoning engine, and zero per-user fees. Connect Apple Health, Whoop, Garmin, Oura, and more.
Open Source Alternative to:
Self-hosted encrypted backups with 70+ cloud storage options
Stars
853Last commit
1 month agoLicense
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:
LLM gateway for auth, load balancing, and spend tracking
Stars
61,118Last commit
7 hours agoLicense
Unknown
Acts as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.
Open Source Alternative to:
Self-hosted AI coding agent that opens real PRs
Stars
286Last commit
8 hours agoLicense
FCL-1.0
Source-available, self-hosted AI coding agent that connects to your repo, tools, and chat to investigate issues and open reviewable PRs on your own infrastructure.
Open Source Alternative to:
Managed compliance for SOC 2, ISO 27001, HIPAA, and more
Stars
1,451Last commit
17 hours agoLicense
MIT
Compliance management platform where dedicated compliance officers handle your entire program, from risk assessments to audit coordination, with automated evidence collection.
Open Source Alternative to:
Simple, secure project management for development teams
Stars
9,464Last commit
16 hours agoLicense
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:
No-code database and app builder you can self-host
Stars
6,142Last commit
8 hours agoLicense
MIT
Open-source platform for building databases, internal apps, and automated workflows without writing code. Available on cloud or self-hosted.
Open Source Alternative to:
Open source payment orchestrator for global transactions
Stars
45,315Last commit
7 hours agoLicense
Apache-2.0
A unified payment infrastructure that connects multiple payment processors through a single API integration, enabling global payment processing
Open Source Alternative to:
Watch YouTube without Google tracking you or showing ads
Stars
25,397Last commit
2 days agoLicense
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:
Passwordless OIDC provider built for self-hosters
Stars
9,567Last commit
2 days agoLicense
BSD-2-Clause
Self-hostable OpenID Connect and OAuth 2.0 provider that lets users sign in to any OIDC-compatible app using passkeys instead of passwords.
Open Source Alternative to:
Self-hosted SERP API for Google, Bing, Yandex, and more
Stars
1,468Last commit
15 days agoLicense
MIT
Query Google, Bing, Yandex, Baidu, DuckDuckGo, and Ecosia through one REST API. Self-host free under MIT, or use the managed cloud option.
Open Source Alternative to:
Stripe payments, usage tracking, and paywalls in 3 functions
Stars
2,815Last commit
8 hours 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:
Programmable notes with queries, Lua scripting, and wiki links
Stars
6,303Last commit
8 hours agoLicense
MIT
A self-hosted, browser-based note-taking system that turns plain Markdown pages into a queryable, scriptable knowledge base you control.
Open Source Alternative to:
Schedule, analyze, and manage 30+ social media accounts
Stars
37,114Last commit
12 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:
Bright Data – Web data for AI agents and apps. Built-in unblocking, proxies, and ready-made APIs.
InfluxDB
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