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.
Simplify your workflow with offline Kanban boards
Stars
2,051Last commit
15 hours agoLicense
GPL-3.0
Kanri is a free, open-source personal Kanban app that works offline, offering a modern and simple experience while respecting your privacy.
Open Source Alternative to:
AI governance made simple, secure, and compliant
Stars
362Last commit
8 hours agoLicense
AGPL-3.0
Open-source AI governance platform helping teams meet regulatory standards like EU AI Act and ISO 42001. Monitor model performance, manage risks, and maintain compliance with enterprise-grade security.
Open Source Alternative to:
Self-hosted AI agent for chat, automation, and workflows
Stars
48,989Last commit
9 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:
The open-source, affordable email platform
Stars
5,518Last commit
2 days agoLicense
AGPL-3.0
Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.
Open Source Alternative to:
Secure and elegant Matrix client for seamless conversations
Stars
3,934Last commit
8 days agoLicense
AGPL-3.0
Cinny offers a simple, elegant, and secure interface for Matrix-based conversations, protected by end-to-end encryption.
Open Source Alternative to:
AI workspace for docs, projects, and wikis you control
Stars
77,280Last commit
5 days agoLicense
AGPL-3.0
Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open Source Alternative to:
Offline voice dictation that types into any app
Stars
732Last commit
19 hours agoLicense
AGPL-3.0
Dictate into any app on Mac or Windows using on-device AI models. One-time purchase, 99+ languages, no subscription required.
Open Source Alternative to:
Build reliable AI apps with comprehensive observability
Stars
6,215Last commit
4 days agoLicense
Apache-2.0
Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.
Open Source Alternative to:
Privacy-first knowledge management with block-level linking
Stars
46,741Last commit
8 hours agoLicense
AGPL-3.0
Personal knowledge management system with WYSIWYG block editing, bidirectional links, spaced repetition flashcards, a relational database, and end-to-end encrypted sync.
Open Source Alternative to:
Unified observability database for metrics, logs, and traces
Stars
6,732Last commit
8 hours agoLicense
Apache-2.0
Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.
Open Source Alternative to:
Organize terminal sessions with built-in layouts, tabs, and panes
Stars
35,715Last commit
1 day agoLicense
MIT
A terminal multiplexer that organizes your workflow with intuitive layouts, tabs, and panes. Includes batteries for seamless terminal workspace management.
Open Source Alternative to:
Fast, secure, and privacy-focused web browsing
Stars
408Last commit
7 days agoLicense
MPL-2.0
Midori Browser is a lightweight, fast, and secure browser that protects users' privacy, available for Windows, Linux, and Android.
Open Source Alternative to:
Transform SQL into beautiful data stories
Stars
7,003Last commit
4 days agoLicense
MIT
Create data-driven websites and reports using SQL and Markdown, with automatic visualizations and interactive elements.
Open Source Alternative to:
Unified file management for your enterprise storage
Stars
14,793Last commit
8 hours agoLicense
AGPL-3.0
Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.
Open Source Alternative to:
Craft rich text experiences with ease
Stars
38,701Last commit
1 day agoLicense
MIT
A customizable, open-source rich text editor framework for modern web applications, built on Vue and Prosemirror
Unify data models and metrics across your entire stack
Stars
21,000Last commit
11 hours agoLicense
Unknown
Cube is a universal semantic layer that connects data sources to analytics tools, providing consistent definitions and fast queries.
Open Source Alternative to:
Blazing-fast in-memory data store for modern applications
Stars
31,782Last commit
8 hours agoLicense
Unknown
Dragonfly is a high-performance, Redis-compatible in-memory data store that delivers up to 25x more throughput and 80% lower costs than legacy solutions.
Open Source Alternative to:
The definitive self-hosted URL shortener
Stars
5,335Last commit
17 hours agoLicense
MIT
Keep control over all your shortened URLs by serving them under your own domains with this simple yet powerful tool.
Open Source Alternative to:
Open-source coding agent for your IDE and terminal
Stars
36,206Last commit
18 hours agoLicense
Apache-2.0
Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.
Open Source Alternative to:
Zero Trust VPN solutions for secure business networking
Stars
14,672Last commit
19 hours agoLicense
Unknown
Secure remote access VPN solutions with zero trust network access. Self-hosted and cloud-managed options for businesses of all sizes. Trusted by 20,000+ organizations.
Open Source Alternative to:
Self-hosted Git service for seamless collaboration
Stars
58,463Last commit
8 hours agoLicense
MIT
A lightweight, fast, and customizable Git service that simplifies code hosting and collaboration for teams of all sizes.
Open Source Alternative to:
Fast, collaborative wiki for teams who need organized docs
Stars
40,877Last commit
11 hours agoLicense
BUSL-1.1
Team knowledge base with real-time collaboration, AI-powered search, Slack integration, and self-hosting support for internal docs and wikis.
Open Source Alternative to:
Effortlessly manage events and sell tickets online
Stars
4,061Last commit
8 hours agoLicense
Unknown
Hi.Events is a comprehensive platform for event management and online ticket sales, offering features like QR code check-in, custom ticket types, and embeddable widgets.
Open Source Alternative to:
Local-first 2FA authenticator and password manager
Stars
1,534Last commit
7 days agoLicense
GPL-3.0
Open-source authenticator and password manager that stores 2FA tokens and passwords locally on your device, with zero-knowledge encryption and no account required.
Open Source Alternative to:
Inspect, debug, and replay BullMQ queues visually
Stars
451Last commit
4 months agoLicense
MIT
Desktop app and embeddable dashboard for BullMQ that shows live queue metrics, job runs, FlowProducer graphs, and scheduler status without touching Redis directly.
Open Source Alternative to:
Own your SES email analytics, from send to inbox
Stars
939Last commit
7 days agoLicense
Unknown
Track SES deliveries, bounces, opens and clicks in a self-hosted dashboard with real-time search, analytics and reputation monitoring.
Open Source Alternative to:
Track coding time across 70+ editors, completely free
Stars
214Last commit
6 days agoLicense
MIT
Free, open-source coding time tracker compatible with VS Code, JetBrains IDEs, vim, emacs and more. No limits, no paywalls - your data stays yours forever.
Open Source Alternative to:
Automate any website workflow with AI and computer vision
Stars
23,190Last commit
8 hours agoLicense
AGPL-3.0
Transform manual browser tasks into automated workflows using AI. Handle complex forms, CAPTCHAs, 2FA, and data extraction across any website at scale.
Open Source Alternative to:
Flexible e-commerce for modern businesses
Stars
8,512Last commit
23 hours agoLicense
MIT
A headless, API-first e-commerce framework built on Node.js with TypeScript, offering customization and scalability for online stores.
Open Source Alternative to:
Self-hosted AI runtime for text, voice, vision, and agents
Stars
49,505Last commit
8 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:
Unlock data insights with powerful, user-friendly analytics
Stars
49,636Last commit
8 hours agoLicense
Unknown
Open-source business intelligence platform for data exploration, visualization, and sharing. Empowers teams to make data-driven decisions effortlessly.
Open Source Alternative to:
Modern desktop accounting made simple and free
Stars
4,999Last commit
11 days agoLicense
AGPL-3.0
A user-friendly desktop accounting software that helps businesses manage invoices, track expenses, and handle bookkeeping with a modern interface.
Open Source Alternative to:
Open blueprints for governed, always-on AI agents
Stars
22,725Last commit
8 hours agoLicense
Apache-2.0
Collection of open blueprints combining models, agent harnesses, and runtime controls to deploy specialized autonomous AI agents with policy-based guardrails.
Open Source Alternative to:
Open-source document sharing with powerful analytics
Stars
9,246Last commit
2 months agoLicense
AGPL-3.0
Secure, customizable platform for sharing documents and tracking engagement. Perfect for sales teams, marketers, and businesses.
Open Source Alternative to:
Private AI chat with zero-access encryption
Stars
5,637Last commit
11 hours agoLicense
GPL-3.0
AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.
Open Source Alternative to:
Browser and notebook combined with local-first AI
Stars
3,601Last commit
2 months agoLicense
Apache-2.0
A browser that doubles as a personal notebook, letting you research, summarize, and take notes on web pages, PDFs, and videos without switching apps.
Open Source Alternative to:
AI assistant that enhances enterprise knowledge management
Stars
22,961Last commit
8 hours agoLicense
GPL-3.0
Open-source AI solution combining RAG pipelines, workflow automation, and multi-model support for intelligent enterprise knowledge management and customer service.
Open Source Alternative to:
Open-source email marketing for the privacy-conscious
Stars
2,234Last commit
11 days agoLicense
AGPL-3.0
Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.
Open Source Alternative to:
Open-source observability platform for cloud-native apps
Stars
32,344Last commit
8 hours agoLicense
MIT
Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.
Open Source Alternative to:
Firefox fork hardened for privacy, security, and freedom
Stars
1,338Last commit
15 hours agoLicense
Unknown
A Firefox-based browser that strips telemetry, blocks trackers, disables DRM, and ships with a content blocker out of the box.
Open Source Alternative to:
Open source security automation platform for builders
Stars
3,836Last commit
11 hours agoLicense
AGPL-3.0
Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.
Open Source Alternative to:
Sell tickets for events, conferences, and exhibitions
Stars
2,542Last commit
1 day agoLicense
Unknown
Full-stack ticketing platform covering online shop, point of sale, access control, and hardware for events of any size or industry.
Open Source Alternative to:
Bright Data – Web data for AI agents and apps. Built-in unblocking, proxies, and ready-made APIs.
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InfluxDB