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.
Open source CMS with powerful drag-and-drop builder
Stars
1,201Last commit
2 months agoLicense
AGPL-3.0
Vvveb is a feature-rich open source CMS for building websites, blogs, and ecommerce stores with an intuitive drag-and-drop interface.
Open Source Alternative to:
Create engaging product tours and user onboarding experiences
Stars
2,324Last commit
7 hours agoLicense
AGPL-3.0
Open-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding
Open Source Alternative to:
Encrypted note-taking that syncs across all your devices
Stars
56,712Last commit
19 hours agoLicense
Unknown
Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.
Open Source Alternative to:
Serverless backend platform for modern app development
Stars
9,356Last commit
10 hours agoLicense
MIT
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.
Open Source Alternative to:
Unify, automate, and elevate your monitoring workflow
Stars
12,397Last commit
15 days agoLicense
MIT
Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.
Open Source Alternative to:
Free, open-source framework for cross-platform game development
Stars
14,512Last commit
2 days agoLicense
Unknown
Build games in C# that run on Windows, macOS, Linux, iOS, Android, and major consoles. No royalties, no subscriptions, no runtime fees.
Open Source Alternative to:
Secure password management for teams
Stars
6,160Last commit
5 days agoLicense
AGPL-3.0
Open source password manager focused on security, collaboration and privacy for organizations
Open Source Alternative to:
Full-stack observability without code changes
Stars
7,968Last commit
19 hours agoLicense
Apache-2.0
Coroot simplifies system monitoring by providing metrics, logs, traces, and profiling with zero instrumentation, leveraging eBPF technology.
Open Source Alternative to:
AI-Powered Note Taking App
Stars
11,083Last commit
2 months 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:
Collect, transform, and route logs and metrics in one tool
Stars
22,694Last commit
1 day agoLicense
MPL-2.0
Rust-built observability pipeline tool that collects, transforms, and routes logs and metrics across 47 sources and 62 sinks with no runtime dependencies.
Open Source Alternative to:
GitOps orchestration for infrastructure as code
Stars
1,295Last commit
1 day agoLicense
MPL-2.0
Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.
Open Source Alternative to:
Open-source personal finance management tool
Stars
2,946Last commit
15 days agoLicense
GPL-3.0
Self-hosted alternative to Mint and YNAB for budgeting and building wealth while maintaining full control of your financial data.
Open Source Alternative to:
Open-source data integration for modern stacks
Stars
5,107Last commit
23 hours agoLicense
MIT
Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.
Open Source Alternative to:
Monitor, manage, and communicate service status effortlessly
Stars
988Last commit
2 years agoLicense
MIT
A powerful open-source status page system for real-time incident tracking, maintenance updates, and transparent communication with users.
Open Source Alternative to:
Track gear, bookings, and inventory without spreadsheets
Stars
3,030Last commit
7 hours agoLicense
AGPL-3.0
Open source asset management platform for teams to track equipment, manage bookings, prevent double-bookings, and handle custody and audits across locations.
Open Source Alternative to:
AI-powered grammar checker for 30+ languages
Stars
15,126Last commit
8 hours agoLicense
LGPL-2.1
Check grammar, punctuation, and spelling errors instantly with AI-powered technology. Supports 30+ languages with browser extensions and desktop apps.
Open Source Alternative to:
Take control of your finances, paycheck by paycheck
Stars
689Last commit
10 hours agoLicense
FSL-1.1-MIT
Manage your money confidently with monetr, putting aside what you need and spending what you want
Open Source Alternative to:
Design, prototype, and test user experiences with ease
Stars
2,733Last commit
2 days agoLicense
GPL-3.0
Quant-UX is an open-source tool for creating interactive prototypes, conducting user tests, and analyzing results to improve UX design.
Open Source Alternative to:
High-performance vector database for GenAI applications
Stars
46,368Last commit
8 hours agoLicense
Apache-2.0
Open-source vector database optimized for similarity search, scaling to billions of vectors with minimal performance loss
Open Source Alternative to:
Simplify expense management for businesses of all sizes
Stars
5,058Last commit
7 hours agoLicense
MIT
Automate expense reporting, reimbursements, and corporate card management with real-time data sync and powerful integrations.
Open-source backend in a single file
Stars
61,387Last commit
24 hours agoLicense
MIT
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.
Open Source Alternative to:
An AI assistant that acts, not just answers
Stars
391,824Last commit
7 hours agoLicense
MIT
A personal AI assistant that connects to your existing chat apps and handles real tasks like email, calendar, and flight check-ins on your behalf.
Open Source Alternative to:
High-performance API gateway with built-in LLM support
Stars
17,215Last commit
8 hours agoLicense
Apache-2.0
Apache APISIX is an open-source API gateway built on NGINX and etcd, offering dynamic routing, 100+ plugins, load balancing, authentication, and traffic management for APIs and LLM workloads.
Open Source Alternative to:
Create, edit and share documents with real-time collaboration
Stars
16,914Last commit
8 hours agoLicense
MIT
Transform document collaboration with real-time editing, version control, and secure sharing features that enhance team productivity and communication.
Open Source Alternative to:
Free database manager for SQL databases and beyond
Stars
52,035Last commit
8 hours agoLicense
Apache-2.0
Cross-platform database management tool for exploring, editing, and querying SQL databases including MySQL, PostgreSQL, SQLite, MariaDB, and more.
Open Source Alternative to:
Self-hosted CRM for enhanced business relationships
Stars
24,001Last commit
4 days agoLicense
MIT
Open source customer relationship management platform with sales tracking, marketing automation, and customizable workflows for businesses of all sizes.
Open Source Alternative to:
Build powerful AI knowledge bases with ease
Stars
29,806Last commit
7 hours agoLicense
Unknown
FastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.
Open Source Alternative to:
Modern kanban that's fast, fun, and refreshingly simple
Stars
8,245Last commit
18 hours agoLicense
Unknown
Track issues, ideas, and projects with a modern kanban board that's fast and straightforward. Free for 1000 cards, then $20/month for unlimited use.
Open Source Alternative to:
Personal AI agent for messaging apps, containerized
Stars
30,935Last commit
1 day 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:
Visual builder for AI agents and RAG pipelines
Stars
155,582Last commit
13 hours agoLicense
MIT
Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.
Open Source Alternative to:
AI-powered PIM for managing product catalogs at scale
Stars
11,024Last commit
10 hours agoLicense
MIT
Open source Product Information Management system with an AI agent for catalog enrichment, bulk updates, multilingual content, and omnichannel distribution.
Open Source Alternative to:
Feature flags and remote config for rapid deployment
Stars
6,591Last commit
8 hours agoLicense
BSD-3-Clause
Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.
Open Source Alternative to:
Organized team chat for distributed teams
Stars
26,037Last commit
12 hours agoLicense
Apache-2.0
Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.
Open Source Alternative to:
Secure, private, and decentralized file storage
Stars
2,534Last commit
9 hours agoLicense
AGPL-3.0
A peer-to-peer encrypted filesystem for secure file storage, sharing, and collaboration with end-to-end encryption and user-controlled data.
Open Source Alternative to:
Self-hosted Kanban board with real-time collaboration
Stars
12,615Last commit
18 hours agoLicense
Unknown
Self-hosted Kanban board for agile teams. Unlimited boards, real-time sync, GDPR-compliant, and available as a free Community Edition or paid Pro.
Open Source Alternative to:
Private, secure video calls with no account needed
Stars
30,074Last commit
12 hours agoLicense
Apache-2.0
Host encrypted video conferences directly in your browser, deploy on your own servers, or integrate into applications - all with this powerful open source platform.
Open Source Alternative to:
Advanced terminal with modern features for Mac developers
Stars
18,150Last commit
8 hours agoLicense
GPL-2.0
Feature-rich terminal replacement for macOS with split panes, search, autocomplete, and extensive customization options for enhanced productivity.
Open Source Alternative to:
Privacy-focused translation with offline capabilities
Stars
1,074Last commit
1 month agoLicense
BSD-3-Clause
Full-featured browser extension for translating web pages, text, and subtitles with offline mode, personal dictionary, and custom translator support.
Open Source Alternative to:
Free online accounting for small businesses and freelancers
Stars
10,182Last commit
5 days agoLicense
Unknown
Self-hostable accounting software covering invoicing, expense tracking, cash flow, and client portals. Free to use, available in 50+ languages.
Open Source Alternative to:
Unify APIs, databases, and services effortlessly
Stars
1,275Last commit
8 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:
Turn production traffic into regression tests, no code changes
Stars
18,556Last commit
8 hours agoLicense
Apache-2.0
Captures real API traffic and dependency calls via eBPF to generate tests and mocks automatically, then replays them in CI to catch regressions before they ship.
Open Source Alternative to:
Streamline your business finances and operations
Stars
15,072Last commit
4 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:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Sent
Windshift
Sent