Open Source Projects using Composer
A curated collection of the 66 best open source software using Composer. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Flexible CMS for custom digital experiences
Stars
3,620Last commit
4 hours agoLicense
Unknown
Build custom websites with a user-friendly CMS that puts content first. Features flexible architecture, GraphQL API, and powerful ecommerce capabilities.
Open Source Alternative to:
Self-hosted social media management without limits
Stars
Stars growing over the last 30 days3,859Last commit
7 months agoLicense
MIT
Create, schedule, and manage social media content from your own server with no subscription fees or usage restrictions.
Open Source Alternative to:
Modern open-source billing platform for hosting businesses
Stars
Stars growing quickly over the last 30 days2,786Last commit
7 hours agoLicense
MIT
Automate subscriptions and manage payments with a flexible, open-source billing system designed specifically for hosting providers.
Open Source Alternative to:
Powerful, customizable web analytics for your site
Stars
2,693Last commit
2 hours agoLicense
GPL-2.0
Open-source web analytics platform offering comprehensive visitor tracking, customizable dashboards, and data ownership for websites and applications.
Open Source Alternative to:
Self-hosted email marketing with unlimited everything
Stars
2,181Last commit
2 days agoLicense
MIT
Open-source email marketing platform offering unlimited subscribers, campaigns, and workspaces. Self-hosted solution with powerful API and beautiful interface.
Open Source Alternative to:
Self-hosted CRM with built-in AI chat and agent tools
Stars
Stars growing over the last 30 days1,780Last commit
9 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:
Enterprise file sync, share, and collaboration platform
Stars
2,165Last commit
19 hours agoLicense
Apache-2.0
Self-hostable file platform for enterprises needing data sovereignty, real-time document collaboration, and compliance with GDPR, HIPAA, and other regulations.
Open Source Alternative to:
Security framework that protects from within your product
Stars
1,552Last commit
18 days agoLicense
AGPL-3.0
Open-source security framework for threat detection, fraud prevention, and abuse monitoring. Self-hosted solution with built-in dashboard and risk scoring.
Open Source Alternative to:
API management platform for developers and AI agents
Stars
2,127Last commit
3 days agoLicense
Apache-2.0
Open source API management platform that exposes databases as REST, routes microservice traffic, handles billing, and generates SDKs across multiple languages.
Open Source Alternative to:
Self-hosted password vault built for teams and compliance
Stars
1,858Last commit
16 hours agoLicense
GPL-3.0
Collaborative password manager with folder-level access control, AES-256-GCM encryption, governance tools, and Linux password rotation, runs on your own servers.
Open Source Alternative to:
Open-source personal finance management tool
Stars
2,950Last commit
26 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 CMS with powerful drag-and-drop builder
Stars
1,207Last commit
6 days 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:
Schedule posts to every major social network, self-hosted
Stars
Stars growing quickly over the last 30 days728Last commit
1 day 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:
Transform your time tracking into actionable insights
Stars
925Last commit
1 month agoLicense
GPL-3.0
Advanced time tracking and productivity analytics tool that captures detailed work patterns, generates comprehensive reports, and helps optimize workflow efficiency.
Open Source Alternative to:
Flexible CMS for developers, powerful for clients
Stars
1,161Last commit
1 day agoLicense
Unknown
A versatile, open-source content management system with a powerful API, modular architecture, and intuitive interface for seamless web development.
Open Source Alternative to:
Federated short videos without corporate control
Stars
460Last commit
1 day agoLicense
AGPL-3.0
Open-source, decentralized short-video platform that gives creators control. No ads, no lock-in, built on ActivityPub for true community ownership.
Open Source Alternative to:
Open-source CMS for text-driven websites
Stars
618Last commit
1 day agoLicense
MIT
Create manuals, documentation, and websites with this markdown-based content management system, with options for ebook conversion.
Open Source Alternative to:
Real-time event tracking and response for tech products
Stars
474Last commit
23 days agoLicense
AGPL-3.0
Track critical events, receive instant notifications, and respond to product activities with customizable webhooks and action buttons
Open Source Alternative to:
Fast, secure, and privacy-focused web browsing
Stars
409Last commit
1 day 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:
Professional link management for modern teams
Stars
343Last commit
1 month agoLicense
AGPL-3.0
Open-source platform for creating shortened URLs with advanced analytics, custom domains, and API integration for marketing and development teams.
Open Source Alternative to:
Secure open source messaging for professional teams
Stars
Stars growing over the last 30 days171Last commit
12 hours agoLicense
AGPL-3.0
Free Matrix-based messenger with end-to-end encryption, multi-platform bridges, and on-premise deployment. Connect across 30+ networks securely.
Open Source Alternative to:
Organise, share, and control digital assets at scale
Stars
86Last commit
21 hours agoLicense
BSD-3-Clause
Self-hostable DAM platform for managing images, video, documents, and audio with metadata search, approval workflows, and open API integrations.
Open Source Alternative to:
Free, self-hosted personal finance app for long-term planning
Stars
Stars growing over the last 30 days114Last commit
2 hours agoLicense
MIT
YAFFA is a powerful, open-source budget app for managing expenses, budgets, and investments with secure self-hosting.
Open Source Alternative to:
Self-hosted uptime monitoring that runs on your hardware, not their servers
Stars
83Last commit
2 months agoLicense
MIT
Deploy your own uptime and performance monitoring with HTTP/ICMP checks, multi-region probes, and custom status pages. MIT licensed, runs on minimal hardware.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
InfluxDB
Sent