Open Source Projects using PHP
A curated collection of the 91 best open source software using PHP. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Build and deploy AI agents and RAG pipelines visually
Stars
154,458Last commit
10 hours agoLicense
Unknown
Visual platform for building agentic workflows, RAG pipelines, and LLM-powered apps. Supports hundreds of models, MCP integration, and self-hosted deployment.
Open Source Alternative to:
Self-hosted uptime monitoring with a clean dashboard
Stars
90,976Last commit
1 day agoLicense
MIT
Monitors websites, APIs, and services with real-time alerts, a status page, and support for dozens of notification channels. Self-hosted and Docker-friendly.
Open Source Alternative to:
Deploy apps, databases, and services to your own server
Stars
61,411Last commit
6 hours agoLicense
Apache-2.0
Self-hostable deployment platform that lets you deploy apps, databases, and 280+ one-click services to any server via SSH, with Git integration and automatic SSL.
Open Source Alternative to:
Self-host your own scheduling page, no vendor required
Stars
48,146Last commit
15 hours agoLicense
MIT
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.
Open Source Alternative to:
Open-source backend platform for rapid app development
Stars
57,288Last commit
6 hours agoLicense
BSD-3-Clause
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.
Open Source Alternative to:
Lightning-fast analytics for massive datasets
Stars
49,647Last commit
5 hours agoLicense
Apache-2.0
High-performance columnar OLAP database system for real-time analytics on big data, with SQL support and linear scalability.
Open Source Alternative to:
Open-source coding agent for your IDE and terminal
Stars
35,762Last commit
9 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:
Manage Linux servers with ease through a modern web interface
Stars
36,804Last commit
11 hours agoLicense
GPL-3.0
Comprehensive web-based tool for Linux server administration with integrated website, database, container, and LLM management capabilities.
Open Source Alternative to:
AI coding agent for VS Code, JetBrains, CLI, and Cloud
Stars
27,173Last commit
8 hours agoLicense
MIT
Open source AI coding agent with 500+ models, bring-your-own-key support, and specialized modes for writing, debugging, and planning code across IDEs and CLI.
Open Source Alternative to:
Secure cloud collaboration platform for organizations
Stars
36,713Last commit
5 hours agoLicense
AGPL-3.0
Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.
Open Source Alternative to:
Open source Laravel eCommerce platform for modern businesses
Stars
28,091Last commit
2 days agoLicense
MIT
A flexible eCommerce platform built on Laravel that enables businesses to create marketplaces, mobile apps, and headless commerce solutions
Open Source Alternative to:
Create, customize, and manage your website with ease
Stars
21,387Last commit
7 hours agoLicense
Unknown
A versatile, user-friendly platform for building and managing websites, from simple blogs to complex e-commerce stores.
Open Source Alternative to:
Privacy-focused, lightweight web analytics
Stars
28,869Last commit
14 hours agoLicense
AGPL-3.0
Simple, open-source web analytics tool that respects user privacy and provides valuable insights without compromising data protection.
Open Source Alternative to:
Time-series database and historian for industrial data
Stars
25,099Last commit
13 hours agoLicense
AGPL-3.0
High-performance time-series database with industrial data management, built-in stream analytics, and AI-driven anomaly detection for operational environments.
Open Source Alternative to:
Self-hosted CRM for enhanced business relationships
Stars
23,837Last 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:
Self-hosted personal finance manager with double-entry bookkeeping
Stars
24,492Last commit
14 hours agoLicense
AGPL-3.0
Track transactions, budgets, and accounts with a double-entry system, multi-currency support, rule engine, and REST API. Fully self-hostable.
Open Source Alternative to:
Visual project management with complete data control
Stars
21,073Last commit
8 hours agoLicense
MIT
Open-source Kanban board solution offering visual task management, self-hosting capabilities, and robust security features for teams and individuals.
Open Source Alternative to:
Empower your digital strategy with actionable insights
Stars
21,839Last commit
7 hours agoLicense
GPL-3.0
Comprehensive web analytics platform offering full data ownership, privacy protection, and customizable insights for data-driven decision making.
Open Source Alternative to:
Open-source mail server with unlimited sending & AI tools
Stars
15,529Last commit
3 months agoLicense
AGPL-3.0
Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.
Open Source Alternative to:
Fast grammar checking that respects your privacy
Stars
14,964Last commit
11 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:
Open-source ecommerce platform for WordPress
Stars
10,490Last commit
5 hours agoLicense
GPL-2.0
Build and manage online stores with customizable features, extensions, and themes for businesses of all sizes.
Open Source Alternative to:
Privacy-first offline maps for hiking, cycling & navigation
Stars
15,309Last commit
6 hours agoLicense
Apache-2.0
Free, open-source offline maps app with detailed trails, turn-by-turn navigation, and zero tracking. Perfect for hikers, cyclists, and travelers seeking privacy.
Open Source Alternative to:
High-performance time-series database for massive data scale
Stars
17,300Last commit
5 hours agoLicense
Apache-2.0
Open-source time-series database offering massive ingestion throughput, millisecond queries, and SQL extensions, designed for optimal performance at any hardware scale.
Open Source Alternative to:
Modern forum software for vibrant online communities
Stars
16,390Last commit
8 days agoLicense
MIT
Lightweight, extensible forum platform with a sleek interface, powerful moderation tools, and seamless integration capabilities.
Open Source Alternative to:
Professional status page system for transparent downtime communication
Stars
15,235Last commit
5 days agoLicense
Unknown
Open-source status page platform that helps organizations communicate system status and incidents effectively with customizable components and metrics tracking
Open Source Alternative to:
Create powerful chatbots without coding
Stars
10,311Last commit
12 days agoLicense
Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.
Open Source Alternative to:
AI-powered PIM for managing product catalogs at scale
Stars
10,958Last commit
2 days 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:
Free online accounting for small businesses and freelancers
Stars
10,103Last commit
13 hours 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:
Open source marketing automation for everyone
Stars
10,442Last commit
14 hours agoLicense
Unknown
Mautic is a free and open source marketing automation platform that helps businesses manage leads, create campaigns, and analyze results.
Open Source Alternative to:
Save articles for later reading with complete privacy
Stars
12,949Last commit
2 days agoLicense
MIT
Self-hosted web article archiving tool that extracts content for comfortable reading. Import from Pocket, Instapaper. Open source with API access.
Open Source Alternative to:
Goal-driven project management for all brains
Stars
11,522Last commit
21 days agoLicense
AGPL-3.0
Open-source software designed to streamline tasks, boost productivity, and enhance collaboration for teams of all types, including those with ADHD and neurodiversity.
Open Source Alternative to:
Lightning-fast open source search engine for big data
Stars
11,988Last commit
13 hours agoLicense
GPL-3.0
Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities.
Open Source Alternative to:
Effortless time tracking for open source projects
Stars
8,900Last commit
10 hours agoLicense
AGPL-3.0
Seamlessly track time across multiple projects, generate insightful reports, and optimize your open source contributions.
Open Source Alternative to:
Send invoices, accept payments, manage your business—all free
Stars
10,053Last commit
2 days agoLicense
Elastic-2.0
Free invoicing software for freelancers and small businesses. Create professional invoices, track expenses, accept online payments, and manage projects without hidden fees.
Open Source Alternative to:
Real-time observability for modern web applications
Stars
9,372Last commit
15 days agoLicense
Apache-2.0
Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.
Open Source Alternative to:
Self-hosted file sharing built for digital sovereignty
Stars
5,885Last commit
9 hours agoLicense
Apache-2.0
Self-hostable cloud file management and collaboration platform with an integrated office suite, zero-trust security, and GDPR compliance for teams and organizations.
Open Source Alternative to:
Ad-free photo sharing with privacy and federation
Stars
7,088Last commit
2 days agoLicense
AGPL-3.0
Decentralized photo sharing platform with chronological feeds, privacy controls, and ActivityPub federation. No ads, no algorithms, just authentic connections.
Open Source Alternative to:
Automated translations that scale with your code and commits
Stars
5,402Last commit
12 hours agoLicense
Apache-2.0
Transform your app into a global product with AI-powered localization that integrates directly into your development workflow. Supports 83+ languages with Git-native automation.
Open Source Alternative to:
AI-powered embedded AR/AP automation for platforms
Stars
8,343Last commit
2 years agoLicense
AGPL-3.0
Crater offers AI-driven invoicing workflows, payments, and working capital tools to enhance your platform with minimal technical effort.
Open Source Alternative to:
Enterprise monitoring for networks, apps, and infrastructure
Stars
6,340Last commit
7 hours agoLicense
AGPL-3.0
Monitors networks, servers, cloud services, IoT, and OT environments with no per-device licensing fees, available self-hosted or as a managed SaaS platform.
Open Source Alternative to:
Secure password management for teams
Stars
6,107Last commit
15 days agoLicense
AGPL-3.0
Open source password manager focused on security, collaboration and privacy for organizations
Open Source Alternative to:
Powerful helpdesk solution for streamlined customer service
Stars
5,888Last commit
11 hours agoLicense
AGPL-3.0
Zammad is an open-source helpdesk software that centralizes customer communications and helps deliver great service experiences efficiently.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Sent
Docmost
Sent