A

AdaptCMS

PHP Content Management System, adaptable to any type of content website

PHP

AppFlower

Open source application builder for use in building web-based applications written in PHP

Open SourcePHP

Assetic

Asset management framework for PHP

DAMFrameworkPHP

B

Batavi

Open source webshop written in PHP

Open SourcePHP

Buzz

Lightweight PHP 5.3 library for issuing HTTP requests

LibraryPHP

C

CakePHP

Open source web application framework

FrameworkOpen Source

Carbon

A simple API extension for DateTime with PHP 5.3+

PHP

chemicalize.org

Free chemical structure miner and web search engine written in PHP

PHP

CiviCRM

Internationalized suite of computer software for constituency relationship management written in PHP

PHP

CMS Made Simple

Open source content management system for PHP

Open SourcePHP

CodeIgniter

Open source rapid development web application framework written in PHP

FrameworkOpen SourcePHP

CodeLobster

Multifunctional portable PHP IDE

IDEPHP

ColorJizz

PHP library for manipulating and converting colors

LibraryPHP

concrete5

Open source content management system written in PHP

Open SourcePHP

Contao

Free content management system for medium to large websites written in PHP

PHP

Cotonti

Open source web development framework and content manager written in PHP

FrameworkOpen SourcePHP

D

Detector

Combined browser- & feature-detection for PHP

PHP

DISPATCH

PHP micro-framework

PHP

Dotclear

Open source PHP blog publishing application

Open SourcePHP

Drupal

Just another widespread Web CMS written in PHP

CMSPHP

E

EGroupware

Free open source groupware software intended for businesses from small to enterprises written in PHP

Open SourcePHP

Exponent CMS

Free, open source, open standards modular enterprise software framework and CMS written in PHP

CMSFrameworkPHP

eZ Publish

Open source enterprise PHP content management system

Open SourcePHP

F

Faker

PHP library that generates fake data for you

LibraryPHP

Fat-Free Framework

Open source web application framework for PHP

FrameworkOpen SourcePHP

Filterus

Flexible PHP 5.3 filter package

PHP

FPDF

PHP class which allows to generate PDF files with pure PHP

PHP

FuelPHP

Open source web application framework written in PHP which implements the HMVC pattern

FrameworkOpen SourcePHP

G

Gantti

Simple PHP Gantt Class

PHP

Gaufrette

PHP5 library that provides a filesystem abstraction layer

LibraryPHP

Geeklog

Geeklog is an PHP open source application for managing dynamic web content

Open SourcePHP

GeSHi

Source code syntax highlighting library written in PHP

LibraryPHP

GetSimple CMS

Fee and open source website content management system written in PHP

Open SourcePHP

Goutte

Simple PHP Web Scraper

PHP

H

Habari

Open source blog engine written in PHP

Open SourcePHP

Hazaar MVC

MVC Framework for PHP

FrameworkPHP

HTMLPurifier

Standards-compliant HTML filter library written in PHP

HTMLLibraryPHP

HuMo-gen

Cross-platform web application for displaying and editing genealogical data written in PHP

PHP

HybridAuth

Abstract PHP API between your application and various social apis and identities providers

PHP

I

Idiorm

A lightweight nearly-zero-configuration object-relational mapper and fluent query builder for PHP5

PHP

ImageCache

PHP Image Compression & Caching

PHPPixel Graphics

ImageWorkshop

PHP class using GD library to work easily with images as layers

LibraryPHP

Imagine

OOP library for image manipulation built in PHP 5.3

LibraryPHPPixel Graphics

ImpressCMS

Open source CMS for building and maintaining dynamic web sites, written in the PHP

CMSOpen SourcePHP

J

Jamroom

Community focused open source software web content management system based on PHP

Open SourcePHP

Joomla!

Extendible PHP Web CMS

CMSPHP

jqmPhp

Package of PHP classes that facilitates the creation HTML files for use with jQuery Mobile Framework.

HTMLPHP

K

Kajona

PHP5 based content management framework

FrameworkPHP

Klein.php

Fast & flexible router for PHP, inspired by Sinatra

L

Laravel

Free, open-source PHP web application framework, intended for development of MVC web applications

Open SourcePHP

Lithium

Configurable framework for PHP

FrameworkPHP

M

Mantis

Free and open source, web-based bug tracking system written in PHP

PHP

Mobile Detect

Lightweight PHP class for detecting mobile devices

PHP

MODX

Free, open source content management system and web application framework written in PHP

FrameworkOpen SourcePHP

Munee

PHP5.3 library JIT compile LESS, SCSS, or CoffeeScript, manipulate images, minify CSS and JS, and cache assets

Library

N

NetBeans IDE

IDE to develop desktop, mobile and web applications with Java, HTML5, PHP, C/C++

IDE

NOVIUS OS

PHP Open Source Content Management System

Open SourcePHP

O

ocPortal

Open source content management system written in PHP

Open SourcePHP

Omnipay

Framework agnostic, multi-gateway payment processing library for PHP 5.3+

FrameworkLibraryPHPProcessing

Opauth

Enables PHP applications to do user authentication with ease

PHP

osCommerce

E-commerce and online store-management software program written in PHP

PHP

P

papaya CMS

Open source content management system with XSLT templating written in PHP

Open SourcePHP

pChart

PHP class to build charts

PHP

PDT

PHP Integrated Development Environment framework for the Eclipse platform

FrameworkIDEPHP

PHP

Server-side scripting language

PHP Error

Error formatting and full syntax highlighting for PHP

PHP

PHP Excel Reader

PHP Library to read the binary format of XLS files

LibraryPHP

PHP-Fusion

Light-weight open-source content management system written in PHP

Open SourcePHP

phpDocumentor

Generate documentation from your PHP source code

PHP

phpFastCache

High-performance, distributed object caching system, generic in nature

phpgeo

Simple Geo Library for PHP

LibraryPHP

phpLiteAdmin

Open source tool written in PHP intended to handle the administration of SQLite

Open SourcePHPSQLite

PHPMailer

Full-featured email creation and transfer class for PHP

PHP

phpMyAdmin

Free and open source tool written in PHP intended to handle the administration of MySQL

MySQLOpen SourcePHP

phpThumb()

Uses the GD library to create thumbnails from images (JPEG, PNG, GIF, BMP, etc) on the fly

Library

Pico

Open source flat file CMS for PHP

CMSOpen SourcePHP

Pimcore

Open source PHP web content management platform for creating and managing web applications

Open SourcePHP

PivotX

Open source Blog CMS written in PHP

CMSOpen SourcePHP

Prado

Component-based and event-driven programming framework for PHP

FrameworkPHP

PrestaShop

Open source e-commerce solution based in PHP

Open SourcePHP

ProcessWire

Open source content management framework build with PHP

FrameworkOpen SourcePHP

R

Ratchet

PHP library to let developers create real-time, bi-directional apps between clients and servers over WebSockets

LibraryPHP

Requests for PHP

HTTP request library

Library

Roundcube

Web-based IMAP email client written in PHP

PHP

S

Serendipity

Blog and web-based content management system written in PHP

PHP

ShellWrap

PHP wrapper for using the command-line

PHP

SilverStripe

Free and open source Content Management System written in PHP

Open SourcePHP

G1

Slim

Cute little PHP Framework to build RESTful Services

FrameworkPHP

Smarty

Web template system written in PHP

PHP

Snappy

PHP5 library allowing thumbnail, snapshot or PDF generation from a url or a html page

HTMLLibraryPHP

SPIP

Free PHP content management system

PHP

Swift Mailer

Feature-rich PHP Mailer

PHP

Symfony

PHP web application framework for MVC applications

FrameworkPHP

T

Textpattern

Open source content management system build on PHP

Open SourcePHP

Tiki

Open source wiki-based, content management system and Online office suite written primarily in PHP

Open SourcePHP

TWIG

Fast PHP Template Engine

PHP

G1

TYPO3

They call it the Enterprise Open Source CMS, it is written in PHP

Open SourcePHP

TYPO3 Flow

Open source web application framework written in PHP

FrameworkOpen SourcePHP

U

Ubench

Micro PHP benchmark library

LibraryPHP

Upload

PHP Library to simplify file validation and uploading

LibraryPHP

V

Validation

Validation engine for PHP

PHP

W

whoops

PHP library that deals with errors and exceptions

LibraryPHP

Wolf CMS

Light-weight PHP content management system

PHP

WooCommerce

Open source e-commerce plugin for WordPress written in PHP

Open SourcePHP

G1

WordPress

Run your blog with PHP based WordPress

PHP

wxPHP

PHP extension that wraps the wxWidgets library

LibraryPHP

X

XOOPS

Free open source content management systems, written in PHP

Open SourcePHP

Y

Yii

Object-oriented, component-based MVC PHP web application framework

FrameworkPHP

Z

Zebra_Image

Lightweight image manipulation library written in PHP

LibraryPHPPixel Graphics

Zen Cart

PHP based online store management system

PHP

Zend Framework

Everything included Framework for PHP

FrameworkPHP

ZenTrack

Open source bug tracking system written in PHP

Open SourcePHP

Zikula

Open source web application framework for PHP

FrameworkOpen SourcePHP