Open Source Projects in PHP

WooCommerce

The most popular open-source e-commerce solution on WordPress.

InvoiceNinja

Manage invoices, quotes, projects, and time-tracking effortlessly.

Akaunting

Free accounting software for small businesses

Kanboard

Visualize workflows with Kanban boards

PrestaShop

A community-built e-commerce platform that's powered European online stores since 2007

Convention-based PHP framework with rapid development tools

PrivateBin

A pastebin the server can't read, because the browser does all the encryption

Sylius

Open Source eCommerce Framework on Symfony.

OpenCart

Launch your online empire with battle-tested eCommerce that powers 470000+ stores worldwide

Web interface for MySQL and MariaDB administration

Database management in a single PHP file

Dolibarr

Modern open-source ERP and CRM software

Moodle

Customizable learning management system

Browser-based IMAP email client

Pixelfed

The ad-free, chronological photo feed for the Fediverse crowd

Webhook.site

Instant URLs for testing webhooks and HTTP requests

Flarum

Modern forum software

HumHub

Open Source Enterprise Social Network.

IT asset management and service desk

Passbolt

Team password sharing built on OpenPGP, with the paid tier open source too

Small, fast PHP framework with a minimal footprint

SuiteCRM

The award-winning, enterprise-class open source CRM.

Modular, lightweight CMS with a clean admin

Wiki software behind Wikipedia