Attendize is an open-source ticket selling and event management platform built on Laravel.

Open-source event management and ticket selling platform. Perfect for concerts, conferences, and everything in between 🎟️

Trigger and listen to events within a PHP application

Complete PHP-based Login/Registration system, Profile system, Chat room, Forum system and Blog/Polls/Event Management System.

Admidio is a free open source user management system for websites of organizations and groups. The system has a flexible role model so that it’s possible to reflect the structure and permissions of your organization.

Run your own Events business with Eventmie. Use it as an event ticket selling website or event management platform on your own domain.

Event Espresso 4 Core for WordPress: Build an Event Ticketing Website Today!

An event management and registration extension for TYPO3 CMS based on ExtBase and Fluid.

SIMASJID (Sistem Informasi dan Manajemen Masjid)

Wordpress Plugin to show a small amount of events in an easy to use calender/schedule

PHP event manager. simple, fully functional event management dispatcher implementation. 简洁,功能完善的事件管理实现，支持快速的事件组注册，设置事件优先级，通配符事件的监听。

The EventEmitter is a simple pattern that allows you to create an object that emits events, and allow you to listen to those events.

Web application with a collection of tools helping people organising community events such as multi-days conference with reminders, CRM and such

Open-source event management and ticket selling platform 🎟️

Eventmie Pro - PHP Script – Self-hosted multi-organization (multi-vendor) event management Laravel package (PHP script). Launch a dedicated platform for Event selling website on your own domain and streamline the event planning process through automation.

Import Facebook Events allows you to import Facebook (facebook.com) events into your WordPress site.

A WordPress plugin for managing and displaying events. Depends on the ACF Pro plugin.

Open Source Event Manager for create and manage public and privat Events on different Locations

The Flipside Volunteer System

Symfony based web application to manage events