FusionPBX

1.0k

Communication - SIP

Web interface for multi-platform voice switch called FreeSWITCH.

Chamilo LMS

965

Learning and Courses

Create a virtual campus for the provision of online or semi-online training.

ITFlow

947

Ticketing

Client IT documentation, ticketing, invoicing and accounting for MSPs (Managed Service Providers).

SolidInvoice

915

Money, Budgeting & Management

Open source invoicing and quote application.

DOMJudge

899

Miscellaneous

System for running a programming contest, like the ICPC regional and world championship programming contests.

Thelia

876

E-commerce

Thelia is an open source and flexible e-commerce solution.

Textpattern

874

Content Management Systems (CMS)

Flexible, elegant and easy-to-use CMS.

phpList

853

Communication - Email - Mailing Lists and Newsletters

Newsletter and email marketing with advanced management of subscribers, bounces, and plugins.

Concrete 5 CMS

844

Content Management Systems (CMS)

Open source content management system.

webtrees

777

Genealogy

Webtrees is the web's leading online collaborative genealogy application.

Cockpit

729

Content Management Systems (CMS)

Simple content platform to manage any structured content.

Simple Machines Forum

729

Communication - Social Networks and Forums

Free, professional grade software package that allows you to set up your own online community within minutes.

WonderCMS

729

Content Management Systems (CMS)

WonderCMS is the smallest flat file CMS since 2008.

Davis

712

Calendar & Contacts

A simple, dockerizable and fully translatable admin interface for sabre/dav based on Symfony 5 and Bootstra…

Gibbon

613

Learning and Courses

Flexible school management platform designed to make life better for teachers, students, parents and leaders.

Typemill

603

Content Management Systems (CMS)

Author-friendly flat-file-cms with a visual markdown editor based on vue.js.

Bolt CMS

585

Content Management Systems (CMS)

Content Management Tool, which strives to be as simple and straightforward as possible.

Omeka

539

Content Management Systems (CMS)

Create complex narratives and share rich collections, adhering to Dublin Core standards with Omeka on your…

ILIAS

491

Learning and Courses

Learning management system that can cope with anything you throw at it.

Chyrp Lite

486

Blogging Platforms

Extra-awesome, extra-lightweight blog engine.

RSS Monster

470

Feed Readers

Easy to use web-based RSS aggregator and reader compatible with the Fever API (alternative to Google Reader).

Contao

428

Content Management Systems (CMS)

Powerful CMS that allows you to create professional websites and scalable web applications.

Plainpad

412

Note-taking & Editors

Modern note taking application for the cloud, utilizing the best features of progressive web apps technology.

Collective Access - Providence

375

Archiving and Digital Preservation (DP)

Highly configurable Web-based framework for management, description, and discovery of digital and physical…