Haven

792

Blogging Platforms

Private blogging system with markdown editing and built in RSS reader.

DDraceNetwork

788

Games

Cooperative platformer version of DDRace, a Teeworlds modification featuring unique cooperative gameplay.

webtrees

777

Genealogy

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

OTS

765

Communication - Custom Communication Systems

One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser.

DavMail

735

Calendar & Contacts

POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an E…

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.

Kibitzr

714

Automation

Lightweight personal web assistant with powerful integrations.

Davis

712

Calendar & Contacts

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

Openmeetings

681

Groupware

Video conferencing, instant messaging, whiteboard, collaborative document editing and other groupware tools…

Firefox Account Server

677

Bookmarks and Link Sharing

Host your own Firefox accounts server.

Cyrus IMAP

634

Communication - Email - Mail Delivery Agents

Email (IMAP/POP3), contacts and calendar server.

Stretto

632

Media Streaming - Audio Streaming

Music player with Youtube/Soundcloud import and iTunes/Spotify discovery.

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.

Django-CRM

590

Customer Relationship Management (CRM)

Analytical CRM with tasks management, email marketing and many more.

SHKeeper

587

Money, Budgeting & Management

Cryptocurrency payment processor with the unique combination of gateway and merchant allowing you to accept…

Bolt CMS

585

Content Management Systems (CMS)

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

Xandikos

577

Calendar & Contacts

Open source CardDAV and CalDAV server with minimal administrative overhead, backed by a Git repository.

OpenSMTPD

576

Communication - Email - Mail Transfer Agents

Secure SMTP server implementation from the OpenBSD project.

Koha

571

Document Management - Integrated Library Systems (ILS)

Enterprise-class ILS with modules for acquisitions, circulation, cataloging, label printing, offline circul…

ngircd

568

Communication - IRC

Portable and lightweight Internet Relay Chat server for small or private networks.

Sup3rS3cretMes5age

567

Pastebins

Very simple (to deploy and to use) secret message service using Hashicorp Vault as a secrets storage.