Self-hosted software built with Perl

Integrated accounting and ERP system for small and midsize businesses, with double entry accounting, budgeting, invoicing, quotations, projects, orders and inventory management, shipping and more.

Flexible web-based ticketing system used for customer service, help desk, IT service management.

Enterprise-class ILS with modules for acquisitions, circulation, cataloging, label printing, offline circulation for when Internet access is not available, and much more.

Server software which controls a wide range of Squeezebox/Slim Devices audio players and compatible hardware (formerly Logitech Media Server).

Enterprise-grade issue tracking system.

Mailing list manager.

Amusewiki is based on the Emacs Muse markup, remaining mostly compatible with the original implementation. It can work as a read-only site, as a moderated wiki, or as a fully open wiki or even as a private site.

General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.

Digital document management system with a flexible metadata and workflow model primarily aimed at academic institutions.

Generate statistics from web, streaming, ftp or mail server logfiles.

Automate common tasks in the household like switching lamps and heating. It can also be used to log events like temperature or power consumption. You can control it via web or smartphone frontends, telnet or TCP/IP directly.

Online assessment software. From a quick quiz on your phone to large scale, high stakes, proctored desktop testing, easy, secure and economical.

Linux distro that runs on indie boxes (personal servers and IoT devices). Single-command installation and management of apps - Jenkins, Mediawiki, Owncloud, WordPress, etc., and other features.

The most comprehensive and integrated Free / Libre / Open Source enterprise software suite.