Business Applications:

Roma allows you to develop enterprise level java apps with low effort. Using the Meta-Framework approach you can integrate the latest technology in your application without modifying your domain and custom application logic.

Commercial open source customer relationship management (CRM). CRM software for sales force automation and customer support deployed on demand or on site.

Compiere Community Edition is an open source ERP solution for Distribution, Retail, Manufacturing and Service industries. Compiere automates accounting, supply chain, inventory and sales orders.

Bugzilla is a “Defect Tracking System” or “Bug-Tracking System”. Defect Tracking Systems allow individual or groups of developers to keep track of outstanding bugs in their product effectively.

Liberum Help Desk is the complete help desk solution for small to medium sized businesses and organizations. This software provides a simple, easy to use web interface for managing and tracking technical support problems.

Untangle is a software suite that effectively acts as a router, firewall, spam blocker, web filter, virus blocker, fishing blocker, etc …. It is easy to use and sets up in a flash.

PacketFence is a network access control (NAC) system that can be used to effectively secure small to large networks. It provides NAC-oriented features such as registration of new network devices, detection of abnormal network activities, isolation of problematic devices and remediation through a captive portal.

Insoshi is an open source social networking platform built with Ruby on Rails. The project is currently under development but already boasts a solid feature set.

Elgg is an open source social networking platform developed for LAMP (Linux, Apache, MySQL, PHP) which encompasses weblogging, file storage, RSS aggregation, personal profiles, FOAF functionality and more.

Open source workflow / business process management (BPM) software suite.

ProjectPier is a self-hosted PHP application for managing tasks, projects and teams through an intuitive web interface. ProjectPier will help your organization communicate, collaborate and get things done.

Open Workbench is a desktop application for project management and scheduling in which you can define a work breakdown structure, set dependencies and resource constraints, assign resources to tasks, auto schedule and then monitor progress.