Kanban project management software
Open source ERP and CRM web software for business
Open Source Monitoring System for performance and availability.
Cellular manager for mobile phones/modems
Open Source Document Management System
A Ecommerce System
LAMP-based Project Management System
Memebrship management solution for selling access and products
a scheduler to run any scripts locally or remote - replaces cron tab
ProofReading Markup Language for transmission of corrections