Google Reader inspired self-hosted RSS reader
Monorepo hosting the proton web clients
Build and deploy a real time chat application
Anti-Spam SMTP Proxy Server implements multiple spam filters
Open Source Document Management System
Database Replication, Filtered Synchronization, and Transformation
Implementation of the EDIINT AS2 protocol (RFC 4130)
VICIdial Contact Center Suite
Powerful Open Source Email Marketing app with analytics & segmentation
Implementation of the OFTP2 protocol (RFC 5024)
Tracks IOS and Android cell phones
Standalone chat system developed in php, mysql and javascript
Free forum software
UFONet - Denial of Service Toolkit
AS2 1.1 server implementation in Java