Parameterise all the things
Orchestration engine to execute asynchronous business logic
Simple and elegant invoicing solution
An intuitive modeling interface for infinite-dimensional optimization
A hybrid thread / fiber task scheduler written in C++ 11
Specification and documentation for the Universal Commerce Protocol
BPM from EADS W4 Express BPM Engine
Shopping cart built with MERN & Redux
Fullstack open source Invoicing application made with MongoDB
An eatery ordering system & CRUD API built on NodeJS
Distributed discovery of bidirectional order dependencies
Report Designer for .net Applications
Performance and Productivity at Scale
Easy web based address book and contact manager
Excellent Decision Table based Rules Engine implementation in Java
V5Cart is a full featured free open source shopping cart