Current version of Woopsa specification is version 1.2. Latest implementations of Woopsa are available here. Everything you need to quickly get started can be found in the source code:
- The .NET client and server library
- The Woopsa Embedded library
- The Woopsa-Beckhoff PLC gateway
- A demo server and a demo client (compiled)
We recommend reading the getting started tutorial to grasp the basic concepts of Woopsa. Of course, that's only a suggestion...