MV3D is an open source virtual world simulation framework written in Python. It was designed with scalability in mind and aims to be able to distribute a world across as many servers as needed while dynamically balancing the load.
Powow is an open-source TCP packets exchange mesh. It allows many TCP clients to connect to a "Powow cloud" (several instances of Powow), to exchange data. Powow is a TCP socket server like Palabre or Oregano.
pymon is an open source network and process monitoring solution implemented in python. The interface and conifiguration is designed to be easily and rapidly deployed, saving on time and overhead often associated with other monintoring solutions