IBM to Open Source 50 Projects
infoq.com
infoq.com
https://github.com/node-red/node-red
I was particularly surprised/impressed that 82% of the code is Javascript.
Here is an HTTP chat server done entirely in Node-RED:
http://flows.nodered.org/flow/62ae8ebebf117979bbc9
I think it has great potential as a learning tool to get kids interested in programming.