Java based open source static site/blog generator for developers
...Freemarker, Groovy, Thymeleaf, Jade and Pebble-based templates & scripting support. Easily integrate CSS frameworks such as Bootstrap and Foundation. Store your site content in Dropbox, CVS, SVN, Git or whatever you want.
Magician is a small HTTP service package based on Netty
Magician is a small HTTP service package based on Netty that makes it very easy to start an http service, and also supports WebSocket, using annotated configuration Handler.
If you want to develop an http service with netty but find it cumbersome, then Magician may help you.