Interesting.. Looks sleek.. DLang forum [1] is similarly lightweight and it runs as a newsgroup, IIRC. Source code at [2] and previous discussions on HN [3]

[1] http://forum.dlang.org/

[2] https://github.com/CyberShadow/DFeed

[3] https://news.ycombinator.com/item?id=3592769