Top Websites for technical discussion

sefindia.org

Forum for structural engineers, providing information and re...

oldschool.co.nz

New Zealand's classic and retro car community forum.

diesteckdose.net

Forum discussing electrical engineering and related topics.

husqvarna-forum.de

Forum for Husqvarna motorcycle enthusiasts.

bioenergylists.org

For discussion of bioenergy topics, including biochar and co...

imacros.net

Collaboration platform for Progress developers, customers, a...

dieselduck.com

A discussion forum for steam engine enthusiasts.

focusrsclub.com

Enthusiast community for Ford Focus RS models.

renog.org

Facilitating technical discussion in research and education ...