A website dedicated to bad capacitors and the repair of them. The forum is very busy and covers other electronic topics.
BGA Mods Rework and reballing support forum
This forum is run by Reflowing Experts and a friendly community eager to help everyone out.
The gateway to online resources and design support for engineers, powered by RS
Electronic Design Engineers community, free design tools and resources. Download free development tools including component library files, CAD tools & 3D Models ...
An excellent electronics forum and blog. It is very busy and covers all skill levels, but do use the search feature.
A Stack Exchange forum dedicated to electronics.
This is the official support forum from Dragon Group but gives support on more than the equipment then sell. Not massive but worth keeping an eye on in.