Link Fixer by killjoy1221
Server-side mod to make links in chat clickable. Also works in singleplayer.
Liquid UU-Matter by Narc, FunnyMan3595
It makes UU-Matter a buildcraft liquid. Liquid UU can duplicate some liquids in the refinery, or you can take it back out again using some empty cells. It can also accelerate certain operations (particularly in IC2 electric machines).