SPOJ Tools

SPOJ Problems Classification 2
This SPOJ Problems Classification 2 tool provides information about SPOJ problems and associate them with a set of tags.
Also check Facebook note.
SPOJ User Statistics 2
SPOJ User Statistics 2 shows users stats and allows you to compare two users.
SPOJ User Statistics 3
SPOJ User Statistics 3 shows users stats. It works with English, Portuguese (BR), Vietnamese and Polish versions of SPOJ.
SPOJ Rank Tracker
SPOJ Rank Tracker - Firefox add-on that tracks your position in the main SPOJ Ranking.
Also check Facebook note.
bbone - phpBB add-on that allows to execute submissions directly from posts - installed on SPOJ forum.
Also check this thread and Facebook note.