PL/Ruby :

plruby.tar.gz    ruby >= 1.4.4 -- PostgreSQL 6.*, 7.0, 7.1, 7.2, 7.3

BDB : access to Sleepycat Berkeley DB and DB XML

bdb.tar.gz     Berkeley DB >= 2

BDB1 : access to Berkeley DB

bdb1.tar.gz    Berkeley DB 1.85 or 1.86


Mmap : implement memory-mapped file objects

mmap.tar.gz     Experimental


BZ2 : interface to the library libbzip2

bz2.tar.gz      beta