PAiN Mud codebase is a new MUD codebase written in Java. It provides general purpose persistence engine (PAiN DB) and ability of dynamic code reloading.
Starting from v0.4 PAiN DB supports transaction and savepoints.
Version 0.42 fixes all bugs found in v0.41, has more commands implemented ('backup', 'get', 'give', 'drop'.... ), adds backup, export/import from XML routines to PAiN DB and some minor enchancements. (For complete details see changelog on the site)