No-compromises game logic optimization mod, useful for both single-player games and multi-player servers.

BugFixerUpper fixes a few critical and non-critical bugs in the game.

Worldthreader speeds up servers by safely running each dimension on a separate thread.

Rail Placement Fix allows you to place rails more precisely. Sneak and look at the corner of a block to place curved rails. Place sloped rails like top-side slabs when sneaking.

Redstone Torch Random Tick makes burnt out redstone torches be reactived by random ticks, similar to older minecraft versions. This only affects non-scheduled, burnt-out torches, avoiding breaking any redstone contraptions!