Quicker actions!
This mod adds 2 utilites so far:
Seed and hoes have their cooldown removed
This helps when trying to use them over a large area since there wont be any gaps
Right Click Harvest
Plain and simple, right click on a crop with its matching seed and it will harvest
Note that this is a client mod intended for running on servers without the mod, however make sure that using utility mods like this (that change input beyond what is normally possible) is permitted.
P.S. Feel free to ask for a port to a modloader or minecraft version on the git!