Saplanting
A fabric mod that automatically plants sapling drops in minecraft games.
Saplings from other mods are supported theoretically.
Other plants are also available, if you configure them.
For fabric versions, fabric api is required.
If there isn't a version that satisfy your MC version, you might need this
Annoucement
Saplanting v1.0.0 on forge for Minecraft 1.16.5 was released!