A Long-Range TNT cannon that shoots over 100 blocks
Many functional and cosmetic armor sets that include set bonuses for uses other than combat
A summonable Steve boss with complex AI and behaviors
A simple mod which adds command block functionality to items that can be ran with a right click.
A slime block machine that bounces around animals using pistons. Just for fun, no practical use.
Travel quicker than through the nether with portals that link through an organizable hub dimension.
A mod that adds semi-realistic medicines and diseases to Minecraft!
A working and efficient Kelp Farm, Bamboo Farm, and a Sugarcane farm using observers and pistons.