Showcase Trailer: youtu.be/Iat4iTVabis
(All recipes are listed in the video)

All TNTs:
Airstrike TNT: Drops fireballs from the sky
Black Hole TNT: Pulls all mobs towards the TNT, then explodes
Floatation TNT: Floats nearby mobs and some underground blocks
Lightning TNT: Strikes lightning at where it's supposed to blow up
Looting TNT: Forces mobs nearby to drop their loot

Mining TNT: Only destroys stone and deepslate
Foraging TNT: Only destroys logs and leaves
Void TNT: Digs a giant hole 32 blocks down
Split TNT: Splits into 4 new TNTs upon explosion

House TNT: Instead of exploding, it builds a village house
Food TNT: Instead of exploding, it builds a farmland
Boulder TNT: Instead of exploding, it builds a giant boulder
Fliparoo TNT: Flips the terrain nearby upside down
Sponge TNT: Instead of exploding, sucks up nearby water and lava
Ore Upgrade TNT: Instead of exploding, it upgrades nearby ores

Works in Multiplayer!