CAUTION: This is abandonware. I won't work on it anymore, but it just might work for you. Use at your own discretion — feel free to fork!
A mod that adds the eponymous Gravity Gun from Half-Life 2.
Modrinth: https://modrinth.com/mod/gravity-guns
Demo Video: https://www.youtube.com/watch?v=O9oIamZKOTM
Discord: https://discord.gg/NeNfePzCx8