HBM's Nuclear Tech Mod on 1.21.1: a backport of NTM: NEXT. Reactors, nukes, radiation and heavy industry, and all of it flies on Create: Aeronautics airships. Unofficial build.
Your modpack broke? Check Engine says why in plain English, and how to fix it: crashes, missing mods, bad configs. Undo what changed, find the faulty mod, rescue your world.
Singularity Iteration is a tech mod inspired by the Industrial Craft 2, bringing a relatively complete yet streamlined industrialization experience to Minecraft.
Nuclear power from real physics: a portable microreactor, a real fuel cycle, a fission station you design rod by rod, and a breeder reactor. Small, smart builds beat big ones.
Draw your own spells in a pentagram of five elements. Forge runes and staffs, raise the dead, open gates between worlds, and rise from apprentice to archmage.
Become a thaumaturge: fill your journal with the secrets of the aura, bend vis to your will, and discover what the Crimson Cult already knows about the eldritch.
Mindustry's logic system, rebuilt for Minecraft — a graphical statement canvas, a graphical statement editor, and the instruction set that goes with them.