That's Tech Tree mod.
What it adds? Creating tech tree in-game system (Obviously) Alliance system
Blocks: Research table
Items: Magnyfiyng Glass Blueprints (W.I.P.)
How to started??!?!?!?? If you: Survival:
Alt + RMB = Observe = Ideas. If in your magnifying glass = bonus ideas. K = Open Tech Tree.
Creative: It have ingame instruction. But… You need OP and Creative mod to make tech tree. I tried to make the creation of the tech tree as intuitive and clear as possible, it should not need any explanation.
MOD IN BETAAAA. If you found some bugs, GO TO COMMENTS AND SAY ABOUT IT. And i made bugfix
