T square
Draw weight scale
Grain scale
String and arrow level set
draw length measuring device
Bow Drawing board
serving thread/nock tying thread
Arrow/Insert squaring device
String splitter
serving tool
E retaining clip set
Arrow spin checker
Center shot tool
Lazer aligner
Limb pocket lube/cam lube
Chrono
Insert remover/installer/thread repair tool
shaft debburing tools
string wax/cleaner

If I think of more I will post.