Yongnuo controllers for flash triggers for Canon

Yongnuo controllers are great addition to very popular Yongnuo flash triggers. Yongnuo flash commanders add more features to already excellent Yongnuo triggers and flashes.
There are commanders for both Manual and TTL flashes and triggers. For Yongnuo YN560/YN660 manual flashes there is a great Yongnuo YN560-TX controller which allows you to remotely control up to 6 groups of flashes. For TTL flashes and triggers there are Yongnuo YN622C-TX commander and Yongnuo YN-E3-RT commander for Canon 600EX-RT and Yongnuo YN600EX-RT flash speedlites.