Shameless plug for my app. http://slotted.co http://slotted.co Many people use it for one-on-one meetings like office hours. But you can make any kind of signu

Shameless plug for my app. http://slotted.co http://slotted.co Many people use it for one-on-one meetings like office hours. But you can make any kind of signup sheet you can imagine. Very geek friendly UI.