tapku
A well crafted open source iOS framework
... of 2009 to be exact (shout out to my peeps that juggle and recite pi). It featured elements that made it popular like the calendar grid UI. (The kid got emails from the archdiocese of New Orleans, no lie.) Over time, anything that I'd use often for different projects would wind up in tapku after I felt it was A. something that would be helpful to share between projects and B. up to the standard of sharing with the community.