I've contributed to a number of open source initiatives and manage a few of my own as well. I like the feeling of putting code out into the world that has the potential to help other people solve the problems they are struggling with. This following projects on this list are the ones that I am still actively contributing to.

UUSwift - A "toolbox" of common helper classes and extensions for UIKit.

AirAware - I became interested in IoT devices to monitor air conditions and quality and created a framework to talk to several of the more popular devices.

Sunlit - Manton Reece and I created this photo sharing application many years ago and have adapted it over time so that it now is an Instagram type app, powered by the Micro.blog platform.

Wavelength - A micro-podcasting app for iOS

Snippets - An IndieWeb and Micro.blog framework for blogging and microblogging.