One project that I really enjoyed working on this year is
https://www.meteorshowers.org/. It's a webgl visualization of NASA meteoroid data. Open source here:
https://github.com/typpo/showersI also maintain an open source SMS API called Textbelt, but it became unreliable due to spammers. I launched a paid hosted version and have been steadily improving it: https://textbelt.com/
