Twilio - Brings voice and messaging to your web and mobile applications.
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
New Google Podcasts - Google Podcasts is launching a redesign on iOS and Android
mGBA - mGBA is an open source emulator of the Game Boy Advance. The goals are speed and accuracy.
Openbazaar - A free online marketplace to buy and sell goods / services using Bitcoin. OpenBazaar is a peer-to-peer ecommerce platform with no fees or restrictions.
DeSmuME - DeSmuME is a freeware emulator for the NDS roms & Nintendo DS Lite games created by YopYop156.