Bulma - Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.
Keepsafe Unlisted - Protect your phone number, private texts and calls
Phonebot - Make phone calls from within a Slack channel
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Milligram - A minimalist CSS framework
Razer Phone - A mobile phone built for gaming