---

Signal – Fast, Simple and Secure Multi-Platform Instant Messaging App

Signal is a well encrypted and open-source instant messaging application and it is available for Android, iOS, Windows, GNU/Linux, and macOS.

It features a clean and modern design (which is either mostly minimalist or flat design these days). Its controls are easy to access and it has a familiar working environment across platforms so users will not find it difficult to use.

Get the Free Newsletter!

Subscribe to Developer Insider for top news, trends, & analysis