StealthChat is an industrial strength chat and phone call app for professionals that value real privacy and security. StealthChat uses advanced end to end encryption to ensure that only the sender and recipient have access to the content of the message or phone call.
Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Meazure - What are the dimensions of that image? How big is this window?
Element.io - Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
On-Screen Ruler - lightweight, free, semi-transparent ruler
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.