IrfanView - IrfanView ... one of the most popular viewers worldwide.
Numi App - Numi is a beautiful text calculator for Mac.
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
nomacs - nomacs is a free, open source image viewer, which supports mu
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.