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 .

Crowdin - Localize your product in a seamless way

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.

POEditor - The translation and localization management platform that's easy to use *and* affordable!

Numi App - Numi is a beautiful text calculator for Mac.

Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.