miniPaint - Online graphics editing tool use HTML5 technologies like Canvas, Offline support, Drag and Drop.
Crowdin - Localize your product in a seamless way
RealWorld Paint - RealWorld Paint is an free portable image/photo/animation editor.
POEditor - The translation and localization management platform that's easy to use *and* affordable!
Paint XP for Windows 7 - Standalone old MS Paint program that allows you to get your old XP Paint interface in Windows 7.
Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.