Linux, macOS, Microsoft Windows, web-based Linux, macOS, Unix, Microsoft Windows ( Emacs mode) KDE-enabled Linux, Unix, Microsoft Windows, macOS, *BSD Proprietary, Shareware/ Freeware/ Freemium Īndroid, macOS, iOS (iPad, iPhone), Microsoft Windows 7/8/10, Microsoft Windows Server 2008R2/2012R2/2016, Microsoft Windows Phone 8/8.1/10, web-based, mobile webĪndroid, macOS, iOS (iPad, iPhone), Microsoft Windows, web-based Microsoft Windows, Mac, Linux, iOS, AndroidĪndroid (not released yet), iOS, macOS, Microsoft Windows XP/Vista/7/Mobile web-based
Proprietary, Freemium for personal use, per-seat licensing for businessĪndroid, iOS, macOS, Microsoft Windows 7/8/10, Microsoft Windows Phone, and web-based
