Fcitx5 for Android 3 likesFcitx5 is an input method framework with a lightweight core, offering additional language support via addons.Cost / LicenseFreeOpen Source (LGPL-2.1)Application typeMobile KeyboardPlatformsAndroidF-DroidBest alternatives are HeliBoardandFUTO Keyboard33 alternatives
UniKey 5 likesUniKey for Windows was first released as a free program in 1999. It quickly gained popularity thanks to its speed, simplicity, and reliability. It soon became, and still is the most popular keyboard program for Vietnamese language.Cost / LicenseFreeOpen Source (GPL-3.0)OriginVietnamPlatformsWindowsBest alternatives are HeliBoardandFUTO Keyboard16 alternatives
Bamboo LikeBamboo is a Vietnamese input method engine for input method framework like IBus and Fcitx5 that translates key strokes into Vietnamese characters.Cost / LicenseFreeOpen Source (MIT)PlatformsLinuxBest alternatives are UniKeyandEVKey2 alternatives
EVKey LikeVietnamese Keyboard.Cost / LicenseFreeOpen Source OriginVietnamPlatformsMacWindowsBest alternatives are UniKeyandBamboo2 alternatives