Thumb-Key is a privacy-conscious smart keyboard, made specifically for your thumbs.
Platforms
- Android
- F-Droid
- OpenAPK
- Global

Apps similar to Keyboard Designer include HeliBoard, which is free and open source. Other options are FUTO Keyboard, FlorisBoard, OpenBoard and AnySoftKeyboard. There's no shortage of Mobile Keyboards like Keyboard Designer, with more than 25 alternatives for Android, iPhone, iPad, Windows and Linux.
Thumb-Key is a privacy-conscious smart keyboard, made specifically for your thumbs.





CleverKeys is an open-source gesture keyboard featuring a custom neural network engine, unlimited clipboard history, and extensive customization. Unlike other open-source keyboards, gesture typing works reliably everywhere — including Termux and terminal emulators.




Grammarly’s Mobile Keyboard is the personal editor you can take with you wherever you go. With hundreds of checks and features and seamless integration, Grammarly helps you type with ease in any app. Whether you’re sending an urgent email, important LinkedIn message, or...



AI-powered Android keyboard app featuring ChatGPT technology for grammar correction, word suggestions, adjustable tone, one-click text expansion, customizable themes, glide typing, emoji support, clipboard management, and multilingual input for efficient typing.






A programmable keyboard for Android that lets you send phrases, lenny faces, macros, or data from the Internet in a single tap.







8vim is an open source, small screen keyboard designed to overcome the limitation of small typing space and provide tools to the user to have full text editor style editing capabilities on any text box he/she is typing.



UniKey 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.


ai.type is a personalizable keyboard for smartphones and tablets.
The app lets you type better and faster by learning your writing style, it allows you to customize and personalize your keyboard in any way you may think of!
ACCURACY Auto correction feature will correct your ty.



A lightweight keyboard app that helps chatting with your friends, or inserting any other texts, numbers or symbols. You can choose from multiple different languages and layouts.


