libbraille: a Library for Braille Displays

Libbraille is a computer shared library which makes it possible to easily develop for Braille displays. It provides a simple API to write text on the display, directly draw dots, or get the value of keys pressed on the Braille keyboard.

This website also provides a free online Braille translation tool based on Libbraille as well as some detailed documentation about various international Braille alphabets.

Libbraille supports a wide range of Braille displays with a serial or USB connection and can autodetect most of them. The terminals of the following manufacturers are supported: Alva, Baum, Blazie Engineering, EuroBraille, HandyTech, Hermes, ONCE, Papenmeier, Pulse Data, TechniBraille, Tieman and others.

The program is free and can be used with various computer programming languages like C, C++, Python, Java, PHP and JavaScript. Many projects are using this component for output on Braille displays.

Click this link to visit the libbraille website at


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