Tucuxi has been developed as a standalone software.
You can download the Windows version here: Link .
The MacOs version here: Link .
However if you do not want to install it, you can try our web version here: https://webdemo.tucuxi.ch . You just have to be aware that the web version has not been tested as well as the standalone version, and as such could display unwanted behaviors. It is also not maintained and as such does not embed the latest developments.