I am installed Calligra on Ubuntu 12.04, but I do not like it and now I want to uninstall it. I am installed unstable release with project-neon. I am tried to delete folder in /opt but I can not permanetly delete it. How to uninstall/delete Calligra and Project Neon?
Just press Ctrl+Alt+T on your keyboard to open Terminal. When it opens, run the command below.
Depending on how you installed Project Neon, you would:
Or as Beni Bogosel said you can use synaptic.
Try using one of the software package managers Synaptic or Ubuntu Software Center. Open, for example, Ubuntu Software Manager, search for Calligra and press the remove button.