gsimplecal is a lightweight calendar application using GTK.
When it’s started, it first shows up, when you run it again, it closes the running instance, thus making it very easy to integrate anywhere without the need to make some wrapper scripts.
It was intentionally made for use with tint2 panel in the openbox environment to be launched upon clock click, but of course it will work with any other panel, or no panel at all. For example you can bind it to some hotkey in your window manager config.
This is free and open source software.
Website: dmedvinsky.github.io/gsimplecal
Support: GitHub Code Repository
Developer: Dmitry Medvinsky, Kim Hempel, Paul Vint, Ryan Quinlan, and other contributors
License: 3-clause BSD License

gsimplecal is written in C++. Learn C++ with our recommended free books and free tutorials.
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