This is the documentation for ossia score v3.0.0. Browse by categories on the left, or if you are looking for a specific topic, check out the search bar at the top of the page.
Disclaimer: the documentation is currently in-progress. If you spot a missing / incomplete / wrong information, or even just a spelling mistake, you can click the link at the bottom of the page which allows to submit a fix request to the documentation.
In the meantime, feel more than welcome to ask for help on the ossia.io forum or send a message on the ossia score gitter channel where you will most likely find a handful of score users and developers.
You may also find some information watching the french video tutorials.