Hello,

There is a blog called OpenProj Channel which provides a list of hotkeys ProjectLibre installed on Windows. As this space is in Portuguese on the blog itself you can use a google translator for reading.

Reference:

http://www.google.com/url?sa=t&rct=j&q=atalhos%20projectlibre&source=web&cd=1&cad=rja&ved=0CCoQFjAA&url=http%3A%2F%2Fcanalopenproj.blogspot.com%2F2013%2F01%2Fteclas-de-atalho-do-projectlibre-15-no.html&ei=19x3Udr8Kam_0gGBwIDgDQ&usg=AFQjCNHqd69QYKs_Z-dbUoZ6NQK1_RFIZQ

Hope this helps.