FreeGameDev

Freegemas is an open source version of the well known Bejeweled, for GNU/Linux and Windows. It's written in C++ using SDL2, and licensed under the GPL v2.0.

Great game! I played and enjoyed it.

Only critics: When I play timeless mode, it adds the points from the last play to the new score. So the score is not restarting from zero, but increasing more and more.

Greetings
Peter

A font seems to be non-free: https://www.dafont.com/lake-wobegon-nf.font (no README, font file states copyright with "all rights reserved"). Not sure about the other ones.