Interested in fixing bugs or adding new features to Geary? Here's some tips to get you started.
If you are new to GNOME, read through the GNOME Newcomers guide.
If you're new to Geary, consider starting with Newcomer bugs or looking for a "small" task to start with. Smaller tickets allow for you to get your toolchain set up and to familiarize yourself with the code base without the pressure of trying to change or add too much.
Jump on the Matrix channel for real time discussion. See Getting In Touch.