I'm an indie dev who works alone in Unity, I mainly program in C#, i use Visual Studio, Paint(dot)net and Aseprite.
All Gamejams I've participated in (in order of participation):
LD 39: https://ldjam.com/events/ludum-dare/39/power-runners
LD 40: https://ldjam.com/events/ludum-dare/40/dungeon-of-steel
GPJam 1: https://itch.io/jam/gamesplusjam/rate/226309
LD 41: Possibly Participating