Defold: !
Sublime editor: for everything and it’s already in the Defold editor (am I right?)
Tiled: a level in our current game is like a music score created in Tiled for visual help
FontForge: used few times, it is not so easy for me
Trello: track tasks and (many) bugs
SourceTree: for version control
Affinity Designer: is awesome! really fantastic!
Gimp: rarely for some filter
Spine: for (few) complex animation impossible with go.animate, typically character animations
Blender: extremely rarely for some 3D primitives
Fmod Studio: for minimal editing of the audio project