[LeonB]

(TimeSnapper developer here) — you can use TimeSnapper to continually screenshot your work. Run it together it creates a super fast movie.

For the purpose of indie log it might be sufficient to handroll a custom script that takes the snapshots and then use ffmpeg to convert them to a video.

[egfx]

It looks like the ability to focus in on an app could prove useful. If I get into it again. I will take a look.