It has swipe typing plus a lot of other new features/theme customisation that openboard didn’t have.

Personally I think Kdenlive has the most user-friendly interface of any video- editor (pay software included) so I think it’s ideal for a newcomer. It’s also fairly light on system resource comparatively.

A few years ago, it used to have a reputation for being a bit buggy but seems to be very stable in my experience these days.

The main problem would be the lack of guides/tutorials, though there are a few on YouTube.

They have different usage scenarios.

LocalSend is for the occasional sending of files/folders from A to B or B to A (One direction only).

Syncthing’s primary usage is for keeping the exact same copies of files on A and B automatically.