Mine is Local Send which is a FOSS alternative similar to air drop that works across a variety of devices.
I can live without Logseq but for work and keeping a log of how that worked (other than bash history) It’s really useful
Amazing journaling/personal information managment software. I love that once you understand how it works, you can journal however you like and it “maps” out how your connect concepts. Not exaggerating when I say it helped me piece a lot of concepts and personal themes together