I use TouchOSC to control Lightroom when editing photos, and I haven’t tried Clawtar yet, but it looks like it could be pretty great for people using MIDI as it was intended.
OwnTracks records your geographical location and builds a local diary. The data format is open, and it belongs to you to use as you see fit.
This is amazing. Being able to hack together quick actions that can be configured and used as any normal iOS action is pretty great all by itself, but then I saw the “execute via SSH” workflow and headasploded.