Vileo is a simple video recording tool for recording your screen, your webcam or audio devices. It works from within your browser and can be started right away! Install a copy yourself or use the demo version (which is hosted as a Github Page, so it doesn't have much in the way of a back-end).

Live demo: https://lukasbach.github.io/vileo/

Record or upload high-quality audio, host unlimited episodes, and distribute everywhere with just one click. Whether you’re a beginner or a seasoned pro, there’s never been a better way to podcast. Supports web browsers, iOS, and Android devices. Record anywhere. Distributed teams. Can support callers to the show, too. Has a visual editor for recorded material. Upload existing audio files to mix into the recordings.

Shotcut is a free, open source, cross-platform video editor. Can capture from live media devices (including JACK and PulseAudio) as well as edit media streams. Tries to have a very easy to use UI; UI can be reconfigured to optimize for the kinds of tasks you want to accomplish.

For collecting GPS track logs suitable for uploading to Open Streetmap, gpsd includes a utility (gpxlogger) which connects to a running gpsd and generates those files. This is a link to its manpage.

minimodem is a command-line utility which implements a virtual FSK (forward shift keying) modem. Hook it into an audio source and it will act just like a modem, sending and receiving data transmissions. Can also interpret recordings of transmissions and generate new ones from traffic you send it. Who needs a serial modem when you've got this?

Maybe I can use this to write my VoIP wardialer?

witness.org's library of reference and training materials for activists, instructors, and allies. video production, recording LEO actions, archival, how to work with survivors, camera specifics and trainings, data science, covering protests, collecting evidence, crimes, and field guides.