This is my current, part-time occupation. Various duties: network engineer, application support, telecom, web site, building manager, gaffer, key grip, etc.
An MkDocs plugin. Generates thumbnails of PDF files and YouTube links.
Python command line application to convert Markdown to PDF.
A passive (non-contact) appliance field monitor and activity logger
I needed a solution to monitor the on/off state of a sump pump, without interfering with it's installation. Details to come.