I'm the same with: PlantUML - quick and simple text representation of diagrams, really easy to iterate on and see changes reflected live. reveal.js - Quick an

I'm the same with: PlantUML - quick and simple text representation of diagrams, really easy to iterate on and see changes reflected live. reveal.js - Quick and simple slide creation, I can reorder slides with ease, tweak wording, don't waste time faffing about with fonts, text box sizing etc. All reflected live in a browser.