PlantUML is like the markdown of software diagrams. It is amazing what you can do with it. I recently discovered you can draw a whole Gantt chart just by descr

PlantUML is like the markdown of software diagrams. It is amazing what you can do with it. I recently discovered you can draw a whole Gantt chart just by describing the activities in natural-ish language. It's kind of amazing though, it has one of the highest ratios of utility to presentation (as in, it works great and it looks horrible) of any tool I know.