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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Beamer seemed like too much work when I tried it? I've used and really like reveal.js. There's even manim integration: https://github.com/jeertmans/manim-slides
I haven't actually tried it yet, but I'm curious about Marp (Markdown Presentation Environment).
Two PowerPoint add ons I’ve used post PhD, where the balance of style vs substance is more tilted towards the former, are Poweruser (freemium) and Instrumenta (free, https://github.com/iappyx/Instrumenta). Helps with a lot of the formatting tweaking and PowerUser includes a bunch of nice templates as well as letting you make your own templates from existing slides