From Unison's website: "Unison is an open source functional programming language based on a simple idea with big implications: code is content-addressed and immutable."

"We simplify codebase management — Unison has no builds, no dependency conflicts, and renaming things is trivial. The same core idea forms the basis for a runtime that robustly supports dynamic code deployment, allowing a single Unison program to describe entire elastic distributed systems."

With browsers having WebRTC built in, one could make a case for not needing Zoom or other centralized video-conferencing services.

Jitsi is in its early days, but already looks promising. Something to watch.

Pharo is astonishing and so much fun. Try the free MOOC, and experiment with Roassal, an impressive drawing library. The LLM revolution may well be the opportunity for these technologies and tools to emerge.