Lucid Energize Demo: Incremental C/C++ Environment (1993)

Zach Beane · Demo · 25 min · 2014 · YouTube title: Lucid Energize Demo VHS 1993

Why it's here

HN cites it constantly as evidence that modern IDE and LSP-style features existed in the early 90s.

What it covers

A 1993 VHS demo of Lucid Energize, a database-backed, incremental C/C++ programming environment built on XEmacs. It shows features like incremental compilation, live debugging and hyperlinked output.