Project NOMAD is an offline-first knowledge and education server. Wikipedia, thousands of books, courses, maps, and optional local AI, all running on hardware you own with no internet required.
Crosstalk-Solutions/project-nomad is #164 on the bestofgithub Elo ladder, in Diamond I, with a rating of 2,151 (−11 this week). It has 43,613 stars, 2,306 gained in the last month.