System for collecting, deriving and working with facts about source code.
Glean was recently open sourced, it might fit your needs - https://glean.software/
OpenGrok is a fast and usable source code search and cross reference engine, written in Java
I used it a long time ago, but I see this is still around: https://oracle.github.io/opengrok/
Learn any GitHub repo in 59 seconds. Onboard AI learns any GitHub repo in minutes and lets you chat with it to locate functionality, understand different parts, and generate new code. Use it for free at www.getonboard.dev.
This one made its way into my English textbook
1 project | /r/calvinandhobbes | 9 Sep 2021
On Navigating a Large Codebase
2 projects | news.ycombinator.com | 14 Feb 2021
Ask HN: What are you using to introspect your code base
2 projects | news.ycombinator.com | 30 Mar 2021
1 project | news.ycombinator.com | 7 Oct 2023
Who's hiring developer advocates? (October 2023)
4 projects | dev.to | 2 Oct 2023