Octotree might be a bit more popular than DXR. We know about 1 link to it since March 2021 and only 1 link to DXR. We are tracking product recommendations and mentions on Reddit, HackerNews and some other platforms. They can help you identify which product is more popular and what people think of it.
There is DXR from Mozilla but I'm not sure how generalised it is. https://github.com/mozilla/dxr There is also Sourcegraph. - Source: Hacker News / 5 months ago
OpenGrok - OpenGrok is a fast and usable source code search and cross reference engine.
GitHub Polls - Polls for GitHub issues and readme
Sourcegraph - Sourcegraph is a free, self-hosted code search and intelligence server that helps developers find, review, understand, and debug code. Use it with any Git code host for teams from 1 to 10,000+.
LXR - LXR Cross Referencer, usually known as LXR, is a general-purpose source code indexer and cross-referencer that provides web-based browsing of source code, with links to the definition and usage of any identifier
GrepCode - GrepCode.com is a code search engine built by developers for developers to search and browse open...
Astral - A social network for augmented reality 📍