Based on our record, Sourcegraph should be more popular than DXR. It has been mentiond 4 times since March 2021. 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 / 6 months ago
I personally haven't tried it, but maybe sourcegraph fits your need. - Source: Reddit / about 1 month ago
Also of interest in this arena is Sourcegraph, who are also open source, and are part of the group working on LSIF, which can also be used for code intelligence with tools like Visual Studio Code. - Source: Reddit / about 2 months ago
Sourcegraph.com — Java, Go, Python, Node.js, etc., code search/cross-references, free for Open Source. - Source: dev.to / 3 months ago
Source graph is good for searching even in large codebases https://about.sourcegraph.com/ How is it compared to source graph? - Source: Reddit / 6 months ago
OpenGrok - OpenGrok is a fast and usable source code search and cross reference engine.
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
Atlassian Fisheye - With FishEye you can search code, visualize and report on activity and find for commits, files, revisions, or teammates across SVN, Git, Mercurial, CVS and Perforce.
Insight.io - Best web-based IDE-like source code browsing and search tool
Krugle - Krugle is the complete enterprise solution for search targeted to the development organization.
Octotree - Github on steroids