DXR might be a bit more popular than Octotree. We know about 1 link to it since March 2021 and only 1 link to Octotree. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Optional permissions are disabled. AFAIK that mean s they can not access any web site data (except github.com and octotree.io). Am I right? Source: about 3 years ago
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 / about 3 years ago
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+.
Astral - A social network for augmented reality 📍
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
devhub - DevHub is a white label technology platform used by brands and companies to win digital marketing.