Devbook is a search engine for developers that helps them to find the resources they need and answer their questions faster. Fast, accessible right from a code editor, and fully controllable with just a keyboard.
Sourcegraph for VS Code is an extension that allows you to search an index of over 2 million open source repositories right from your IDE. You can quickly find example code and navigate all of the open source libraries you rely on without ever leaving VS Code.
Kooder is an open source code search project, offering code, repositories and issues search service for code hosting platforms including Gitee, GitLab and Gitea.