Kooder
Kooder is an open source code search project, offering code, repositories and issues search service for code hosting platforms including Gitee, GitLab and Gitea. There are two modules, gateway and indexer. Gateway is integrated inside gateway under default config.
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Hound
Hound is an extremely fast source code search engine. The core is based on this article (and code) from Russ Cox: Regular expression matching with a trigram index. Hound itself is a static React frontend that talks to a Go backend. The backend keeps an up-to-date index for each repository and answers searches through a minimal API. Currently Hound is only tested on MacOS and CentOS, but it should work on any *nix system. Hound on Windows is not supported but we've heard it compiles and runs just fine (although it helps to to exclude your data folder from Windows Search Indexer).
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Codase
Codase hosts huge amount of open source codes providing a much better coverage, as it covers codes usually hidden inside compressed files and source control repositories, where general search engines fail to find and index. In addition, Codase only indexes and searches high quality codes with every line of code literally validated and compiled by intelligent and powerful source code analysis engine. Codase is a privately held company based in silicon valley, founded by Dr. Huihong Luo and other veterans. We are a group of innovative and passionate professionals with diverse technologies, business background and proven track of records. We are committed to make Codase the world's best search engine for source codes in terms of features, quality, performance and code coverage. If you are a developer, you may find Codase useful, since improving your coding productivity is our goal.
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Fisheye
Search, track, and visualize code changes. Visualize and report on activity and search for commits, files, revisions, or teammates across SVN, Git, Mercurial, CVS and Perforce. View changes with a side-by-side or unified diff tool and link your Jira Software issues directly to diffs, changeset details, or full source. Get a graphical representation of activity in your source, report on lines of code over time, and get a visual audit trail of changes. Follow what's happening throughout your projects with activity streams showing commits, Jira Software issues, and Crucible review activities across your team. Find code fast with search using any artifact in your code: file names, commit messages, authors, text, and even historical changes. Browse, index, and search all your source from all your source code management systems including SVN, Git, Mercurial, CVS and Perforce – all in one tool. Upgrade your workflow with Jira Software, Bitbucket Server, Bamboo and more.
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