Sourcegraph is a fast, open-source, fully-featured code search and navigation engine.

Features

• Fast global code search with a hybrid backend that combines a trigram index with in-memory streaming
• Code intelligence for many languages via the Language Server Protocol
• Enhances GitHub, GitLab, Phabricator, and other code hosts and code review tools via the Sourcegraph browser extension
• Integration with third-party developer tools via the Sourcegraph Extension API

• Try out the public instance on any open-source repository at sourcegraph.com.
• Install the free and open-source browser extension.
• Spin up your own instance with the quickstart installation guide.
• File feature requests and bug reports in our issue tracker.
• Visit about.sourcegraph.com for more information about product features.

• Git
• Go (1.11 or later)
• Docker
• PostgreSQL (version 9)
• Node.js (version 8 or 10)
• Redis
• Yarn

For a detailed guide to installing prerequisites, see these instructions.

1. Ensure Docker is running

2. Initialize the PostgreSQL database

3. Start the development server

   ./dev/launch.sh
   

Sourcegraph should now be running at http://localhost:3080.

For detailed instructions and troubleshooting, see the local development documentation.

The docs folder has additional documentation for developing and understanding Sourcegraph:

• Project FAQ
• Architecture: high-level architecture
• Database setup: database setup and best practices
• Style guide
• GraphQL API: useful tips when modifying the GraphQL API
• Contributing