System for collecting, deriving and querying facts about source code.

Glean is a system for working with facts about source code. You can use it for:

• Collecting and storing detailed information about code structure. Glean is designed around an efficient storage model that enables storing information about code at scale.

• Querying information about code, to power tools and experiences from online IDE features to offline code analysis.

• Glean @ GitHub.

Source: Indexing code at scale with Glean @ Engineering at Meta.