# 64. GiST Indexes

- [64.1. Introduction](/13/internals/gist-indexes/introduction.md)
- [64.2. Built-in Operator Classes](/13/internals/gist-indexes/built-in-operator-classes.md)
- [64.3. Extensibility](/13/internals/gist-indexes/extensibility.md)
- [64.4. Implementation](/13/internals/gist-indexes/implementation.md)
- [64.5. Examples](/13/internals/gist-indexes/examples.md)
