# Capabilities

- [Callbacks](/tarmac-framework/capabilities/callbacks.md): Powered by Web Assembly Procedure Calls
- [Functions](/tarmac-framework/capabilities/functions.md): Function to Function calls
- [Logger](/tarmac-framework/capabilities/logger.md): Standard logging capabilities
- [Metrics](/tarmac-framework/capabilities/metrics.md): Custom Metrics for WASM Functions
- [Key:Value Datastore](/tarmac-framework/capabilities/key-value-store.md): Store and Retrieve data from a Key:Value datastore
- [SQL Datastore](/tarmac-framework/capabilities/sql.md): Store and Retrieve data from a SQL datastore
- [HTTP Client](/tarmac-framework/capabilities/http-call.md): Make HTTP requests with a simple HTTP client