db9 provides a serverless PostgreSQL database solution designed for AI agents, enabling users to create, manage, and query databases directly from the terminal. It integrates full PostgreSQL capabilities with a cloud filesystem, offering both SQL for complex tasks and file operations for simplicity.

pg_jitter is a lightweight JIT compilation provider for PostgreSQL that introduces three alternative JIT backends: sljit, AsmJit, and MIR. It enhances query execution speed and compilation efficiency for PostgreSQL versions 14 to 18, addressing performance issues related to expression-heavy workloads and wide tables.