Crates & Libs

Map of essential Solana crates and libraries - solana-program/sdk, anchor-lang/spl, borsh/bytemuck, pinocchio/steel, Metaplex, kit/Codama/gill, and LiteSVM/Mollusk/Bankrun - and when each layer is used.

Core on-chain and client crates.

The Anchor framework crates.

Token program clients.

Serialization and zero-copy.

Metaplex asset crates.

Lightweight program frameworks.

The modern client stack.

Testing harnesses.

Picking well-maintained, audited deps.