auth
├─ Ownable — "Simple single owner authorization mixin"
├─ OwnableRoles — "Simple single owner and multiroles authorization mixin"
tokens
├─ WETH — "Simple Wrapped Ether implementation"
├─ ERC20 — "Simple ERC20 + EIP-2612 implementation"
├─ ERC4626 — "Simple ERC4626 tokenized Vault implementation"
├─ ERC721 — "Simple ERC721 implementation with storage hitchhiking"
├─ ERC2981 — "Simple ERC2981 NFT Royalty Standard implementation"
├─ ERC1155 — "Simple ERC1155 implementation"
utils
├─ MerkleProofLib — "Library for verification of Merkle proofs"
├─ SignatureCheckerLib — "Library for verification of ECDSA and ERC1271 signatures"
├─ ECDSA — "Library for verification of ECDSA signatures"
├─ EIP712 — "Contract for EIP-712 typed structured data hashing and signing"
├─ ERC1967Factory — "Factory for deploying and managing ERC1967 proxy contracts"
├─ ERC1967FactoryConstants — "The address and bytecode of the canonical ERC1967Factory"
├─ LibSort — "Library for efficient sorting of memory arrays"
├─ LibPRNG — "Library for generating psuedorandom numbers"
├─ Base64 — "Library for Base64 encoding and decoding"
├─ SSTORE2 — "Library for cheaper reads and writes to persistent storage"
├─ CREATE3 — "Deploy to deterministic addresses without an initcode factor"
├─ LibRLP — "Library for computing contract addresses from their deployer and nonce"
├─ LibBit — "Library for bit twiddling and boolean operations"
├─ LibZip — "Library for compressing and decompressing bytes"
├─ Clone — "Class with helper read functions for clone with immutable args"
├─ LibClone — "Minimal proxy library"
├─ LibString — "Library for converting numbers into strings and other string operations"
├─ LibBitmap — "Library for storage of packed booleans"
├─ LibMap — "Library for storage of packed unsigned integers"
├─ MinHeapLib — "Library for managing a min-heap in storage"
├─ RedBlackTreeLib — "Library for managing a red-black-tree in storage"
├─ Multicallable — "Contract that enables a single call to call multiple methods on itself"
├─ SafeTransferLib — "Safe ERC20/ETH transfer lib that handles missing return values"
├─ DynamicBufferLib — "Library for buffers with automatic capacity resizing"
├─ FixedPointMathLib — "Arithmetic library with operations for fixed-point numbers"
├─ SafeCastLib — "Library for integer casting that reverts on overflow"
└─ DateTimeLib — "Library for date time operations"

src — "Solidity smart contracts"
test — "Foundry Forge tests"
js — "Accompanying JavaScript helper library"
ext — "Extra tests"
audits — "Audit reports"