Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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msgpack
A reflect-based MessagePack encoder and decoder for Go with struct tag support, custom extensions, and a sync.Pool-backed API for allocation-light serialization.
msgspec
A fast, zero-cost serialization and validation library for JSON, MessagePack, YAML, and TOML in Python.
rmp-serde
Serde-powered MessagePack serialization and deserialization for Rust
arq
Fast job queuing and RPC in Python built on asyncio and Redis
msgpackr
Ultra-fast MessagePack serialization for JavaScript with record structures for faster, more compact encoding.
base-x
Fast base encoding and decoding for any custom alphabet, using bitcoin-style leading zero compression.
ormsgpack
A fast Rust-backed MessagePack library for Python with native dataclass, datetime, numpy, and Pydantic support.
@scure/base
Audited, zero-dependency base16/32/58/64 and bech32/bech32m encoding for TypeScript
encoding
A high-performance, drop-in Go replacement for encoding/json, with fast ASCII, ISO8601, Protobuf, and Thrift codecs.
bs58
Base58 encoding and decoding for Bitcoin and other cryptocurrency addresses.
srsly
Unified, cross-platform JSON, JSONL, MessagePack, Pickle, and YAML serialization for Python
rybakit/msgpack
A pure PHP implementation of the MessagePack binary serialization format
multibase
Rust implementation of the multibase self-describing base encoding spec
windows-1252
A robust JavaScript implementation of the windows-1252 character encoding as defined by the WHATWG Encoding Standard.
algo-msgpack-with-bigint
A zero-dependency MessagePack encoder and decoder for JS/TS with modified BigInt handling.