Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Tags2
Sort:Used by Most Apps
msgspec
A fast, zero-cost serialization and validation library for JSON, MessagePack, YAML, and TOML in Python.
msgpackr
Ultra-fast MessagePack serialization for JavaScript with record structures for faster, more compact encoding.
Apache DataFusion
The extensible, Arrow-native SQL and DataFrame query engine for building fast analytical systems in Rust.
duckdb-rs
Ergonomic Rust bindings for DuckDB, with type-safe queries, native Arrow/Polars interchange, and a rusqlite-inspired API.
chDB
In-process OLAP SQL engine powered by ClickHouse, embedded directly in Python
algo-msgpack-with-bigint
A zero-dependency MessagePack encoder and decoder for JS/TS with modified BigInt handling.