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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Chroma
Open-source embedding database for building AI apps with retrieval and semantic search
Rspack CLI
The official command-line interface for running Rspack builds, dev servers, and previews.
Svix
Official JavaScript/TypeScript client for the Svix webhook delivery API and signature verification.
which-rs
Rust crate that locates executable binaries on PATH, mirroring the Unix which command cross-platform
PyO3
Rust bindings for the Python interpreter, for writing native extensions or embedding Python in Rust.
wasm-bindgen
Rust-JavaScript interop toolchain that generates the glue code needed to compile Rust to WebAssembly and call it from JS
Schemars
Generate JSON Schema documents directly from Rust types
num-traits
Numeric traits for generic mathematics in Rust, from Zero and One to Float and PrimInt
Arrow
The official Rust implementation of the Apache Arrow columnar in-memory data format.
bytemuck
A zero-cost, no_std Rust crate for safely casting between plain data types and reinterpreting slices as bytes.
serde_with
Custom de/serialization helpers for Rust's serde, via the with and serde_as annotations
Sentry Rust SDK
The official Sentry SDK for capturing errors, panics, and traces in Rust applications
pin-project
Safe, ergonomic pin projection for Rust structs and enums
Polars
Blazingly fast multi-threaded DataFrame library built in Rust with Python, Node.js, and R bindings
Actix Web
A powerful, pragmatic, and extremely fast web framework for Rust
Ratatui
Rust library for building rich terminal user interfaces and dashboards
ndarray
An n-dimensional array library for Rust with array views, slicing, and BLAS-backed numerics
resvg-js
A high-performance SVG-to-PNG renderer for Node.js and browsers, powered by Rust's resvg engine via napi-rs and WebAssembly.
rust_decimal
Pure-Rust fixed-precision Decimal type for financial and monetary calculations
utoipa
Compile-time generated OpenAPI documentation for Rust APIs
nix
Safe, friendly Rust bindings to *nix system APIs, built on top of raw libc calls
@napi-rs/canvas
A native Node.js binding to Google's Skia graphics engine that implements the HTML5 Canvas API with zero system dependencies.
rmp-serde
Serde-powered MessagePack serialization and deserialization for Rust
similar
A dependency-free Rust diffing library with Myers, Patience, Histogram, and LCS algorithms
