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
Sort:Used by Most Apps
keyring-rs
Cross-platform Rust library for storing passwords and secrets in the OS-native credential store
napi-rs
Build precompiled Node.js add-ons in Rust via Node-API, no node-gyp required
prost
A Protocol Buffers implementation for Rust that generates simple, idiomatic types via derive macros.
JSONPath
A JavaScript library for querying, transforming, and extracting data from JSON documents using an extended JSONPath syntax.
num_cpus
A small Rust crate for counting the logical and physical CPU cores on the current machine.
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
@rjsf/core
The React engine that turns a JSON Schema into a fully working form
Arrow
The official Rust implementation of the Apache Arrow columnar in-memory data format.
sjson
A fast, dependency-light Go library for setting and deleting values in JSON documents by dot-path, without full unmarshaling.
conf
Simple, schema-validated config file persistence for Node.js apps and CLI tools
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
Partial JSON
Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.
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
