Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

50Health
Library npm

follow-redirects

A drop-in replacement for Node's http and https modules that transparently follows redirects with zero runtime dependencies.

580
MIT
Used by 7
95Health
Library Cargo

tree-sitter

Incremental parsing library for building fast, resilient syntax trees

26,949
MIT
Used by 6
74Health
Library Go

certmagic

Automatic HTTPS for Go programs — the production-grade ACME client library that powers Caddy, obtaining and renewing TLS certificates with zero manual cert management.

5,598
Apache 2.0
Used by 6
63Health
Library Cargo

console-subscriber

tracing-subscriber Layer that powers tokio-console, a debugger for async Rust

4,599
MIT
Used by 6
70Health
Library Cargo

ring

Safe, fast, small cryptographic primitives for Rust, built on verified assembly from BoringSSL

4,107
Other
Used by 6
58Health
Library PyPI

watchfiles

Simple, modern, and fast file watching and code-reload for Python, powered by a Rust core built on the `notify` crate

2,534
MIT
Used by 6
88Health
Library Cargo

ort

A safe Rust wrapper for ONNX Runtime — fast ML inference and training

2,505
Apache 2.0
Used by 6
62Health
Library Cargo

memchr

Extremely fast SIMD-accelerated byte and substring search for Rust

1,559
Other
Used by 6
42Health
Library Cargo

libfuzzer-sys

Rust bindings to LLVM's libFuzzer for coverage-guided fuzz testing

267
Apache 2.0
Used by 6
36Health
Library Cargo

serde_urlencoded

Serialize and deserialize application/x-www-form-urlencoded data in Rust using Serde

264
Apache 2.0
Used by 6
91Health
Library Cargo

portable-pty

Cross-platform Rust API for pseudo-terminals, with runtime-selectable implementations

28,892
MIT
Used by 5
84Health
Tool npm

quicktype

Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL

13,868
Apache 2.0
Used by 5
88Health
Tool PyPI

Granian

A fast Rust HTTP server for Python that serves ASGI, WSGI, and RSGI applications

5,639
BSD 3
Used by 5
91Health
Library Cargo

cpal

Low-level, cross-platform audio I/O library for Rust with a unified API over ALSA, WASAPI, CoreAudio, JACK, and more.

3,932
Apache 2.0
Used by 5
84Health
Library Cargo

sqlparser

Extensible SQL lexer and parser for Rust, conforming to ANSI SQL:2011

3,455
Apache 2.0
Used by 5
68Health
Library Cargo

lettre

Build and send emails in Rust via SMTP, sendmail, or file transport

2,260
MIT
Used by 5
43Health
Library Go

gock

Versatile HTTP traffic mocking for Go, intercepting any net/http-based client for deterministic tests.

2,217
MIT
Used by 5
72Health
Library Cargo

rust-rocksdb

Idiomatic Rust bindings and wrapper for Facebook's RocksDB embedded key-value store.

2,177
Apache 2.0
Used by 5
90Health
Library Cargo

icu

ICU4X: the Rust meta-crate for internationalization — locale-aware dates, collation, casing, segmentation, and more

1,861
Other
Used by 5
47Health
Library Cargo

oauth2-rs

An extensible, strongly-typed Rust implementation of the OAuth2 protocol (RFC 6749) with PKCE, introspection, revocation, and device flow support.

1,206
Apache 2.0
Used by 5
74Health
Library Cargo

Testcontainers for Rust

Integration-test against throwaway Docker containers from within Rust

1,129
Apache 2.0
Used by 5
73Health
Library Cargo

rust-brotli

A no-std-friendly Rust port of Google's Brotli compressor and decompressor, byte-compatible with the reference C implementation.

943
BSD 3
Used by 5
75Health
Library Cargo

num-bigint

Arbitrary-precision BigInt and BigUint types for Rust

612
Other
Used by 5
86Health
Library PyPI

hf-xet

Rust-powered Python bindings enabling fast, chunk-deduplicated file transfer with the Hugging Face Hub.

587
Apache 2.0
Used by 5

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