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

64Health
Framework npm

@tryghost/api-framework

A composable request pipeline that runs Ghost's API controllers through validation, serialization, permissions, and query stages.

37
MIT
Used by 1
37Health
Library npm

memory-level

In-memory abstract-level database for Node.js and browsers, backed by a fully persistent red-black tree.

36
MIT
Used by 1
51Health
SDK npm

configcat-js

Official JavaScript SDK for evaluating ConfigCat feature flags and remote config values directly in the browser.

34
MIT
Used by 1
45Health
Library PyPI

fastar

High-performance Python tar archives powered by Rust

34
MIT
Used by 1
38Health
SDK PyPI

altcha

Create and verify ALTCHA proof-of-work CAPTCHA challenges in Python with a zero-dependency, fully typed library.

33
MIT
Used by 1
22Health
Library npm

weakmap-polyfill

A lightweight, spec-compliant ES6 WeakMap polyfill for browsers and JS engines without native support.

32
MIT
Used by 1
35Health
Library PyPI

matplotlib-inline

Inline Matplotlib backend that renders figures directly inside Jupyter and IPython notebook cells.

30
BSD 3
Used by 1
73Health
Library PyPI

Microsoft Kiota Abstractions

Core request, serialization, and auth abstractions that every Kiota-generated Python API client depends on to build and run.

30
MIT
Used by 1
24Health
Library npm

simple-xml-to-json

A tiny, dependency-free library that transpiles XML into JSON through an AST.

30
MIT
Used by 1
69Health
Library PyPI

abxpkg

Modern, strongly-typed Python library and CLI for detecting, installing, and managing system binaries across apt, brew, pip, npm, cargo, and more.

28
MIT
Used by 1
29Health
Library PyPI

loro-py

Python bindings for the Loro CRDT engine for local-first, collaborative data.

28
MIT
Used by 1
47Health
Library PyPI

elastic-transport-python

The shared HTTP transport layer powering Elastic's Python client libraries

24
Apache 2.0
Used by 1
27Health
Library npm

estree-util-build-jsx

Converts JSX embedded in an ESTree syntax tree into React.createElement or automatic jsx-runtime calls.

23
MIT
Used by 1
22Health
Library npm

EVP_BytesToKey

Reimplements OpenSSL's legacy EVP_BytesToKey key-derivation algorithm in pure JavaScript for compatibility with older OpenSSL-encrypted data.

21
MIT
Used by 1
31Health
Library PyPI

python-mimeparse

Basic functions for parsing and content-negotiating Internet media types in Python.

20
MIT
Used by 1
69Health
Library PyPI

tag-expressions

A small boolean-expression parser and evaluator for selecting Gherkin scenarios by tag, used by behave and other Cucumber-family test runners.

20
MIT
Used by 1
46Health
Library npm

string.prototype.matchall

Spec-compliant ES2020 polyfill for String.prototype.matchAll.

17
MIT
Used by 1
48Health
SDK PyPI

firebolt-sdk

A Python DB-API 2.0 client for the Firebolt cloud data warehouse.

16
Apache 2.0
Used by 1
31Health
Library PyPI

sanic-routing

The AST-compiled node-tree router that powers Sanic's path and signal routing.

16
MIT
Used by 1
33Health
Library npm

@connectrpc/validate

A Connect interceptor that validates RPC requests and responses using Protobuf constraints and CEL expressions.

14
Apache 2.0
Used by 1
27Health
Library PyPI

spacy-loggers

Training-run loggers for spaCy: Weights & Biases, MLflow, ClearML, PyTorch, CuPy

12
MIT
Used by 1
47Health
Library PyPI

quickjs-rs

Sandboxed JavaScript and TypeScript execution for Python, running QuickJS inside a WebAssembly sandbox.

11
MIT
Used by 1
26Health
Library npm

@tinyhttp/logger

Minimal and flexible HTTP request logger middleware for tinyhttp and Node.js.

10
MIT
Used by 1
58Health
SDK npm

node-client-sdk

LaunchDarkly's client-side feature-flag SDK for single-user Node.js apps, now superseded by the scoped @launchdarkly/node-client-sdk package.

9
Apache 2.0
Used by 1

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