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

75Health
Library PyPI

feedparser

Parses RSS, Atom, RDF, CDF, and JSON feeds into one normalized Python dictionary.

2,421
Other
Used by 9
31Health
Library npm

Partial JSON

Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.

244
MIT
Used by 9
87Health
Tool PyPI

isort

Automatically sorts and organizes Python import statements

6,951
MIT
Used by 8
84Health
Library PyPI

json_repair

Repair malformed JSON from LLMs, APIs, logs, and user input — a drop-in fallback for json.loads().

5,096
MIT
Used by 8
77Health
Library PyPI

Markdown

The reference Python implementation of John Gruber's Markdown, with a pluggable extension system for converting text to HTML.

4,246
BSD 3
Used by 8
58Health
Tool PyPI

flake8

The CLI linter that wraps PyFlakes, pycodestyle, and McCabe complexity checks into a single Python style and error checker.

3,823
MIT
Used by 8
55Health
SDK npm

msgraph-sdk-javascript

Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.

833
MIT
Used by 8
72Health
Library npm

officeParser

Parse Office documents into a rich AST and generate Markdown, HTML, PDF, or RAG chunks

539
MIT
Used by 8
70Health
Library npm

json-2-csv

Converts arrays of JSON documents to RFC 4180 compliant CSV and back, with native support for nested sub-documents.

458
MIT
Used by 8
58Health
Library Cargo

humantime

A fast parser and formatter for std::time::Duration and SystemTime in human-friendly notation

395
Apache 2.0
Used by 8
87Health
Framework npm

oclif Core

The Node.js framework that powers Salesforce CLI and Heroku CLI, providing flag parsing, help generation, and a plugin system for building CLIs.

316
MIT
Used by 8
42Health
Library Cargo

nom

A byte-oriented, zero-copy parser combinators library for Rust

10,470
MIT
Used by 7
94Health
Library npm

gridstack.js

A dependency-free TypeScript library for building draggable, resizable, responsive dashboard grid layouts in the browser.

9,115
MIT
Used by 7
54Health
Library npm

diff2html

Generate pretty, GitHub-style HTML diffs from git diff or unified diff output

3,408
MIT
Used by 7
83Health
Library Cargo

pulldown-cmark

A fast, safe pull parser for CommonMark Markdown written in pure Rust

2,718
MIT
Used by 7
86Health
Library Cargo

quick-xml

A high-performance, near-zero-copy XML pull parser and writer for Rust

1,569
MIT
Used by 7
57Health
Library Cargo

tree-sitter-javascript

JavaScript and JSX grammar for the tree-sitter incremental parsing library

493
MIT
Used by 7
37Health
Library npm

email-addresses

A dependency-free RFC 5322 email address parser for JavaScript and Node.js.

272
MIT
Used by 7
95Health
Library Cargo

tree-sitter

Incremental parsing library for building fast, resilient syntax trees

26,949
MIT
Used by 6
73Health
Library PyPI

OAuthLib

Generic, spec-compliant OAuth1, OAuth2, and OpenID Connect implementation for Python

2,980
BSD 3
Used by 6
47Health
Library npm

csv-parser

A zero-dependency streaming CSV parser for Node.js that converts CSV into JSON at high speed.

1,503
MIT
Used by 6
56Health
Library npm

toml-node

A zero-dependency, spec-compliant TOML parser for Node.js with BigInt and Temporal support.

326
MIT
Used by 6
63Health
Library npm

set-cookie-parser

Parse raw Set-Cookie header values into structured JavaScript cookie objects

197
MIT
Used by 6
67Health
Library PyPI

pendulum

A drop-in replacement for Python's datetime with timezone-aware objects by default and a friendlier API.

6,674
MIT
Used by 5

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