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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html-react-parser
Converts HTML strings into React elements, working seamlessly on both server and client
feedparser
Parses RSS, Atom, RDF, CDF, and JSON feeds into one normalized Python dictionary.
tree-sitter-javascript
JavaScript and JSX grammar for the tree-sitter incremental parsing library
json_repair
Repair malformed JSON from LLMs, APIs, logs, and user input — a drop-in fallback for json.loads().
msgspec
A fast, zero-cost serialization and validation library for JSON, MessagePack, YAML, and TOML in Python.
officeParser
Parse Office documents into a rich AST and generate Markdown, HTML, PDF, or RAG chunks
json-2-csv
Converts arrays of JSON documents to RFC 4180 compliant CSV and back, with native support for nested sub-documents.
humantime
A fast parser and formatter for std::time::Duration and SystemTime in human-friendly notation
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.
nom
A byte-oriented, zero-copy parser combinators library for Rust
diff2html
Generate pretty, GitHub-style HTML diffs from git diff or unified diff output
config
Layered configuration system for Rust applications with strong 12-factor support
pulldown-cmark
A fast, safe pull parser for CommonMark Markdown written in pure Rust
flat
Flattens nested JavaScript objects into dot-delimited keys and unflattens them back, with a bundled CLI.
quick-xml
A high-performance, near-zero-copy XML pull parser and writer for Rust
rss-parser
Lightweight RSS and Atom feed parser for Node.js and the browser that turns XML feeds into plain JavaScript objects
tree-sitter-c-sharp
C# grammar for tree-sitter, based on the Roslyn language grammar
email-addresses
A dependency-free RFC 5322 email address parser for JavaScript and Node.js.
tree-sitter
Incremental parsing library for building fast, resilient syntax trees
json2csv
Convert JSON arrays into CSV strings and files with configurable fields, formatters, and streaming parsers for Node.js.
csv-parser
A zero-dependency streaming CSV parser for Node.js that converts CSV into JSON at high speed.
json-logic-js
A lightweight JavaScript engine for building, storing, and executing JsonLogic rules across the front-end, back-end, and database.
jsonschema
A compliant, dependency-light Go library for compiling and validating JSON Schema across five draft versions, with rich hierarchical errors.
jmespath.js
Query and transform JSON data in JavaScript with a single declarative expression string
