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
micromark
The smallest 100% CommonMark-compliant markdown parser, with GFM and MDX support
bytes
Tiny utility for parsing and formatting byte strings like '1kb'
@rjsf/core
The React engine that turns a JSON Schema into a fully working form
sjson
A fast, dependency-light Go library for setting and deleting values in JSON documents by dot-path, without full unmarshaling.
Symfony HttpClient
A low-overhead, high-performance PHP HTTP client with sync, async, and streaming support
conf
Simple, schema-validated config file persistence for Node.js apps and CLI tools
serde_with
Custom de/serialization helpers for Rust's serde, via the with and serde_as annotations
Partial JSON
Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.
Symfony Process
Execute and manage sub-processes from PHP with a safe, cross-platform, streaming API
Symfony VarDumper
A better dump() function for PHP that walks and renders any variable clearly.
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
PHPMailer
The classic full-featured email creation and sending library for PHP
PhpSpreadsheet
Read, write, and manipulate Excel, CSV, and ODS spreadsheet files in pure PHP with no external office suite required.
Symfony Console
The PHP framework component for building beautiful, testable command-line applications
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.
Sentry for Laravel
Official Sentry SDK for Laravel with automatic error, log, and performance tracing capture
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.
Monolog
The PSR-3 logging library that sends PHP logs to files, sockets, databases, and dozens of web services