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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Effect
A TypeScript library and ecosystem for building robust, type-safe, concurrent applications with a full functional effect system
Partial JSON
Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.
officeParser
Parse Office documents into a rich AST and generate Markdown, HTML, PDF, or RAG chunks
schema-dts
TypeScript type definitions for Schema.org's JSON-LD vocabulary, giving structured data literals full autocomplete and compile-time validation.
LangSmith Python SDK
The official Python client for tracing, evaluating, and monitoring LLM applications on the LangSmith platform.
platform.js
A dependency-free JavaScript library that parses user-agent strings to identify browser, OS, device, and layout engine across almost any runtime.
Jenssegers Agent
PHP desktop and mobile user-agent parser with first-class Laravel support.
whoami
Cross-platform Rust library that reads the current user's name, hostname, OS, desktop environment, and CPU architecture.
baml
The Python runtime for BAML — a typed prompt language that compiles LLM calls into type-safe, testable client code.
Llama Cloud Services
Python SDK for LlamaCloud's document parsing, extraction, and managed index services
LlamaParse
GenAI-native document parser that turns complex files into LLM-ready text and Markdown.
native-tls
A safe, ergonomic Rust wrapper over each platform's native TLS implementation.
Partial JSON Parser
A zero-dependency Python library that completes and parses incomplete JSON streamed token-by-token from LLMs.