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
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.
Phoenix
The official JavaScript client for Phoenix Channels — multiplexed WebSocket realtime with automatic reconnection and presence tracking.
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.
openapi-generator-cli
Generate API client SDKs, server stubs, and docs from an OpenAPI spec across 170+ languages and frameworks.
native-tls
A safe, ergonomic Rust wrapper over each platform's native TLS implementation.