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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npm-run-all
A cross-platform CLI that runs multiple npm-scripts in parallel or in sequence, replacing fragile shell operators like && with Windows-safe orchestration.
Effect
A TypeScript library and ecosystem for building robust, type-safe, concurrent applications with a full functional effect system
serial_test
Attribute macros that serialize or parallelize Rust tests via named locks.
Mastra Core
The TypeScript framework for building AI agents, workflows, and RAG apps with unified access to 40+ LLM providers.
Agents
Persistent, stateful AI agents on Cloudflare Durable Objects with real-time sync
@trigger.dev/sdk
Official TypeScript SDK for defining and triggering background tasks and AI agent workflows on Trigger.dev
workflow
Durable, resilient workflow execution for TypeScript, with automatic retries, persistence, and built-in observability.
Agent Framework Core
Microsoft's core Python package for building and orchestrating production-grade AI agents