Upvoted Tools

OpenAI's lightweight, provider-agnostic framework for building multi-agent and voice agent workflows in Python and TypeScript with very few abstractions.

Low-level orchestration framework from LangChain for building stateful, long-running agents with durable execution, human-in-the-loop control, and first-class streaming.

Flue is a TypeScript agent harness framework for building headless, programmable AI agents that deploy anywhere — Node.js, Cloudflare, GitHub Actions, and more.

A TypeScript library for orchestrating AI coding agents in isolated sandboxes using Docker, Podman, or Vercel, with configurable branch strategies and a simple sandcastle.run() API.

A lightweight CLI and library for enforcing filesystem and network restrictions on arbitrary processes at the OS level using native sandboxing primitives, without requiring a container.

Lightpanda is an open-source headless browser built in Zig, designed for AI agents and browser automation with ultra-low memory usage and fast execution.

A Rust-based open-source control plane for warehouse pipelines with branches, replay, column-level lineage, compile-time safety, and per-model cost attribution.

An unofficial Python API and CLI for Google NotebookLM, providing full programmatic access to notebooks, sources, chat, content generation, and downloads.

A Claude Code-native port of the Hermes Agent framework featuring 46 skills across 10 categories, with no OAuth, no external process, and no model lock-in.

An open-source library of 235 production-ready Claude Code skills, agent plugins, and personas for 12 AI coding tools including Cursor, Codex, and Gemini CLI.