An open framework to simulate and deploy perception-based PX4/ArduPilot drone swarms with ROS2, YOLO, LiDAR, NVIDIA Jetson

🤖 An open-source, AI agent-native research canvas application that performs real-time search with HITL (Human in The Loop) capabilities, powered by CopilotKit, Tavily and LangGraph

Free and source-available Apache 2.0 licensed lightweight workflow automation tool.

Build interactive AI agents in Elixir with OTP supervision, middleware composition, human-in-the-loop approvals, sub-agent delegation, and real-time Phoenix LiveView integration. Built on LangChain.

7 production n8n workflows from Jacobo, a multi-agent AI system (WhatsApp + Voice). Open source by default.

Authenticated email gateway for AI agents — SPF/DKIM verified inbound, HMAC-signed delivery, webhook + WebSocket fan-out, CLI + SDKs

A proactive AI agent for secure, traceable, human-in-the-loop task execution over long-running workflows.

Visual multi-agent system designer for Claude Code. 28 agents, Five Minds Protocol, HITL gates, Live Simulation. Zero dependencies, single HTML file.

Admin Panels and Enterprise Tools UI Toolkit for Java Teams

Cyphal/DroneCAN UAV HITL simulator

LLM-driven Linux operations assistant CLI with mandatory HITL safety, policy engine, runbooks, SSH guards, and audit trails.

Placet is a Modular HITL Agent communication platform build with flexibility and independence in mind

LangGraph Typescript Agents Notebooks: email, human in the loop, memory

Revolutionary AI ETL with Medallion Architecture: Zero-touch autonomous & HITL pipelines on Databricks

Claude Code plugin — structural guardrails for multi-agent software development. RTM-based evidence, cross-model adversarial audit, 7 MCP tools, worktree isolation, HITL retrospective. DOI: 10.5281/zenodo.19108370

Pause your AI agent. Ask a human. Resume with their answer. Open source human-in-the-loop (HITL) library for production LLM agents: Slack, email, and web dashboard. Typed Pydantic and Zod responses. Durable Temporal and LangGraph adapters. AI verifier. Audit trail. Self-hosted, Apache 2.0. Python and TypeScript.

HITL agent workflows in TypeScript: pause for human approval, multi-approver gates, timeouts, audit-friendly stores, Slack/webhook notify.

A example A2a Server with Human-In-The-Loop feature.

Examples of Interactive Workflows with Prefect

Lean orchestration platform for enterprise AI — where each decision costs hundreds. State machine core, HITL as a first-class state, corrections that accumulate. First use-case being Coding agent. Open research, early stage.