2 open-source tools that do some or all of what Manus does. Check the features you rely on before switching.
OpenManus is an open-source general-purpose AI agent that takes an idea typed into a terminal and works through it using tools such as a web browser. It is a free alternative to the invite-only Manus agent, and you supply your own language model API key.
Could replace Manus
Open Duet is a self-hosted workspace for creating named AI agents that each have instructions, memory, a workspace and approval settings. It lets you hand work to a team of agents, run scheduled routines and review what they do, using an AI engine you already have.
Could replace Manus, ChatGPT agent
