Looking to replace Manus AI with something free and open-source? These 5 tools are the best open alternatives in 2026 — most are self-hostable, so you keep full control of your data and pay no subscription.





Click a column to sort — the best one depends on what matters to you.
| Alternative | Stars | Language | License | Last commit | In one line |
|---|---|---|---|---|---|
| AgenticSeek | ★ 27.1k | Python | GPL-3.0 | 1 months ago | Fully local autonomous agent that thinks, browses and codes without APIs. |
| autoMate | ★ 4k | Python | MIT | 17 days ago | Computer-use agent that automates your desktop locally. |
| OpenHands | ★ 85.6k | TypeScript | MIT | 13 days ago | Autonomous agent that browses, codes and completes multi-step tasks. |
| Suna | ★ 20.2k | TypeScript | Apache-2.0 | 13 days ago | Open-source generalist AI agent, a Manus alternative. |
| Agno | ★ 42k | Python | MPL-2.0 | 13 days ago | Framework to build fast, multi-modal autonomous agents. |
Fully local autonomous agent that thinks, browses and codes without APIs. Its GPL-3.0 license keeps the project and its forks open-source forever, and commercial use is allowed. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Computer-use agent that automates your desktop locally. Its MIT license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Autonomous agent that browses, codes and completes multi-step tasks. Its MIT license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Open-source generalist AI agent, a Manus alternative. Its Apache-2.0 license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Framework to build fast, multi-modal autonomous agents. Its MPL-2.0 license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
The top open-source alternative is AgenticSeek — Fully local autonomous agent that thinks, browses and codes without APIs. The full ranked list is above.
Yes. Every tool listed is open-source and free to use; most can be self-hosted so you keep full control of your data.
Most of these tools are designed to run on your own server or machine, giving you privacy and no subscription fees.
Browse open-source replacements for dozens of popular tools — design, productivity, dev, analytics and more.
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