8 Best Agent-S Alternatives in 2026 (Open Source)
Agent-S — Agent S: an open agentic framework that uses computers like a human. Open-source framework that achieves human-level performance on OSWorld benchmark for computer GUI interaction.
These 8 open-source tools do the same job. They are ordered by how closely they match Agent-S, with live GitHub data so you can see which projects are actively maintained.
| Tool | GitHub stars | Stars / 30d | Last commit |
|---|---|---|---|
| Agent-S(original) | 12.5k | +1,039 | 2026-09-05 |
| Self-Operating Computer | 10.3k | +13 | 2025-09-19 |
| Robotgo | 10.9k | +904 | 2026-09-21 |
| UI-TARS-desktop | 39.2k | +3,264 | 2026-09-24 |
| Cua | 27.5k | +2,296 | 2026-09-30 |
| UFO | 9.9k | +261 | 2026-09-29 |
| Open Interpreter | 68.5k | +898 | 2026-09-30 |
| AppAgent | 6.9k | +44 | 2025-03-19 |
| Midscene.js | 15.0k | +1,254 | 2026-09-29 |
1. Self-Operating Computer
A framework to enable multimodal models to operate a computer.
What sets it apart: vs Anthropic Computer Use / Browser Use: one of the first open-source frameworks for full computer-use — multimodal models see the screen and execute mouse/keyboard actions across any application, not just browsers
Best for: Automating computer tasks requiring visual understanding; Researching multimodal agent computer interaction; Cross-application workflow automation via screen recognition
2. Robotgo
RobotGo, Go Native cross-platform RPA, GUI automation, Auto test and Computer use @vcaesar
What sets it apart: Native Go implementation for cross-platform desktop automation specifically designed for AI computer use and agent systems.
Best for: building AI agents that need GUI interaction; desktop automation for AI systems; cross-platform RPA implementations
3. UI-TARS-desktop
The Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra
What sets it apart: Open-source stack combining multimodal GUI agents with vision and extensive MCP tool integration for human-like task completion.
Best for: multimodal agent development; GUI automation tasks; browser/computer control automation
4. Cua
Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation, and data generation.
What sets it apart: Provides comprehensive infrastructure for computer-use 2.0 agents that move between code, APIs, and graphical interfaces within the same task.
Best for: Training computer-use AI agents; Evaluating agent performance on desktop tasks; Running agents in isolated cloud environments
5. UFO
UFO³: Weaving the Digital Agent Galaxy
What sets it apart: Microsoft's research framework for AI-driven desktop automation with deep Windows OS integration and multi-device DAG orchestration — vs browser-only agents or RPA tools lacking AI reasoning
Best for: Automating complex Windows desktop workflows via AI; Cross-device task orchestration across heterogeneous platforms; Enterprise desktop automation requiring GUI interaction
6. Open Interpreter
A natural language interface for computers
What sets it apart: vs ChatGPT Code Interpreter: runs locally with full internet access, no file size limits, any package available, and persistent state
Best for: Power users wanting natural language control of their computer; Rapid prototyping and data analysis via conversational coding
7. AppAgent
AppAgent: Multimodal Agents as Smartphone Users, an LLM-based multimodal agent framework designed to operate smartphone apps.
What sets it apart: CHI 2025 paper — first multimodal agent that learns to operate smartphone apps through autonomous exploration or human demonstration, building reusable knowledge bases for UI elements without requiring system backend access
Best for: Research on multimodal AI agents for GUI automation; Exploring LLM-driven mobile app testing and interaction
8. Midscene.js
GUI Agent for E2E Testing
What sets it apart: Uses visual understanding rather than selectors to interact with and verify UI elements across multiple platforms.
Best for: Writing E2E tests in natural language; Testing across multiple platforms with consistent APIs; Verifying visual UI states without writing selectors
FAQ
- What are the best alternatives to Agent-S?
- The closest open-source alternatives to Agent-S are Self-Operating Computer, Robotgo and UI-TARS-desktop, followed by Cua, UFO and Open Interpreter. They are ranked by how closely they match what Agent-S does.
- Which Agent-S alternative is the most popular?
- Open Interpreter has the most GitHub stars among Agent-S alternatives, with 68,477 stars.
- Which Agent-S alternative is the most actively maintained?
- By recent activity, Open Interpreter (2,740 commits in the last 90 days) is the most actively developed alternative.