8 Best Cua Alternatives in 2026 (Open Source)
Cua — Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation, and data generation. Provides comprehensive infrastructure for computer-use 2.0 agents that move between code, APIs, and graphical interfaces within the same task.
These 8 open-source tools do the same job. They are ordered by how closely they match Cua, with live GitHub data so you can see which projects are actively maintained.
| Tool | GitHub stars | Stars / 30d | Last commit |
|---|---|---|---|
| Cua(original) | 27.5k | +2,296 | 2026-09-30 |
| Agent-S | 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 |
| UFO | 9.9k | +261 | 2026-09-29 |
| ego lite | 16.7k | +1,394 | 2026-09-17 |
| screenpipe | 21.8k | +1,815 | 2026-09-30 |
| OpenSandbox | 15.6k | +1,301 | 2026-09-30 |
1. Agent-S
Agent S: an open agentic framework that uses computers like a human
What sets it apart: Open-source framework that achieves human-level performance on OSWorld benchmark for computer GUI interaction.
Best for: Building agents for desktop automation; Research on computer use agents; Benchmarking GUI interaction capabilities
2. 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
3. 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
4. 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
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. ego lite
The fastest browser for AI agents to run browser automation, built for sharing your logged-in browser state with your AI agents, like Codex or Claude Code, with
What sets it apart: A browser built from the start for shared use between a human and AI agents, with direct state sharing and isolated execution spaces.
Best for: Running AI agents that require web automation with real user sessions; Users wanting agents to act on logged-in websites without manual setup; Parallel browsing where agents work without interrupting the user
7. screenpipe
YC (S26) | Open Computer History | Record your screen continuously locally and provide context to your agents (Claude, Codex, Openclaw, Hermes, Runner...)
What sets it apart: Provides continuous local screen capture specifically to power AI agents with real-time user context.
Best for: Providing real-time screen context to coding agents; Creating agents that respond to user activity; Local knowledge base of computer work
8. OpenSandbox
Secure, Fast, and Extensible Sandbox runtime for AI agents.
What sets it apart: Provides high-performance Firecracker-based sandboxes with pause/resume capabilities and unified API for both local Docker and Kubernetes deployments.
Best for: Running coding agents in isolated environments; Deploying browser-based AI agents securely; Scaling agent execution on Kubernetes infrastructure
FAQ
- What are the best alternatives to Cua?
- The closest open-source alternatives to Cua are Agent-S, Self-Operating Computer and Robotgo, followed by UI-TARS-desktop, UFO and ego lite. They are ranked by how closely they match what Cua does.
- Which Cua alternative is the most popular?
- UI-TARS-desktop has the most GitHub stars among Cua alternatives, with 39,172 stars.
- Which Cua alternative is the most actively maintained?
- By recent activity, screenpipe (2,832 commits in the last 90 days) is the most actively developed alternative.