B

B

B is an autonomous, context-aware desktop AI companion with real-time screen vision, voice synthesis, and dynamic expressions.

🌍 OverseasFreeOpen sourceGeneral开源桌面操作Python
Platforms: Desktop
Region
Overseas
Pricing
Free
Open source
Yes
GitHub Stars
★ 1.1k
Views
2
Source
GitHub
Added
2026-10-19
Last verified
2026-10-19

Overview

B is an autonomous, context-aware desktop AI companion built with Python. It features real-time screen vision, custom ONNX-based voice synthesis, active window tracking, and a dynamic floating UI with reactive facial expressions. B observes user workflows, listens with neural-level precision, and interacts through a high-performance glass-like overlay layer. Its design goal is to act as an proactive desktop companion that offers valuable assistance at the right moments, rather than waiting for commands.

Key features

  • ▪Real-time screen vision
  • ▪Custom ONNX voice synthesis
  • ▪Active window tracking
  • ▪Dynamic floating UI
  • ▪Reactive facial expressions

Use cases

Increase productivityAssist with daily tasksEnhance user experiencePersonalized desktop assistant

Pros

  • +High autonomy
  • +Context-aware
  • +Highly customizable
  • +Open-source and free

Limitations / notes

  • -Requires some technical knowledge
  • -Requires internet connection to run

Who it's for

DevelopersOffice workersStudentsTech enthusiasts

This overview was compiled by AI from public sources and may contain inaccuracies — please refer to the official site.

FAQ

Is B free?

Yes, B is open-source and free.

Which platforms does B support?

Currently, B primarily supports desktop platforms.

Does B require internet access?

Yes, B requires internet connectivity to function properly.

Does B support Chinese?

The material does not explicitly mention it, but multilingual support is possible through custom configuration.

Similar agents

Something wrong? Let us know on the About page and we'll fix it.