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