bb is an agentic IDE and orchestrator designed to be highly customizable and self-extensible through a plugin-based architecture.
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It functions as a workspace for managing multiple coding agents simultaneously, allowing them to collaborate, spawn child threads, and automate software development workflows.
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Multi-agent orchestration with thread-based task management
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Extensible plugin system for customizing UI, workflows, and integrations
- 03
Agent-to-agent communication and task hand-offs
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Support for external control via CLI, HTTP API, and shell scripts
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Local-first architecture with remote access capabilities
Open Source
Free and MIT-licensed; users pay directly for their own AI provider subscriptions or API usage.
Best for
Developers who manage multiple simultaneous coding agents and those looking to build personalized, highly automated development environments.
Not ideal for
Users seeking a traditional, rigid IDE with built-in features like native tab completion or those requiring enterprise-grade support, SSO, and centralized administration.
bb is a powerful, open-source workbench for power users who want to treat their IDE as a programmable foundation for their own software factory rather than just a code editor.
Version 0.48.0 (October 28, 2026) introduced major performance improvements, reduced memory and CPU usage, and various reliability fixes for message queues and thread handling. The 0.47.0 release added customizable sidebar navigation, improved ACP (Agent Communication Protocol) support, and a new diff review tool.
As of
Is bb free?+
Yes - bb is Open Source. Free and MIT-licensed; users pay directly for their own AI provider subscriptions or API usage.
Is bb open source?+
Yes - bb is open source. Free and MIT-licensed; users pay directly for their own AI provider subscriptions or API usage.
Who is bb best for?+
Developers who manage multiple simultaneous coding agents and those looking to build personalized, highly automated development environments.
Who is bb not ideal for?+
Users seeking a traditional, rigid IDE with built-in features like native tab completion or those requiring enterprise-grade support, SSO, and centralized administration.
What are the best bb alternatives?+
The closest bb alternatives on ai.dosa.dev are Cursor, Devin, Trae - all listed under AI-Native IDEs & Editors.
Who makes bb?+
bb is developed by get-bb. It is listed in the AI-Native IDEs & Editors category on ai.dosa.dev.
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