Zero is a terminal-based AI coding agent designed for local ownership, privacy, and full control over your development environment.
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It features durable local sessions, OS-level sandboxing for permissions, and support for over 25 model providers or local models.
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Durable local sessions that are searchable, resumable, and forkable
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Comprehensive permission gating and OS-level sandboxing for all side effects
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Support for 25+ model providers (including Ollama, LM Studio, and OpenAI-compatible endpoints)
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Agent orchestration via specialist subagents and parallel task execution
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Scriptable headless operation for CI/CD pipelines
Open Source
MIT licensed; free to use with your own API keys (Bring Your Own Key).
Best for
Privacy-focused developers who require a terminal-first coding agent with full ownership of data, session history, and execution environments.
Not ideal for
Users who prefer a cloud-native or zero-configuration experience that does not require managing local API keys or model configurations.
Zero is a powerful, transparent, and highly secure terminal agent that excels for power users who want a privacy-first workflow with deep control over agent behavior.
Version 0.9.0 (September 2026) introduced ACP for portable session lists and resumes, added structured file change emission, and enabled interactive terminal attachment for TTY exec sessions.
As of
Is Zero free?+
Yes - Zero is Open Source. MIT licensed; free to use with your own API keys (Bring Your Own Key).
Is Zero open source?+
Yes - Zero is open source. MIT licensed; free to use with your own API keys (Bring Your Own Key).
Who is Zero best for?+
Privacy-focused developers who require a terminal-first coding agent with full ownership of data, session history, and execution environments.
Who is Zero not ideal for?+
Users who prefer a cloud-native or zero-configuration experience that does not require managing local API keys or model configurations.
What are the best Zero alternatives?+
The closest Zero alternatives on ai.dosa.dev are Claude Code, Codex CLI, Amp - all listed under Terminal & CLI Agents.
Who makes Zero?+
Zero is developed by Gitlawb. It is listed in the Terminal & CLI Agents category on ai.dosa.dev.
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