Parallel agent sessions
Run several coding-agent CLIs side by side in project panes, with session states and notifications so you know which one needs you.
A desktop workspace for coordinating coding agents
Ubra is a free, open-source native desktop app for running coding-agent CLIs side by side, including Claude Code and Codex. Run parallel sessions, keep each task in its own Git worktree, and review diffs and pull-request checks next to the agent that made them.
macOS 15+Apple silicon & IntelOpen sourceFreeNo releases yet
The app
Parallel sessions, one window
Projects and sessions on the left, agent sessions in panes, and usage details on the right.
What Ubra does
Coordinate agents, isolate their work, review the result
Git worktrees & branches
Organise independent work in separate Git worktrees and branches, so parallel agents don't trip over each other's changes.
Review in context
Inspect diffs, stage and commit changes, and view pull-request checks right next to the sessions that produced them.
Built-in MCP server
Supported agents can delegate and coordinate work, and keep notes, through Ubra's built-in MCP server.
Local or SSH-host sessions
Run sessions on your Mac or on a supported SSH host through the Remote Helper. No hosted relay or account required.
Sessions that keep running
Sessions can keep running when the desktop app closes or the Engine restarts.
Built with Rust · GPUI
Good to know
- Not a sandbox. Agents run with your user permissions. Worktrees keep changes apart; they do not restrict access.
- Integrations vary by agent. Claude Code and Codex have the deepest status and resume integrations. Resume and fork behaviour depends on each agent CLI.
- Platforms. Desktop: macOS 15+ on Apple silicon and Intel. Remote Helper: Linux x86_64 / aarch64 and macOS arm64.
Alternatives
How Ubra compares
Compare Herdr, Herdr GPUI, Tern, tmux and Zellij by sessions, worktrees, review and availability.
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Ubra is free and open source — sponsorship funds maintainer time.