Best Zellij Alternative
Zellij alternatives come up when you need tmux, the long-established standard that tools such as iTerm2 and Agentastic can render as native tabs, or when you want a graphical workspace for running several coding agents in parallel.
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What to look for in a Zellij alternative
- Compatibility with tmux-based tools
- A graphical workspace when you want one
- Agent-aware alerts and worktrees
Recommended options
Agentastic
Our pickNative macOS workspace with 55 built-in agent definitions and a git worktree or container per task. Built-in editor, browser, diff viewer, and AI code review.
tmux
Terminal multiplexer with windows, panes, and detachable sessions that keep running on a server. Best if you already live in the terminal.
cmux
Free, GPL-licensed Ghostty-based Mac terminal for coding agents, with vertical tabs, notification rings, a scriptable browser, and a diff viewer. You script the worktrees.
Warp
Open-source (AGPL-3.0) terminal turned agentic development environment, with local and cloud agents and an agent CLI, for macOS, Windows, and Linux.
How to switch from Zellij cleanly
tmux is the obvious cross-grade if you need its ecosystem. If your real goal is running agents, keep Zellij for your own sessions and run the agents in Agentastic, each in its own worktree.
Common questions
Can I run Zellij inside Agentastic?
Yes. Open a terminal and run Zellij like any other program. Agentastic's native-tab integration is for tmux control mode (tmux -CC), so Zellij runs as a normal terminal app.
Is Zellij better than tmux?
It depends on what you value. Zellij builds in layouts, floating panes, plugins, and session resurrection; tmux is the long-established standard that iTerm2 and Agentastic can render as native tabs.
Does Zellij run on Windows?
Yes. Zellij's site offers downloads for Linux, macOS, and Windows.