tmux, Zellij, Windows Terminal, WezTerm, Warp, and shell-layout tools for developers running coding agents.
Multiplexers solve layout — splitting one terminal window into many panes, organizing them into tabs, and (in tmux/Zellij) keeping the whole arrangement alive when you close the window. They are excellent at this. They are not agent managers because they do not know about branches, diffs, or which pane is running an agent versus a build.
Splitting a window, switching panes, and saving a layout — same problem, four different keybinding worlds.
$tmux new -s work$Ctrl-b % # split pane vertically$Ctrl-b " # split pane horizontally$Ctrl-b o # cycle panes$tmux detach && tmux attach -t work- one agent at a time — split off a sibling pane for git status and you are done
- remote-only work — SSH in, attach, leave the agents running
- you already love your config — your tmux/Zellij setup is muscle memory
- mostly shells, sometimes agents — agents are not the dominant workload
The handoff happens around three or four parallel agents. The symptoms are unmistakable: you keep mistyping git status in the wrong pane, you cannot remember which pane is mid-edit, and you have started writing a tmux script to spawn worktrees and label panes after the branch.
At that point the multiplexer is doing two jobs — layout and bookkeeping — and only one of them is what it is good at.
tmux, Zellij, and screen are Unix tools. On Windows they live inside WSL, which means the agent manager living in tmux only sees the Linux side. Windows Terminal is a real Windows app but has no sessions, no detach, no scripted layouts beyond initial spawn — it is closer to a tabbed terminal emulator. WezTerm is the only cross-platform option in this list, and its multiplexer is opt-in.
- do you need shell layout or agent workflow?
- do you need worktree lifecycle management?
- do you need Windows-native behavior?
- do you need review and git actions in the same app?
Pane fits when the terminals are long-running coding agents producing branches and diffs, not just shells to arrange.
| tool | constraint | what pane does instead |
|---|---|---|
| tmux | shell layout only. Unix-native. | agent sessions, worktrees, and review on top of the layout |
| Zellij | shell layout. no agent or worktree concept. | agent-aware sessions tied to branches and diffs |
| Windows Terminal | tabs and panes only. no session model. | named sessions that survive restarts and show status |
| WezTerm | terminal emulator with multiplexing. no review surface. | diff review and git actions in the same window |
| Warp | agent-augmented terminal. session-bound to Warp. | any CLI agent in any terminal, isolated per worktree |
Solving an agent-management problem with shell layout alone. More panes help until every pane has its own branch, diff, and review decision.
Need agent workflow on top of the layout? Download Pane.