cmux alternatives: 6 apps ranked by verified data
Common reasons people leave cmux: macOS only for now; other platforms are on a waitlist, and built around agent workflows, so it adds clutter if you just want a plain terminal. We ranked 6 alternatives by how directly each one replaces cmux, then by reviews, real visits and how recently each app's facts were checked against its own website. Ghostty currently ranks first.
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Show all 6 alternativesThe best cmux alternative for…
The highest-ranked app in this list for each need.
Best cmux alternative for most people
GhosttySame rendering engine and config, as a plain fast terminal without the agent sidebar and browser.
Best cmux alternative for a free option
iTerm2Mature, highly configurable Mac terminal with split panes and tmux integration.
Best cmux alternative for a free plan you can upgrade
WarpAgent-focused terminal with built-in AI features and block-based output, also on Windows and Linux.
Best cmux alternative for open source
WezTermCross-platform GPU terminal with built-in multiplexing and Lua scripting.
Best cmux alternative for Mac
tmuxRuns inside any terminal and keeps agent sessions alive on remote machines.
Best cmux alternative for Windows
Wave TerminalOpen-source terminal that also mixes terminal blocks with web views and AI chat.
Best cmux alternative for Linux
GhosttySame rendering engine and config, as a plain fast terminal without the agent sidebar and browser.
cmux alternatives: common questions
What is the best alternative to cmux?
Ghostty ranks first right now. Same rendering engine and config, as a plain fast terminal without the agent sidebar and browser. Warp and iTerm2 follow it in our ranking.
Is there a free alternative to cmux?
Yes. Ghostty (open source), Warp (free plan + paid), iTerm2 (open source) and WezTerm (open source) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to cmux?
Yes: Ghostty, Warp, iTerm2 and WezTerm, plus 2 more in the list above.
Which cmux alternatives work on Linux?
Ghostty, Warp, WezTerm, tmux and Wave Terminal run on Linux.
Why do people switch from cmux?
The complaints we hear most: macOS only for now; other platforms are on a waitlist; built around agent workflows, so it adds clutter if you just want a plain terminal; young project that changes quickly, and some users report rough edges in the browser.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces cmux, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.