A agentindex
Comparison

Herdr vs tmux

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Herdr

A terminal agent multiplexer that runs all your coding agents in one place.

  • + Real terminal per agent; full-screen TUIs render correctly
  • + Agent state at a glance (blocked, working, done, idle) with zero config
  • + Persistent sessions survive detach; reattach from another terminal or a phone over SSH
  • + Single lightweight Rust binary, no Electron, account, or telemetry
  • + Scriptable via a socket API and plugins in any language
  • − AGPL-3.0 may require a commercial license for some organizations
  • − Young project, still maturing
  • − Manages agents rather than being one, so it pairs with tools you bring

tmux

A terminal multiplexer for managing many terminal sessions at once.

  • + Persistent sessions survive disconnect; reattach later
  • + Split one window into many panes and shells
  • + Runs anywhere, including over SSH, as a single binary
  • + Battle-tested and ubiquitous
  • − Not agent-aware; no notion of what an agent is doing
  • − Keyboard-driven with a real learning curve
  • − No built-in state or status for agents
Spec Herdr tmux
Role Multiplexer Multiplexer
Tags multiplexer, cli, tui, persona-solo-builder, persona-software-developer, persona-platform-engineer multiplexer, cli, tui, persona-software-developer, persona-platform-engineer
License AGPL-3.0 ISC
Open source Yes Yes
Self-hostable Yes Yes
MCP support No No
Pricing free free
Price Free Free
Usage cost No model cost No model cost
Models
Languages multi multi
GitHub stars 10.9k 47.3k
Last activity 2026-07-04 2026-07-03