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Herdbell alternatives: 5 ways to keep track of your AI coding agents

Updated October 27, 2026

Herdbell solves one problem: knowing the moment an AI coding agent needs you, and answering without switching windows. There are other ways to solve it, some free. This page compares them fairly, including when Herdbell is the wrong choice.

Five alternatives, and Herdbell

ApproachGood forWhat you give up
1. Check the windows yourselfOne agent and short tasksYou find out late, and requests sit unanswered
2. Terminal bell or title alertsA free, simple beepNo message or project name, and it depends on your terminal
3. Your own hook scriptTinkerers who use one agentYou write and maintain it, and it alerts but does not let you answer
4. Each agent's built-in notificationsPeople who use only one agentEvery agent works differently, and there is no single list
5. A separate session-manager dashboardHeavy parallel work with per-session reviewOne more full window to run and keep open
HerdbellSeveral agents, answer-first, on a MacMac only (macOS 14 or later), paid, and it does not manage worktrees or review diffs

How to choose

Details of other tools change quickly, so check each one before you decide. For the free options, see how to get notified when Claude Code finishes and Herdbell vs a DIY notification script.

  • One agent, one terminal, and you like tinkering: a hook script or the agent's own alerts is plenty.
  • Several agents, or several chats at once: you want one list and one place to answer. That is what Herdbell is for.
  • You review every change per branch in a dashboard: a session manager fits that better, and you can run Herdbell beside it.

Common questions

What is the best alternative to Herdbell?

It depends on how you work. For one agent, its built-in alerts or a hook script is enough. For several agents or a Mac-wide popup you can answer, Herdbell is built for that. For per-branch review, a session-manager dashboard fits better.

Is there a free alternative to Herdbell?

Yes: a terminal bell, your own hook script, or each agent's built-in notifications. They cost nothing but your time, and none gives one list for every agent.