# Herdr [Agentic development environments](https://www.agentlist.io/categories/agentic-development-environments)[herdrdev](https://www.agentlist.io/ai/herdrdev) Herdr keeps coding-agent terminals in a background server and organizes local and SSH sessions with agent status indicators. [Visit Herdr](https://herdr.dev/)[See the Agentic development environments shortlist](https://www.agentlist.io/categories/agentic-development-environments#pick-herdr) - Open source (Apache-2.0) - Y Combinator Fall 2026 - Terminal-native - One-person company ## At a glance 50,296 GitHub starsVerifiedAs of Nov 11, 2026[GitHub repository](https://github.com/herdrdev/herdr) - [No. 7 of 10 on the Agentic development environments shortlist](https://www.agentlist.io/categories/agentic-development-environments#pick-herdr) [How we rank](https://www.agentlist.io/methodology) Evidence notes - Evidence level: Verified, primary. - Stars are the measure. A one-person company in Y Combinator's Fall 2026 batch. - Up from about 28,000 on Aug 12 (Wayback Machine snapshot). Herdr's YC page cites 340,000 downloads, a vendor figure. ## Key facts As of Nov 11, 2026 **Who it's for**: Terminal users supervising coding agents across several machines. **What is it built on?**: A Rust runtime that owns your agents' terminals, with a bundled terminal UI. A separate native desktop app, also on herdr-core, runs on macOS, Windows and Linux, with a phone app. **Where do the agents run?**: On your machines. A background server keeps agents running when you close the window or lose SSH, and you can add several machines to one window over SSH. **Can you run several agents at once?**: Yes. Every pane is marked working, blocked or idle, and agents can start and prompt other agents through a CLI and socket API. **Which models and agents can it use?**: Any agent that runs in a terminal. The README names Claude Code, Codex, Cursor, OpenCode and Grok. **What do the plans cost?**: Free. The runtime is Apache-2.0 and the founder says it stays free. No paid plan has been announced. **How does billing work?**: No charge. You use your own agent subscriptions. **How many people use it?**: 50,296 GitHub stars on Nov 11, 2026, up from about 28,000 on Aug 12. Herdr's Y Combinator page cited 25,000 stars and 340,000 downloads four months after launch (vendor figures). **How big is the company?**: A one-person company in Ankara, accepted into Y Combinator's Fall 2026 batch (announced Aug 6, 2026). Sources - [↗ herdr.dev](https://herdr.dev/) - [↗ github.com/herdrdev/herdr](https://github.com/herdrdev/herdr) - [↗ herdr.dev/blog/herdr-is-joining-y-combinator/](https://herdr.dev/blog/herdr-is-joining-y-combinator/) - [↗ www.ycombinator.com/companies/herdr](https://www.ycombinator.com/companies/herdr) - [↗ www.heise.de/en/news/Herdr-Terminal-multiplexer-sorts-fleets-of-coding-agents-11450324.html](https://www.heise.de/en/news/Herdr-Terminal-multiplexer-sorts-fleets-of-coding-agents-11450324.html) ## Recently - Aug 6, 2026[Herdr announced it is joining Y Combinator's Fall 2026 batch.](https://herdr.dev/blog/herdr-is-joining-y-combinator/) ## Common questions What is Herdr? Herdr keeps coding-agent terminals in a background server and organizes local and SSH sessions with agent status indicators. Who is Herdr for? Terminal users supervising coding agents across several machines. How much does Herdr cost? Free. The runtime is Apache-2.0 and the founder says it stays free. No paid plan has been announced. Checked against the vendor's pages on Nov 11, 2026. Plans change often, so confirm before you decide. Does Herdr run locally or in the cloud? Herdr runs on your machine. You use it through a terminal. What are alternatives to Herdr? Other terminal session managers in the directory: Agent Deck, Agent of Empires, CCManager, Claude Squad, dmux, Named Tmux Manager (NTM), Rex. Different categories solve the same problem differently, so see the Terminal session managers category page for tradeoffs. ## Compare Herdr - [Also consider Agent Deck](https://www.agentlist.io/systems/agent-deck) - [Also consider Agent of Empires](https://www.agentlist.io/systems/agent-of-empires) - [Also consider CCManager](https://www.agentlist.io/systems/ccmanager) [See the full Agentic development environments shortlist](https://www.agentlist.io/categories/agentic-development-environments)Show all 7 alternatives - [Agent Deck](https://www.agentlist.io/systems/agent-deck) · asheshgoplani - [Agent of Empires](https://www.agentlist.io/systems/agent-of-empires) · Agent of Empires - [CCManager](https://www.agentlist.io/systems/ccmanager) · kbwo - [Claude Squad](https://www.agentlist.io/systems/claude-squad) · smtg-ai - [dmux](https://www.agentlist.io/systems/dmux) · Standard Agents - [Named Tmux Manager (NTM)](https://www.agentlist.io/systems/ntm) · Dicklesworthstone - [Rex](https://www.agentlist.io/systems/rex) · Superlogical ## Details **Vendor**: [herdrdev](https://www.agentlist.io/ai/herdrdev) **Category**: [Agentic development environments](https://www.agentlist.io/categories/agentic-development-environments) **Last checked**: [Nov 11, 2026](https://www.agentlist.io/changelog) Technical details **Used through**: A terminal **Runs**: On your machine Official links - [↗ github.com/herdrdev/herdr](https://github.com/herdrdev/herdr) - [↗ herdr.dev/](https://herdr.dev/) Pricing and status are approximate as of the last-checked date. --- Source: [Herdr: pricing & alternatives | agentlist.io](https://www.agentlist.io/systems/herdr). 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