head to head · open source
Hermes Agent vs tmi.js
Hermes Agent has 246,618 GitHub stars, 51,659 forks, 41,784 open issues and last shipped yesterday. tmi.js has 1,590 stars, 205 forks, 34 open issues and last shipped 10 months ago. Hermes Agent leads on adoption by 15,411% (246,618 vs 1,590 stars). Hermes Agent is written in Python under MIT; tmi.js is written in JavaScript under MIT. Hermes Agent has attracted 21% as many forks as stars, tmi.js 13%. Hermes Agent was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Hermes Agent | tmi.js | |
|---|---|---|
| GitHub stars | ★ 247K | ★ 1.6K |
| License | MIT | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-09-18 | 2025-11-21 |
| Forks | ⑂ 52K | ⑂ 205 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hermes Agent if
- You weight community size — 247K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick tmi.js if
- You want the tmi.js feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and tmi.js fits your workflow better
About Hermes Agent
Hermes Agent is a desktop AI agent developed by Nous Research that maintains persistent memory and self improving capabilities across sessions and platforms. It operates as a local first, cross platform interface for LLMs, integrating with multiple model providers and deployment environments without vendor lock in. The agent implements a closed learning loop where it curates its own memory, creates and refines skills from experience, and supports cross session recall via full text search and summarization.
read the full Hermes Agent overview →
About tmi.js
tmi.js is a JavaScript client library for the Twitch Messaging Interface, usable from Node.js and directly in the browser, and built for developers who write Twitch chat bots and chat driven interfaces.
read the full tmi.js overview →
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Frequently asked questions
Is Hermes Agent or tmi.js more popular?
Hermes Agent has 246,618 GitHub stars and tmi.js has 1,590. Hermes Agent has the larger community by that measure.
Are Hermes Agent and tmi.js free?
Both are open source. Hermes Agent is licensed under MIT and tmi.js under MIT. Neither carries a licence fee.
What is the difference between Hermes Agent and tmi.js?
Hermes Agent is written in Python and tmi.js in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Hermes Agent or tmi.js?
Choose Hermes Agent if you want the larger community (246,618 stars) or its MIT licence terms. Choose tmi.js if its feature set, stack or MIT licence fits better. Both are self-hostable.