head to head · open source
Listmonk vs ua-parser-js
Listmonk has 23,471 GitHub stars, 2,604 forks, 111 open issues and last shipped 5 days ago. ua-parser-js has 10,189 stars, 1,217 forks, 14 open issues and last shipped 17 days ago. Listmonk leads on adoption by 130% (23,471 vs 10,189 stars). Listmonk is written in Go under AGPL-3.0; ua-parser-js is written in JavaScript under AGPL-3.0. Listmonk has attracted 11% as many forks as stars, ua-parser-js 12%. Listmonk 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
| Listmonk | ua-parser-js | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 10K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Go | JavaScript |
| Last push | 2026-09-13 | 2026-09-01 |
| Forks | ⑂ 2.6K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Listmonk if
- You weight community size — 23K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick ua-parser-js if
- You want the ua-parser-js feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and ua-parser-js fits your workflow better
About Listmonk
Listmonk is a standalone, self hosted newsletter and mailing list manager in the open source business software and marketing customer engagement ecosystem. It packages campaign management, subscriber management, and email delivery controls into a single binary application with a modern dashboard, and it uses PostgreSQL as its data store.
read the full Listmonk overview →
About ua-parser-js
UAParser.js is a dependency free JavaScript library for user agent detection that identifies browsers, operating systems, devices, bots, apps, and AI crawlers, running both in the browser (client side) and in Node.js (server side), and it is aimed at web developers, analytics teams, and product engineers who need to classify the traffic reaching their applications.
read the full ua-parser-js overview →
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Frequently asked questions
Is Listmonk or ua-parser-js more popular?
Listmonk has 23,471 GitHub stars and ua-parser-js has 10,189. Listmonk has the larger community by that measure.
Are Listmonk and ua-parser-js free?
Both are open source. Listmonk is licensed under AGPL-3.0 and ua-parser-js under AGPL-3.0. Neither carries a licence fee.
What is the difference between Listmonk and ua-parser-js?
Listmonk is written in Go and ua-parser-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, Listmonk or ua-parser-js?
Choose Listmonk if you want the larger community (23,471 stars) or its AGPL-3.0 licence terms. Choose ua-parser-js if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.