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Artalk vs Isso: catalog facts
Artalk	Isso
Best for: Site owners who want a feature-rich comment section they host themselves	Best for: Blogs and static sites replacing Disqus with self-hosted comments
Free Free and open source under the MIT license.	Free Free and open source under the MIT license.
Self-hosted	Self-hosted
Lightweight client that works with any framework Built-in moderation, captcha and spam filtering All 4 strengths for Artalk Lightweight client that works with any framework Built-in moderation, captcha and spam filtering Manages several sites from one installation One-step Docker deployment	Small client script of about 20kB gzipped Imports existing Disqus and WordPress comments All 4 strengths for Isso Small client script of about 20kB gzipped Imports existing Disqus and WordPress comments Simple SQLite storage Docker image and PyPI package available
Much of the community discussion is in Chinese Requires running and maintaining your own server	Fewer features than larger comment platforms Installing from PyPI needs a C compiler and Python headers
Self-hosted	Self-hosted
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Artalk artalk.js.org github.com/ArtalkJS/Artalk Catalog checked October 2, 2026	Official website Full listing and sources Sources for Isso isso-comments.de github.com/isso-comments/isso Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.