What does Remark42 replace?

Remark42 is a free alternative to Disqus ($216/yr).

Is Remark42 open source?

Yes. Remark42 is licensed under MIT, an OSI-approved open-source license.

Yes (self-hosted server; web UI).

Yes. Remark42 is a server app you run on your own server, and its repository includes Docker files.

A free, open-source alternative to Disqus. Switching saves $216/yr at list price.

Checked Oct 17, 2026 · How we check

Self-hosted server

Open source · MIT Linux Self-hostable

umputun/remark425.6k★last push Oct 16, 2026checked Oct 17, 2026

Self-host

Runs on your own Linux server, with Docker files in the repo. Setup docs are on remark42.com.

What does Remark42 replace?: Remark42 is a free alternative to Disqus ($216/yr).
Is Remark42 open source?: Yes. Remark42 is licensed under MIT, an OSI-approved open-source license.
Does Remark42 run on Linux?: Yes (self-hosted server; web UI).
Can you self-host Remark42?: Yes. Remark42 is a server app you run on your own server, and its repository includes Docker files.