What does Memos replace?

Memos is a free alternative to Day One ($49.99/yr).

Is Memos open source?

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

Yes (self-hosted server; web UI).

Yes. Memos is a server app you run on your own server.

A free, open-source alternative to Day One. Switching saves $49.99/yr at list price.

Checked Oct 17, 2026 · How we check

Self-hosted server

Replaces it Active Open source · MIT Linux Self-hostable

usememos/memos63.9k★last push Oct 16, 2026checked Oct 17, 2026

A self-hosted notes timeline rather than a journal app: no official phone apps, prompts, maps or printed books.

Self-host

Runs on your own Linux server. Setup docs are on usememos.com.

What does Memos replace?: Memos is a free alternative to Day One ($49.99/yr).
Is Memos open source?: Yes. Memos is licensed under MIT, an OSI-approved open-source license.
Does Memos run on Linux?: Yes (self-hosted server; web UI).
Can you self-host Memos?: Yes. Memos is a server app you run on your own server.