aerc vs Himalaya

A side-by-side comparison of two self-hosted mail servers options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureaercHimalaya
CategoryMail ServersMail Servers
LicenseMITMIT
LanguageGoRust
Setup difficultyMediumMedium
Min. RAM64 MB64 MB
Deploymentbinary, sourcebinary, source
GitHub stars★ 3,300★ 6,962
First released20192021
ReplacesGmail, OutlookMutt, Outlook

Why pick each one

Choose aerc if…

  • Released under the MIT license
  • Active community (3.3k GitHub stars)
  • Written in Go
  • Tiny footprint — runs in 64 MB RAM
aerc details

Choose Himalaya if…

  • Released under the MIT license
  • Mature project with 7k GitHub stars
  • Written in Rust
  • Tiny footprint — runs in 64 MB RAM
Himalaya details

Frequently asked questions

Is aerc or Himalaya better?

Neither is universally better. Himalaya has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are aerc and Himalaya free and open-source?

Yes. aerc is licensed under MIT and Himalaya under MIT. Both can be self-hosted at no software cost.

Can I run aerc and Himalaya with Docker?

aerc: check the project docs for container support. Himalaya: check the project docs for container support.

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