Conserve Backup vs Restic Mailer

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

Not the right match-up? Compare Conserve Backup with Compare Restic Mailer with

CO Conserve Backup Robust, fast, deduplicating backup tool VS RE Restic Mailer Notification wrapper for restic backup jobs

Feature	Conserve Backup	Restic Mailer
Deploy effort	Read-the-docs project	Under-an-hour setup
Health score	58 · Fair	76 · Good
Category	Backup & Recovery	Backup & Recovery
License	GPL-2.0	MIT
Language	Rust	Shell
Setup difficulty	Medium	Easy
Min. RAM	128 MB	64 MB
Deployment	binary, bare-metal	docker, bare-metal
GitHub stars	★ 278	★ 663
First released	2015	2018
Replaces	Backblaze	Backblaze

What are Conserve Backup and Restic Mailer?

Conserve Backup

Conserve is a robust backup program written in Rust that creates deduplicated, versioned archives to local or remote storage. It emphasizes data safety and resumable operations.

Deduplicated archives
Versioned backups
Resumable operations
Data-safety focus

Restic Mailer

A wrapper around restic that runs backups on schedule and emails detailed success or failure reports. It adds visibility to unattended restic deployments.

Scheduled restic runs
Email job reports
systemd integration
Unattended backups

Conserve Backup vs Restic Mailer: key differences

Conserve Backup is written in Rust, while Restic Mailer is built with Shell. Licensing differs — GPL-2.0 for Conserve Backup versus MIT for Restic Mailer. Restic Mailer is the lighter option, starting around 64 MB of RAM against 128 MB for Conserve Backup. Conserve Backup is the more established project (first released 2015), while Restic Mailer arrived in 2018. Restic Mailer has the considerably larger community, at 663 GitHub stars versus 278. Restic Mailer lists first-class Docker deployment; Conserve Backup does not.

Why pick each one

Choose Conserve Backup if…

Released under the GPL-2.0 license
Written in Rust
Tiny footprint — runs in 128 MB RAM

Conserve Backup details

Choose Restic Mailer if…

Released under the MIT license
Easy to set up — beginner-friendly
First-class Docker support for quick deployment
Written in Shell

Restic Mailer details

Frequently asked questions

Is Conserve Backup or Restic Mailer better?

Restic Mailer is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Conserve Backup if its specific feature set fits your needs better.

Are Conserve Backup and Restic Mailer free and open-source?

Yes. Conserve Backup is licensed under GPL-2.0 and Restic Mailer under MIT. Both can be self-hosted at no software cost.

Can I run Conserve Backup and Restic Mailer with Docker?

Conserve Backup: check the project docs for container support. Restic Mailer: yes.

Which is lighter on resources, Conserve Backup or Restic Mailer?

Restic Mailer has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Conserve Backup. Real-world usage depends on library size, user count, and enabled features.