3 self-hosted Watchtower alternatives

Watchtower is a popular proprietary tool in the automation & workflows space. These open-source apps let you replace Watchtower with software you host and control yourself.

Best self-hosted Watchtower alternatives

Easy

binarydocker

Diun

Automation & Workflows

Notifier that alerts when Docker images receive updates

Replaces Watchtower

★ 4.8k Easy setup MIT

What's Up Docker

Automation & Workflows

Get notified when container images have updates

Replaces Watchtower

★ 3.7k Easy setup MIT

Cup

Automation & Workflows

Fast checker for available Docker image updates

Replaces Watchtower

★ 1.3k Easy setup MIT

Compare Watchtower alternatives

Switching from Watchtower

Moving off Watchtower means trading a managed subscription for a service you run yourself. The payoff is ownership: no per-seat pricing, no vendor lock-in, and full control of your data. Start with the option above that matches your setup-difficulty comfort level — every app links to a detailed specs page and head-to-head comparisons.