Sure, Distill is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself:  Changedetection .

  1. So is Changedetection

    Web page change detection

    ★ 23.7K Web monitoring License: Apache-2.0

    Detect website content changes and perform meaningful actions - trigger notifications via Discord, Email, Slack, Telegram, API calls and many more.

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