GitHub Bots

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GitHub’s App Marketplace has a range of useful tools and services. I use a few of them on a free tier which I recommend for open-source projects:

Imgbot

This one is my favourite - it’ll automatically losslessly optimise all images in your repos and open a PR with a table outlining the filesize savings.

It’s free to use (for public repos) and works flawlessly. Even if you already optimize images it’s still worth installing this as it can further optimize.

Imgbot

AccessLint

This bot will review PRs and leave comments about any accessability issues, for example an alt tag missing from an image.

AccessLint

Dependabot

Automatic PRs opened when any dependency are updated. Requires a package.json

Dependabot

Snyk

Get notified about any packages in your projects with vulnerabilities.

Snyk

Have I missed any good ones? Drop a comment below if there’s one I should checkout.

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