Mailtrap
https://mailtrap.io/
Webhook Tester
https://webhook.site/
Mail spam tester
https://www.mail-tester.com/test-pdf6x&reloaded=6
Data converter
https://www.convertcsv.com/csv-to-yaml.htm
Security Header checker
https://securityheaders.com/
Vital tools
https://web.dev/vitals-tools/
CSS only loaders
https://cssloaders.github.io/
NPM Check
https://github.com/dylang/npm-check
Macapps (Ninite-like for mac)
https://macapps.link/en/
Brew backup guide
https://tomlankhorst.nl/brew-bundle-restore-backup/
Dotfiles
https://dotfiles.github.io/
Snyk
https://snyk.io/
/uses
https://uses.tech/
Humaans
https://www.humaaans.com/
Grafana
https://grafana.com/