That are occasionally useful (for the Paqmind infrastructure).
https://www.vercel-status.com – live status of Vercel services
https://status.digitalocean.com – live status of Digital Ocean services
https://status.npmjs.org – live status of NPM services
https://crontab.guru – create Cron tabs
https://wetransfer.com – share files
https://bundlejs.com/ – the cost of bundling a package
https://miragejs.com – mock server API on the client
https://draw.io – draw diagrams (Visio clone)
https://whimsical.com – draw diagrams (multiple types)
https://regex101.com – invaluable RegExp debugger
https://zelark.github.io/nano-id-cc/ – ID collision calculator
https://app.k6.io – performance/load testing
https://blazemeter.com – performance/load testing
https://loader.io - didn't try
https://www.webpagetest.org – performance, security, SEO, etc checks
https://observatory.mozilla.org – performance, security checks
https://www.seoptimer.com – another good MANY-IN-ONE checker -- doesn't work properly in my tests
https://gtmetrix.com – another good MANY-IN-ONE checker
https://dareboost.com – another good MANY-IN-ONE checker -- became paid
https://yellowlab.tools – simple overview MANY-IN-ONE checker
- https://swapi.dev/ – Star Wars API (REST)
- https://jsonplaceholder.typicode.com/ – classic API placeholder server (REST)
- https://api.spacex.land/graphql/ - SpaceX API (GraphQL, REST, read-only)
https://fast.io – statis hosting with automatic Google Drive (Dropbox, etc) <-> AWS S3 synchronization
https://imagekit.io – image hosting with live resize (first time that I see sharp resize, amazing)
https://ezgif.com – make GIFs
https://jakearchibald.github.io/svgomg – optimize SVG
https://www.photopea.com – free PS alternative with similar UI/UX & shortcuts 👍
https://transfonter.org – generate web font files (otf -> woff, etc)
$ brew install svgo
$ brew install webp
Not found what you looked for?!
https://free-for.dev – free services
https://gist.github.com/bmaupin/0ce79806467804fdbbf8761970511b8c – free database providers (most are "free")
WIP