TempMail - Temp Mail is the provider of fake and temporary email ID.
Ramper - Ramper is a free web3 SDK for DApps to onboard users quickly.
10 Minute Mail - Temporary disposable e-mail service to beat spam. Avoid spam with a free secure e-mail address.
Directual - Low-code for building sophisticated apps
Mailinator - Any Inbox. Any Time.
Blockchain Demo - Visual demonstration of blockchain technology