Mailinator - Any Inbox. Any Time.
Fig - Fast, isolated development environments using Docker.
TempMail.altmails - Disposable temporary email addresses
Shell Notebook - MacOS Terminal, reimagined
Harakirimail - Harakirimail is a free disposable email service. Just send email to anythingyouwant@harakirimail.
Teleconsole - Teleconsole is a free service to share your terminal session with people you trust.