Bulma - Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.
33Mail - Simple free disposable email address service, unlimited free disposable email addresses.
Phonebot - Make phone calls from within a Slack channel
TempMailAddress - The TempMailAddress protects your primary mailbox. TempMailAddress.
Milligram - A minimalist CSS framework
SimpleLogin - Receive and send emails anonymously. Create a unique email address for each website to avoid cross-site tracking and protect your inbox from spam, phishing and data breaches.