33Mail - Simple free disposable email address service, unlimited free disposable email addresses.
Mio - Powering seamless communication between workplace chat apps.
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.
Slackin - Create your own public Slack chat community
TempMail - Temp Mail is the provider of fake and temporary email ID.
Chats.Directory - A curated list of the best Slack groups for professionals