Commento : A lightweight, open source, tracking-free comment engine alternative to Disqus.
Novu : The open-source notifications infrastructure. A fully-featured microservice to send SMS, E-mail, Slack and Push notifications. Embeddable notification...
SimpleLogin : With email aliases , you can be anonymous online and protect your inbox against spams and phishing. Open-source.
Tutanota : Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service based on this software
Kill the newsletter! : I love newsletters, but I hate receiving e-mails. Call me an oldie, but I still use RSS feeds to read my news and e-mails for communication. And I pre...
