Open-Source Notification Platform. Embeddable Notification Center, E-mail, Push and Slack Integrations.

🧑‍🚀 The better identity infrastructure for developers and the open-source alternative to Auth0.

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

Drag-n-Drop Email Editor Component for React.js

Open source email app to reach inbox zero fast.

Utils library for specific Brazilian businesses

Modern email for teams and professionals. A replacement for outdated email technology and tools. Alt to hey.com, front.com, missiveapp.com

Email-based instant messaging for Desktop.

💌 Write email templates with vue

📮 Nifty Gmail desktop app for macOS, Linux & Windows

📫 An open source temporary email tool. 只需一个域名部署临时邮箱，支持多域名后缀，密码找回。

Privacy-first, end-to-end encrypted Mail, Pages, Drive, and Calendar.

A free and open-source block-based email template builder.

Temporary email 临时邮箱 Cloudflare email

Self-hosted personal email guardian with one-step deployment

🐶 Hosting your own email forwarding service on AWS and managing it with Github Actions

OneSignal is a push notification service for web and mobile apps. This SDK makes it easy to integrate your website with OneSignal Push Notifications. https://onesignal.com

Verify any text in any sent or received email, cryptographically and via only trusting the sending mailserver.

📩🛡 Email privacy. Anonymously send and receive with alias forwarding. (Abandoned)

Building the future of email with JSX syntax