Open source. Open possibilities.

React Email is a React + TypeScript component library for building responsive, dark-mode-aware emails, with an editor and integrations for major email providers.

Tomba is a CLI tool for finding and verifying email addresses, enriching contact data, and discovering phone numbers from domains, LinkedIn URLs, or article authors. It supports bulk CSV processing, AI chat, and reusable workflow skills.

Tuta Mail is a secure email service featuring built-in end-to-end encryption for communications across multiple devices.