About
Thunderbird is an open source email client that manages email, calendar, and contacts in one application. It supports multiple email accounts and offers features like message filtering, search functionality, and customizable interface options. The app is maintained by Mozilla and designed for users who want a free, privacy-focused alternative to commercial email clients.
Highlights
- Open source email client maintained by Mozilla
- Manage multiple email accounts in one application
- Built-in calendar and contacts management
- Message filtering and advanced search capabilities
Best for
Users seeking a free, open source email client with privacy-focused features and the ability to manage multiple email accounts, calendar events, and contacts in a single application.
At a glance
Thunderbird is available on Windows, macOS, and Linux — all free to download.
It is developed by Mozilla.
Similar Apps
Flighty is a live flight tracker that delivers delay alerts 2–90 minutes faster than airline apps and cancellation alerts 24–48 hours earlier. Built on pilot-grade data from the FAA and Eurocontrol, i
Firefox is a fast, private web browser that blocks trackers by default and protects your data from the start. Enhanced Tracking Protection automatically blocks social media trackers, crypto miners, an
Air Canada + Aeroplan combines flight booking and loyalty program management in one app. Book flights using cash, Aeroplan points, or a combination of both, and redeem points for car rentals and hotel
Google Ads is a mobile app for managing advertising campaigns on the go. Monitor campaign performance in real-time, review optimization recommendations, and make quick adjustments to budgets, keywords