What is the best alternative to Thunderbird on Mac?

Ice Cubes is our top pick. It shares Communication with Thunderbird and has 124 upvotes from the community. Canary Mail and Discord are close behind.

What is the best free alternative to Thunderbird on Mac?

Ice Cubes is the best-ranked free alternative to Thunderbird. 5 of the alternatives listed here are completely free.

Is there an open-source alternative to Thunderbird?

Yes. 3 alternatives are open source, including Ice Cubes, Telegram and Signal.

How many alternatives to Thunderbird are there for Mac?

Mac App Index lists 13 apps that share a category with Thunderbird: 5 completely free, 5 free to start and 3 open source.

Best Thunderbird alternatives for Mac

Thunderbird is a free app in Communication. We found 13 Mac apps that cover the same ground. Of those, 5 are completely free, 5 are free to start and 3 are open source. Ice Cubes leads on overlap and community votes, followed by Canary Mail and Discord.

The app you want to replace

Thunderbird

Free email client from Mozilla

Free · Open source · Communication

View Thunderbird

13 alternatives to Thunderbird

How we picked: every app here shares at least one category with Thunderbird. Apps that also share features rank higher, and community upvotes break ties. Price and licence never buy a better spot. How we rank apps

1
Ice Cubes
Open-source Mastodon client
124FreeCommunication
- Also in Communication
2
Canary Mail
Email with encryption and AI help
112Free + in-appCommunication
- Also in Communication
3
Discord
Voice, video and text chat for communities
99Free + in-appCommunication
- Also in Communication
4
Telegram
Fast, cloud-based messaging
80FreeCommunication
- Also in Communication
5
Signal
Private messaging with end-to-end encryption
78FreeCommunication
- Also in Communication
6
Spark Mail
A smart inbox for busy people
72Free + in-appCommunication
- Also in Communication
7
Microsoft Outlook
Microsoft email and calendar
66FreeCommunication
- Also in Communication
8
Airmail
Customizable email client
54Free + in-appCommunication
- Also in Communication
9
Cardhop
Contacts you manage by typing
49SubscriptionCommunication
- Also in Communication
10
Ivory
Mastodon, the Tapbots way
44SubscriptionCommunication
- Also in Communication
11
Mimestream
Native Gmail client for Mac
43SubscriptionCommunication
- Also in Communication
12
WhatsApp
Messaging and calls from your Mac
29FreeCommunication
- Also in Communication
13
Slack
Team chat organized by channels
16Free + in-appCommunication
- Also in Communication

Frequently asked questions

What is the best alternative to Thunderbird on Mac?: Ice Cubes is our top pick. It shares Communication with Thunderbird and has 124 upvotes from the community. Canary Mail and Discord are close behind.
What is the best free alternative to Thunderbird on Mac?: Ice Cubes is the best-ranked free alternative to Thunderbird. 5 of the alternatives listed here are completely free.
Is there an open-source alternative to Thunderbird?: Yes. 3 alternatives are open source, including Ice Cubes, Telegram and Signal.
How many alternatives to Thunderbird are there for Mac?: Mac App Index lists 13 apps that share a category with Thunderbird: 5 completely free, 5 free to start and 3 open source.