r/Thunderbird↗
Thunderbird: Free Your Inbox
Thunderbird is the leading free and open-source** email, calendaring, newsfeed, and chat client with more than 20 million active monthly users across Windows, macOS, and Linux. **A key Thunderbird core principle is the use and promotion of open and decentralized standards. -- Thundermail users, please post at https://www.reddit.com/r/Thundermail/
23k subscribers142 posts / mo in Sep 2026125 authors / mosince 2010
r/Thunderbird has 23k members (+34% over the last 12 months). It gets about 142 posts a month from 125 people. Top topics: Email Clients & Apps, Gmail Apps & Alternatives and GmailPrivacyAndSecurity.
When to post on r/Thunderbird
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How r/Thunderbird has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Thunderbird
Top topics
Share of the subreddit's posts
- Email Clients & Apps57%
- Gmail Apps & Alternatives2.0%
- GmailPrivacyAndSecurity1.0%
- Microsoft MFA & Office0.9%
- Tab Management0.7%
Brands people mention
Most-mentioned brands and sites, last 12 months
Posting rules for r/Thunderbird
Which post types r/Thunderbird allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.
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How often posts get removed on r/Thunderbird
The best day and hour for r/Thunderbird, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.
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What works on r/Thunderbird
Title and body length that does well on r/Thunderbird, and its mix of text posts, links, images, galleries and video.
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Who posts on r/Thunderbird
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What people ask for on r/Thunderbird
Requests for recommendations, help and alternatives on r/Thunderbird, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.
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Subreddits like r/Thunderbird
Communities that share topics, members or crossposts with r/Thunderbird.
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See all of r/Thunderbird
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research