Compare SeaMonkey Composer and Thunderbird 
At a Glance
Market Segments
Small-Business (61.5% of reviews)
Small-Business (64.4% of reviews)
Entry-Level Pricing
No pricing available
No pricing available
SeaMonkey Composer
Star Rating
(13)4.7 out of 5
Market Segments
Small-Business (61.5% of reviews)
Pros & Cons
Not enough data
Entry-Level Pricing
No pricing available
Learn more about SeaMonkey ComposerThunderbird
Star Rating
(336)4.3 out of 5
Market Segments
Small-Business (64.4% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about ThunderbirdSeaMonkey Composer vs Thunderbird
- Reviewers felt that SeaMonkey Composer meets the needs of their business better than Thunderbird.
- When comparing quality of ongoing product support, reviewers felt that Thunderbird is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of SeaMonkey Composer over Thunderbird.
Pricing
Entry-Level Pricing
SeaMonkey Composer
No pricing availableThunderbird
No pricing availableFree Trial
SeaMonkey Composer
No trial information availableThunderbird
No trial information availableRatings
Meets Requirements
8.9
9
8.7
301
Ease of Use
9.1
9
8.7
302
Ease of Setup
Not enough data
8.8
72
Ease of Admin
Not enough data
8.4
58
Quality of Support
7.4
7
7.9
221
Has the product been a good partner in doing business?
Not enough data
8.1
41
Product Direction (% positive)
8.5
8
7.7
299
Features by Category
Inbox Tools
Not enough data
8.9
102
Not enough data
8.9
108
Not enough data
8.5
96
Not enough data
8.7
104
Coordination Tools
Not enough data
8.4
91
Not enough data
8.6
99
Not enough data
8.4
88
Software Options
Not enough data
9.1
108
Not enough data
7.5
61
Email Client - Agentic AI
Not enough data
Not enough data
Not enough data
Not enough data
Sorting & Filtering
Not enough data
9.3
7
Not enough data
9.8
7
Not enough data
8.0
5
Not enough data
9.3
7
Integrations
Not enough data
8.6
7
Not enough data
9.0
7
Not enough data
8.1
6
Time Management
Not enough data
9.5
7
Not enough data
8.8
7
Not enough data
9.0
5
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Email Management
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Browser
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
SeaMonkey Composer and Thunderbird are categorized as Email Management
Unique Categories
SeaMonkey Composer is categorized as Browser
Thunderbird is categorized as Email Client
Reviews
Reviewers' Company Size
SeaMonkey Composer
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Thunderbird
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Computer Software
30.8%
Marketing and Advertising
7.7%
Hospitality
7.7%
Hospital & Health Care
7.7%
Health, Wellness and Fitness
7.7%
Other
38.5%
Information Technology and Services
13.1%
Computer Software
11.9%
Internet
6.7%
Marketing and Advertising
4.9%
Telecommunications
3.0%
Other
60.5%
Discussions
SeaMonkey Composer has no discussions with answers
Has anyone managed to use the copy and paste function from excell?
2 Comments
EC
CONTROL-V or right-click and Paste will keep the cells intact. Right click and "Paste Without Formatting" pastes only the raw data, but not in cells. Read more
Has anyone managed to use the copy and paste function from excell?
1 Comment
BR
Thunderbird does not recognize Excel’s formatting the way Outlook can. But, it can recognize formatting from Word. Copy paste from Excel to Word, then from...Read more
What is the use of Thunderbird software?
1 Comment
SK
It allows you to manage multiple emails in a single window without back and forth switching. That's the main use I found. Besides that, it also has a good...Read more
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