Thunderbird
A free and open-source email application backed by MZLA Technologies Corporation, a subsidiary of Mozilla.
| Pricing from | Free |
| Best for | Privacy-conscious desktop users |
| Website | www.thunderbird.net |
Strengths and trade-offs
- Extensive add-on and theme ecosystem
- Strong focus on user privacy
- Dated user interface out of the box
Appears in
SAAS
Microsoft Outlook95.02
Apple Mail92.73Thunderbird90.3RANKINGfull ranking →SAAS
Gmail95.02Outlook92.73
ProtonMail90.3RANKINGfull ranking →
Top 10 Email Clients
1Microsoft Outlook95.02Apple Mail92.73Thunderbird90.3RANKINGfull ranking →SAASTop 10 Email Clients and Services
1Gmail95.02Outlook92.73ProtonMail90.3RANKINGfull ranking →Alternatives to Thunderbird
| Microsoft Outlook | #1 in Top 10 Email Clients | 95.0 |
| Apple Mail | #2 in Top 10 Email Clients | 92.7 |
 Spark Mail | #4 in Top 10 Email Clients | 88.0 |
 Em Client | #5 in Top 10 Email Clients | 85.7 |
 Mailspring | #6 in Top 10 Email Clients | 83.3 |
| Proton Mail | #7 in Top 10 Email Clients | 81.0 |
Questions about Thunderbird
How much does Thunderbird cost?
Lister lists Thunderbird's pricing as: Free.
Is Thunderbird free?
Yes. Its pricing reads: Free.
Who is Thunderbird best for?
Thunderbird is best for privacy-conscious desktop users.
Where does Thunderbird rank?
Thunderbird is ranked #3 in Top 10 Email Clients (Lister Score 90.3) and #5 in Top 10 Email Clients and Services (Lister Score 85.7).
What are the best alternatives to Thunderbird?
The closest alternatives on Lister are Microsoft Outlook (#1 in Top 10 Email Clients), Apple Mail (#2 in Top 10 Email Clients) and Spark Mail (#4 in Top 10 Email Clients).
Is this your company?
Claim Thunderbird to suggest corrections to its listing (pricing, features, details) or ask about an enhanced profile. We review every claim before anything changes.