Top 10 Thunderbird Alternatives & Competitors

(336)4.3 out of 5
Reviewers exploring Thunderbird often also consider these top-rated options in the same software category. When comparing Thunderbird with other tools, reviewers most often evaluate communication and emails as key differentiators.
The best overall alternative to Thunderbird is Front, rated ~4.6 stars on G2 from 2368+ reviewers. It is frequently praised for communication and team collaboration. Other well-known alternatives to Thunderbird are:
  • Spike – known for email management and communication (G2 star rating ~4.6)
  • Mailbird – highly rated for setup ease and simple (G2 star rating ~3.6)
  • BlueMail – offers scalability and reliability (G2 star rating ~4.3)
  • Microsoft Outlook – best suited for teams that need calendar integration and scheduling (G2 star rating ~4.5)
Browse top options below. Based on G2 review data, Thunderbird is most commonly used in industries like Email Client Software, Help Desk Software, Business Instant Messaging Software. Compare user ratings by vertical to find the best fit.
Show More
Show Less

Best Paid & Free Alternatives to Thunderbird

  • Front
  • Spike
  • Mailbird

Top 10 Alternatives to Thunderbird Recently Reviewed By G2 Community

Browse options below. Based on reviewer data, you can see how Thunderbird stacks up to the competition, check reviews from current & previous users in industries like Information Technology and Services, Marketing and Advertising, and Consumer Goods, and find the best product for your business.
    G2 Advertising
    Sponsored
    G2 Advertising
    Get 2x conversion than Google Ads with G2 Advertising!
    G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.
    Product Description
    Reviewers say compared to Thunderbird, Front is:
    Slower to reach roi
    More expensive
    Better at support
    Categories in common with Thunderbird:
    Product Description
    Reviewers say compared to Thunderbird, Spike is:
    Slower to reach roi
    More expensive
    Better at support
    Categories in common with Thunderbird:
    Product Description
    Reviewers say compared to Thunderbird, Mailbird is:
    Slower to reach roi
    More expensive
    Easier to admin
    Categories in common with Thunderbird:
    G2 Advertising
    Sponsored
    G2 Advertising
    Get 2x conversion than Google Ads with G2 Advertising!
    G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.
    You’re Seeing Part of the StoryLog in or create an account to access the full set of alternatives.
    Create a Free Account
    Product Description
    Reviewers say compared to Thunderbird, Microsoft Outlook is:
    Slower to reach roi
    More expensive
    Easier to do business with
    Categories in common with Thunderbird:
    Product Description
    Reviewers say compared to Thunderbird, Shift is:
    More expensive
    Easier to admin
    Easier to do business with
    Categories in common with Thunderbird:
    Product Description
    Reviewers say compared to Thunderbird, eM Client is:
    More expensive
    Easier to set up
    Categories in common with Thunderbird:
    Product Description
    Reviewers say compared to Thunderbird, Zimbra Desktop is:
    More expensive
    Better at meeting requirements
    Better at support
    Categories in common with Thunderbird:
    Product Description
    Reviewers say compared to Thunderbird, Mailspring is:
    More expensive
    More usable
    Categories in common with Thunderbird:
    Product Description
    Reviewers say compared to Thunderbird, K-9 Mail is:
    More expensive
    Better at support
    Better at meeting requirements
    Categories in common with Thunderbird: