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Mozilla

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1,015 reviews
  • 18 profiles
  • 13 categories
Average star rating
4.4
Serving customers since
2005

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Thunderbird

340 reviews

Thunderbird is a free, open-source email client developed by Mozilla, designed to provide users with a secure, customizable, and efficient email management experience. Compatible with Windows, macOS, and Linux, Thunderbird supports multiple email protocols, including POP and IMAP, allowing seamless integration with various email services. Its user-friendly interface and robust feature set make it a preferred choice for individuals and organizations seeking a reliable alternative to proprietary email clients. Key Features and Functionality: - Adaptive Junk Mail Controls: Thunderbird's intelligent spam filters learn from user actions to effectively identify and segregate unwanted emails, reducing inbox clutter. - Integrated RSS and Blog Reader: Users can subscribe to RSS feeds and blogs directly within Thunderbird, enabling them to stay updated with the latest news and content without leaving the application. - Saved Search Folders: This feature allows users to create virtual folders that display messages based on specific search criteria, facilitating efficient email organization and retrieval. - Global Inbox Support: Thunderbird enables the consolidation of multiple email accounts into a single inbox, streamlining email management for users with several accounts. - Message Grouping and Labeling: Users can group messages by attributes such as date, sender, or priority, and apply labels for easy categorization and prioritization. - Privacy Protection: To safeguard user privacy, Thunderbird automatically blocks remote images in emails from unknown senders, preventing potential tracking and data collection. - Extensibility with Add-ons and Themes: Thunderbird supports a wide range of add-ons and themes, allowing users to customize the application's functionality and appearance to suit their preferences. Primary Value and User Solutions: Thunderbird addresses common challenges faced by email users by offering a secure and customizable platform that enhances productivity and privacy. Its adaptive spam filters and privacy features protect users from unwanted emails and potential threats, while the integration of RSS feeds and blogs consolidates information management within a single application. The ability to manage multiple email accounts through a unified inbox, coupled with advanced search and organization tools, streamlines email workflows and reduces the time spent managing communications. Furthermore, Thunderbird's open-source nature and support for add-ons empower users to tailor the application to their specific needs, ensuring a personalized and efficient email experience.

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Mozilla Firefox

508 reviews

Firefox Web Browser. We are Mozilla. Doing good is part of our code. Different by Design.

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Thunderbird

340 reviews

Thunderbird is a free, open-source email client developed by Mozilla, designed to provide users with a secure, customizable, and efficient email management experience. Compatible with Windows, macOS, and Linux, Thunderbird supports multiple email protocols, including POP and IMAP, allowing seamless integration with various email services. Its user-friendly interface and robust feature set make it a preferred choice for individuals and organizations seeking a reliable alternative to proprietary email clients. Key Features and Functionality: - Adaptive Junk Mail Controls: Thunderbird's intelligent spam filters learn from user actions to effectively identify and segregate unwanted emails, reducing inbox clutter. - Integrated RSS and Blog Reader: Users can subscribe to RSS feeds and blogs directly within Thunderbird, enabling them to stay updated with the latest news and content without leaving the application. - Saved Search Folders: This feature allows users to create virtual folders that display messages based on specific search criteria, facilitating efficient email organization and retrieval. - Global Inbox Support: Thunderbird enables the consolidation of multiple email accounts into a single inbox, streamlining email management for users with several accounts. - Message Grouping and Labeling: Users can group messages by attributes such as date, sender, or priority, and apply labels for easy categorization and prioritization. - Privacy Protection: To safeguard user privacy, Thunderbird automatically blocks remote images in emails from unknown senders, preventing potential tracking and data collection. - Extensibility with Add-ons and Themes: Thunderbird supports a wide range of add-ons and themes, allowing users to customize the application's functionality and appearance to suit their preferences. Primary Value and User Solutions: Thunderbird addresses common challenges faced by email users by offering a secure and customizable platform that enhances productivity and privacy. Its adaptive spam filters and privacy features protect users from unwanted emails and potential threats, while the integration of RSS feeds and blogs consolidates information management within a single application. The ability to manage multiple email accounts through a unified inbox, coupled with advanced search and organization tools, streamlines email workflows and reduces the time spent managing communications. Furthermore, Thunderbird's open-source nature and support for add-ons empower users to tailor the application to their specific needs, ensuring a personalized and efficient email experience.

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Firefox Developer Edition

46 reviews

Popular, powerful web development tool. Inspect HTML, modify style and layout in real-time. Advanced JavaScript debugger for any browser. Analyze network usage & performance.

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MDN Web Docs

21 reviews

Resources for developers, by developers.

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Firefox Developer Tools

18 reviews

Firefox Developer Tools is an integrated suite of web development tools built directly into the Firefox browser, designed to assist developers in inspecting, editing, and debugging web applications efficiently. These tools provide a comprehensive environment for analyzing and optimizing web content, ensuring compatibility and performance across various platforms. Key Features and Functionality: - Page Inspector: Allows developers to examine and modify the HTML and CSS of a webpage, facilitating real-time adjustments and layout troubleshooting. - Web Console: Displays messages logged by a webpage and enables interaction with the page using JavaScript, aiding in the identification and resolution of scripting issues. - JavaScript Debugger: Provides the capability to pause, step through, and inspect JavaScript code execution, essential for diagnosing and fixing complex scripting errors. - Network Monitor: Tracks network requests made by a webpage, offering insights into resource loading times and aiding in performance optimization. - Performance Tools: Analyzes runtime performance to identify bottlenecks, helping developers enhance the responsiveness and efficiency of their applications. - Responsive Design Mode: Simulates different screen sizes and resolutions, allowing developers to test and adapt their designs for various devices. - Accessibility Inspector: Evaluates web content for accessibility issues, ensuring compliance with standards and improving usability for all users. Primary Value and User Solutions: Firefox Developer Tools empower developers to build, test, and refine web applications directly within the browser, streamlining the development workflow. By offering a robust set of debugging and inspection tools, developers can quickly identify and resolve issues related to code, performance, and design. The integration of these tools into the browser eliminates the need for external software, providing a seamless and efficient development experience. Additionally, features like Responsive Design Mode and the Accessibility Inspector ensure that applications are both user-friendly and accessible across a wide range of devices and audiences.

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Mozilla WebThings

15 reviews

An open platform for monitoring and controlling devices over the web.

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hubs

13 reviews

Hubs allows you to easily create web-based rooms to meet with others within Mixed Reality. Create a room with a single click, and then just share the link with someone.

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SeaMonkey Composer

13 reviews

Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing made simple all your Internet needs in one application.

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Firefox Reality

12 reviews

Firefox Reality serves you the very best immersive games, videos, environments, and experiences from around the Web.

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5

Mozilla Reviews

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Star Rating
655
281
61
13
5
Diego M.
DM
Diego M.
10/03/2025
Validated Reviewer
Verified Current User
Review source: G2 invite
Incentivized Review

I like its performance and memory administration. Firefox is better than other popular web browsers.

What I really like about Mozilla Firefox is its efficient memory management. I can keep many tabs open without experiencing crashes or slowdowns, which isn’t always true with other browsers. Its history management is excellent, clean, reliable, and easy to navigate. Additionally, the plugin store offers a wide variety of useful tools, making it a flexible and customizable option for both casual and power users.
Rene M.
RM
Rene M.
Solution Architect at Upstart13 - Tech Lead - Full Stack dev - Geek
09/16/2025
Validated Reviewer
Verified Current User
Review source: G2 invite
Incentivized Review

The best browser for privacy

Its privacy allows me to navigate in a 100% private way and fast; for me, it is the best browser to use
Verified User in Music
UM
Verified User in Music
08/30/2025
Validated Reviewer
Verified Current User
Review source: Organic

An email client simple and efficient

My use of Thunderbird is pretty much simple: email reception and sending, filter to find an email per date or sender, automatic filters to get emails directed to their folders or subfolders and use of address folders. Thunderbird is my default email client so I use it everyday. Thunderbird is super stable. I have been using the different versions over the years (more than a decade) and I never had a crash. One can easily create folders and subfolders. It's very convenient when you run a company with several projects and different emails per project. The active filters are a wonder. You can direct messages in the right folders and subfolders depending on the source, the subject, etc. The address folders are super handy when you need to run emails campaigns. I didn't have to use customer support so I don't really have an opinion on that

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HQ Location:
San Francisco, CA

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@mozilla

What is Mozilla?

At Mozilla, they are a global community of technologists, thinkers and builders working together to keep the Internet alive and accessible, so people worldwide can be informed contributors and creators of the Web.

Details

Year Founded
2005
Website
www.mozilla.org