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Mozilla

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1,007 reviews
  • 18 profiles
  • 13 categories
Average star rating
4.4
Serving customers since
2005

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Thunderbird

336 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

504 reviews

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

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Thunderbird

336 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
648
280
61
13
5
Verified User in Staffing and Recruiting
US
Verified User in Staffing and Recruiting
03/16/2026
Validated Reviewer
Verified Current User
Review source: Organic

Still the most reliable open-source email client out there

I have to manage multiple email accounts from different providers (IMAP and Exchange), and Thunderbird handles this effortlessly. It is completely free, open-source, and highly customizable. The local filtering rules are incredibly powerful and allow me to keep my inbox clean automatically. I also really like the new "Supernova" UI update, which makes the software look much more modern than a few years ago.
Maryam C.
MC
Maryam C.
02/27/2026
Validated Reviewer
Verified Current User
Review source: G2 invite
Incentivized Review

Intuitive, Easy, Fun AI Call Experience

It was very intuitive to filled out the answers. I just needed to copy, paste and format it the way I wanted. Testing out the AI call was fun and very easy. My friend also called to make an appt and she loved it and thought the process was intuitive.
BP
Bijay P.
02/24/2026
Validated Reviewer
Review source: Organic

Mozilla Firefox is the best web browser so far.

The best thing I love about Mozilla Firefox is its security features. Most of the extensions are being monitored, so it gives peace of mind while using them.

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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