Comodo Dragon is a freeware

Freeware

Freeware is computer software that is available for use at no cost or for an optional fee, but usually with one or more restricted usage rights. Freeware is in contrast to commercial software, which is typically sold for profit, but might be distributed for a business or commercial purpose in the...

 web browser

Web browser

A web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web. An information resource is identified by a Uniform Resource Identifier and may be a web page, image, video, or other piece of content...

 implementation of Chromium

Chromium (web browser)

Chromium is the open source web browser project from which Google Chrome draws its source code. The project's hourly Chromium snapshots appear essentially similar to the latest builds of Google Chrome aside from the omission of certain Google additions, most noticeable among them: Google's...

, and is produced by Internet security firm Comodo Group. Sporting a similar interface to Google Chrome

Google Chrome

Google Chrome is a web browser developed by Google that uses the WebKit layout engine. It was first released as a beta version for Microsoft Windows on September 2, 2008, and the public stable release was on December 11, 2008. The name is derived from the graphical user interface frame, or...

, Dragon eliminates Chrome's usage tracking and some other potentially privacy-compromising features, and provides additional security

Internet security

Internet security is a branch of computer security specifically related to the Internet. Its objective is to establish rules and measures to use against attacks over the Internet. The Internet represents an insecure channel for exchanging information leading to a high risk of intrusion or fraud,...

 measures, such as indicating the authenticity and relative strength of a website's SSL certificate.

Differences from Chrome

• Dragon includes checks on the SSL certificates of secure websites, and informs users if a site's certificate may be of insufficient strength.
• Dragon includes an on-demand Comodo Site Inspector, designed to determine if a site hosts malicious code.
• Dragon also offers the opportunity, during installation, to configure the user's computer to access Comodo's own DNS
  Domain name system
  The Domain Name System is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities...
  
   servers instead of the user's ISP DNS servers.
• Instead of Google's Updater, Comodo features its own built-in Updater.
• If Dragon is uninstalled, users are given the option of keeping Dragon's cache
  Web cache
  A web cache is a mechanism for the temporary storage of web documents, such as HTML pages and images, to reduce bandwidth usage, server load, and perceived lag...
  
   and cookie
  HTTP cookie
  A cookie, also known as an HTTP cookie, web cookie, or browser cookie, is used for an origin website to send state information to a user's browser and for the browser to return the state information to the origin site...
  
   files or deleting them.

In addition, the following Google Chrome

Google Chrome

Google Chrome is a web browser developed by Google that uses the WebKit layout engine. It was first released as a beta version for Microsoft Windows on September 2, 2008, and the public stable release was on December 11, 2008. The name is derived from the graphical user interface frame, or...

 features are removed or disabled in Dragon:

• RLZ identifier, an encoded string sent together with all queries to Google or once every 24 hours.
• Does not access Google search
  Google search
  Google or Google Web Search is a web search engine owned by Google Inc. Google Search is the most-used search engine on the World Wide Web, receiving several hundred million queries each day through its various services....
  
   on startup for users with Google as default search
• A unique ID ("clientID") for identifying the user in logs.
• A timestamp
  Timestamp
  A timestamp is a sequence of characters, denoting the date or time at which a certain event occurred. A timestamp is the time at which an event is recorded by a computer, not the time of the event itself...
  
   of when the browser was installed.
• Google
  Google
  Google Inc. is an American multinational public corporation invested in Internet search, cloud computing, and advertising technologies. Google hosts and develops a number of Internet-based services and products, and generates profit primarily from advertising through its AdWords program...
  
  -hosted error pages when a server is not present
• Automatic address bar search suggestions.
• Bug tracking system, sending information about crashes or errors.