Chromium (web browser) interface because Google wanted it to "feel lightweight (cognitively and physically) and fast". Chromium is the name given to the open-source project and the browser source code released and maintained by the Chromium Project, which is headed by Google developers, with input from community developers. It is possible to download the source code and build it manually on many platforms. There are third-party efforts to separate Chromium and Google for privacy reasons. In comparison to Chromium, Google Chrome: The Google-authored portion of Chromium is released under the BSD license, with other parts being subject to a variety of different open-source
Opera (web browser) Google (which is by contract Opera's default search engine). Among the new features introduced in version 9.1 (released in 2006) was fraud protection using technology from GeoTrust, a digital certificate provider, and PhishTank, an organization that tracks known phishing web sites. This feature was further improved and expanded in version 9.5, when GeoTrust was replaced with Netcraft, and malware protection from Haute Secure was added. Also in 2006, Opera Software ASA released Internet Channel and Nintendo DS Browser for Nintendo's DS and Wii gaming systems. A new JavaScript engine called Carakan, after the Javanese alphabet, was introduced with version 10.50.