Google Chrome Google Chrome Google Chrome (commonly known simply as Chrome) is a freeware web browser developed by Google LLC. It was first released on September 2, 2008 for Microsoft Windows, and was later ported to Linux, macOS, iOS and Android. Google Chrome is also the main component of Chrome OS, where it serves as a platform for running web apps. Google releases the majority of Chrome's source code as the Chromium open-source project; however, Chrome itself is proprietary software. One component that is not open-source is the built-in Adobe Flash Player (that Chrome has disabled by default since September 2016). Chrome
Google Sidewiki Google Sidewiki Google Sidewiki was a web annotation tool from Google, launched in September 2009 and discontinued in December 2011. Sidewiki was a browser extension that allowed anyone logged into a Google Account to make and view comments about a given website in a sidebar. Despite the name, the tool was not a collaborative wiki, though the comments were editable by the author. Google used ranking algorithms to determine comment relevancy and usefulness, using criteria such as users voting up and down a comment, and past user contributions. Anyone could look up a contributor's Google profile and assess their credibility.