Types of Browsers:

Line Mode Browsers: The initial browsers were line mode text browsers. These browsers were simple and used to display text line by line. They used to provide command line interface to the user on a less sophisticated computers and terminals. These browsers provided fast access to websites as they displayed only the text part. Lynx is a line mode browser.

Graphical User Interface based Browsers: These browsers run under graphic user interface systems such as Windows, Macintosh etc. A graphical browser, in addition to text can handle  images, audio, video and animation. These browsers are very easy to use - You just need a point and click device like mouse. They have good display features. 

Java enabled web browsers: These browsers include a Java Runtime Environment that support Java programming language. These browsers can dynamically load java applet from web  server to web  client.  These  browsers  are portable, extensible and secure. The example of java enabled browser is -LOBO?. It is open source software written completely in java.