The IPA in Unicode  
   Unicode standard used by current browsers covers all the IPA phonetic symbols. Listed with their meanings, codes, and advice on Unicode fonts that contain them.
   http://www.phon.ucl.ac.uk/home/wells/ipa-unicode.htm

Typing IPA symbols in Word for Windows & Notepad  
   Methods for typing in the IPA in Word and Notepad.
   http://www.elgin.free-online.co.uk/ipa.htm

A Sound Reference to the IPA  
   Interactive IPA chart that includes examples of sounds.
   http://www.ling.hf.ntnu.no/ipa/full/

IPAScript  
   Description and online Demo of an input system for generating IPA symbols from SAMPA (Ascii) keystrokes
   http://www.elgin.free-online.co.uk/is_intro.htm

International Phonetic Alphabet (IPA) Unicode “Keyboard”  
   A Unicode replica of the official chart written in XHTML/CSS and released under the GPL. Allows the user to type strings of IPA characters while keeping track of previously used symbols and optionally outputting XML entities.
   http://www.linguiste.org/phonetics/ipa/chart/keyboard/

Say...  
   Text-to-speech translator which also reads ASCII representations of the IPA.
   http://wwwtios.cs.utwente.nl/say/

International Phonetic Association  
   The website of the organization that created the International Phonetic Alphabet.
   http://www2.arts.gla.ac.uk/IPA/