Webvoice is a text to speech cgi program. You can embed a link in a html page to send things you want to say, via sound. No software is required on the client side. Festival and sox are needed on the server. Webvoice has its own interface (if needed).
A collection of tools for generating audio and visual (PNG/HTML/WAVE) for use in web sites including CAPTCHA challenges and PNG image creation tools with Javascript mouse tracking support.
ChordPro (a.k.a. Chord) is a common format for mixing chords and lyrics of songs and WebChord is an online utility that creates nice looking HTML pages out of ChordPro files. WebChord is useful for guitar players and webmasters of music-related sites.