Handcent Next SMS a customizable and powerful SMS messenger app.

Siri is an intelligent personal assistant.

Nuance Dragon NaturallySpeaking is a speech recognition software.

Braina is an intelligent personal assistant application for Microsoft Windows.

Google Now is an intelligent personal assistant.

Dictanote is a fast accurate dictation service.

Hound gives you fast and deep results to what you ask for, such as looking up the weather, placing a phone call, sending a text message, finding a hotel that …