TTSReader is a full-featured, text-to speech software package that allows reading text aloud as well as to wav or mp3 files. TTSReader is freeware, therefore you can download and use it free of charge.
Main Features:
Intuitive user interface design
Automatic highlighting of currently read text
Reading to wav
Reading to mp3, with adjustable settings
Pronunciation corrections
Support for both SAPI4 and SAPI5 voices
Support for rich text formatting
Skipping of sentences or paragraphs while reading
Auto-reading the clipboard
Reading with control tags
Global hotkeys
Documentation provided for all features

The license of this software is Freeware, you can free download and free use this text to speech software.