eSpeak - eSpeak is a compact open source software speech synthesizer for English and other languages, for...
Okular - Okular is a universal document viewer based developed by KDE.
Balabolka - Balabolka is a Text-To-Speech (TTS) program.
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
NaturalReader - Main Feature: Full Common Functions: Read Text Files o Text files o MS Word files
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.