eSpeak - eSpeak is a compact open source software speech synthesizer for English and other languages, for...
Amazon Polly - Named for a parrot, Amazon Polly is a text-to-speech (TTS) software that makes your text come to life in a natural, authentic way. The software has many lifelike voices, both male and female, and in a variety of languages.
Balabolka - Balabolka is a Text-To-Speech (TTS) program.
Speechelo - Transform Any Text Into A 100% Human-Sounding Voiceover with only 3 clicks!
NaturalReader - Main Feature: Full Common Functions: Read Text Files o Text files o MS Word files
eSpeak NG - eSpeak NG is an open source speech synthesizer that supports more than hundred languages and accents.