Alternativas ao Text to Speech para Software as a Service (SaaS) com licença de código aberto

• Software as a Service (SaaS)
  Todas as plataformas Windows Mac Linux Android iPhone Windows Phone Blackberry Apple Watch iPad Android Tablet Kindle Fire Windows S Web Software as a Service (SaaS) Firefox Xbox Windows Mobile Apple TV Chrome
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial