Intelligent Speaker is described as 'Text to speech extension for a browser. Automatic text detection (can speak without necessary selection), adjustable voice speed, playlist' and is an app in the Web Browsers category. There are more than 50 alternatives to Intelligent Speaker for a variety of platforms, including Windows, Mac, Online / Web-based, iPhone and iPad. The best alternative is Balabolka, which is free. Other great apps like Intelligent Speaker are Read Aloud (Free, Open Source), eSpeak (Free, Open Source), Read Aloud (Free) and TextAloud (Paid).
Fala - A simple text reader is an open source application. A simple software that speaks a text. You can type the text or appoint a file. Fala is just a frontend to festival. Its designed for GNOME, but if you have gtk, pyhton and festival you are able to run it.
New entry is automatically added w/ text copied from apps. New entry is automatically synthesized / spoken. Keep playing entries in listing when Continuous Play is enabled. Highlight spoken words while text is spoken, when option is enabled. etc.
Helperbird is a Google Chrome extension that gives people the features and customization to make reading and browsing the web easier. Including specialized fonts, changing of the background color, font colors, text, speech, overlays and more! Such as dyslexia.
Let Text to Speech read web pages to you. Download webpages for reading offline. Practice speed reading. Use it simply as a RSS reader or use RSS playlists feature to listen to items in RSS feeds. Read from clipboard. Offline playlists.
Select and Speak uses iSpeech's human-quality text-to-speech (TTS) to read any selected text in the browser. It includes many iSpeech text to speech voices in different languages. You can configure the voice and speed options by changing the settings on the options page.