Cortana!

Braina Virtual Assistant is an intelligent personal assistant software for Windows PC that allows you to interact with your computer using voice commands in English language.

In the near future, voice-controlled assistance will be ubiquitous. Cars, homes, subway stations, etc. will all have some type of ambient microphone-speaker device which listens and responds to commands. Already we see commercial products emerging such as Apple's "Siri", Microsoft's "Cortana", and Amazon's "Echo" that carry out such functions. But those all limit you to what the companies' developers decide you can do. This is because the companies have to hire developers to program every type of input and every type of response. Moreover, the voice assistance that they provide only work on proprietary products that they sell. »

Sirius is an open-source end-to-end standalone intelligent personal assistant (IPA) service. Sirius receives queries in the form of speech or images and returns results in the form of natural language. Sirius implements the core functionalities of an IPA including speech recognition, image matching, natural language processing and a question-and-answer system.

The Speaktoit Assistant is a virtual buddy for your smartphone that answers questions in natural language, performs tasks, and notifies you about important events. The Assistant saves you time and makes communication with gadgets and web services easier and less stressful.

Google Assistant is a virtual personal assistant developed by Google and announced at its developer conference in May 2016. Unlike Google Now, Google Assistant can engage in two-way conversations.

Madonna Virtual Assistant, part of the Synthetic Intelligence Network(SYN), is a free and flexible Virtual assistant designed for normal users who wish to add Artificial Intelligence to their computer.

Now Workplace is the new way to work. It’s a personal, digital assistant that proactively sends actionable Cards about relevant changes and upcoming events, understands voice commands, and offers an enterprise-wide search.

With VoiceMacro your computer, application or game can be controlled by voice commands and/or by the press of a keyboard, mouse button or combinations of it, additionaly you can start any of your macros by scheduler, by a macro action, or from an external program.

This is an all-in-one solution to all your needs to simplify your daily life. Buddy app is your true buddy to do things the smart way. Be it setting up reminders, list down todos or looking for upcoming events, Buddy app will have you covered.

Blather is a speech recognizer that will run commands when a user speaks preset sentences.