Wit.ai is a platform that enables developers build applications that users can talk to or text to. Wit.ai uses an extensible natural language platform that empowers developers to build those applications. Wit.ai is able to learn human language and interaction and leverages the community. Wit.ai enables developers create text or voice based bots. Through Wit.ai, humans can now easily chat with bots on any messaging platform they prefer. Hands-free mobiles are now taking over the normal mobile phones and preferred mostly by humans. This is because humans can have the mobile experience while doing other activities such as cooking, working…
Flow XO enables you to build bots for Telegram, Slack, and Facebook Messenger. With the help of Flow XO, you can build bots in a straightforward manner by using a logical flow. Third party integrations form a core part of this chatbot platform. Users can build bots that integrate with other services like Google Drive, Twitter, Salesforce, and more. Its built-in hosting and management makes it one of the best AI chatbot platforms.
Actionable Science is a technology startup using Artificial Intelligence (AI) to deliver conversational helpdesk services. The company's Virtual People/digital agents use advanced NLP and machine intelligence to enable customers to have natural dialogues over messaging. The digital agents come ready to be implemented and are pre-trained with basic, entry-level skills for their functional roles. They can do everything you expect from an optimized service desk, including tracking tickets and seamlessly partnering with your human teams.
When BotEngine was released, I was an instant customer. I built and deployed bots on at least four other platforms while waiting for BotEngine and every one of those platforms was problematic. Either they weren't reliable and would malfunction without warning, or they were free and then not free and then kind of free and then not, etc, so i would gladly recommend.

Chatterbot Platform or Chatbot Software are computer program which are designed to simulate an intelligent conversation with one or more human users via auditory or textual methods, for engaging in conversation. Chatterbot are text based conversation agent which can interact with human users through some medium, such as an instant message service. The primary aim of such simulation has been to fool the user into thinking that the program's output has been produced by a human. Programs doing this are referred to as Artificial Conversational Entities, talk bots, chatterboxes, chatter robot, chatterbot, chatbot, or chat bot. Some of the chatterbots use natural language processing systems, and some others scan for keywords within the input and respond with a reply with the most matching keywords, or similar wording pattern, from a textual database. Chatterbots are often integrated into dialog systems for various practical applications such as offline help, personalised service, or information acquisition.

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