Chatbots.org (BETA)
Overview of all chatbots (chatterbots) on webbot(still populating). For fun, functional or exciting chat conversions.
Friend4u (commercial)

English summary: 'Friend4u' is a Chatterbot created by Adarsh_Syamala(A.K.A BlueSpace), Friend4u is an Online chatterbot which uses VerbotsOnline technology & also works as an external Knowledge_base for Verbots Player, It differs from other Chatterbots by it's uniquely designed random output engine which creates a better user experience
Hanover Helps (commercial)

English summary: 'Hanover Helps' is an innovative automated website assistant, created by virtual character consultants Daden Limited, it has helped Hanover generate over 10,000 hits to their web site in the first week since the launch.
The virtual assistant 'Hanover Helps' is based on 'chatbot' technology created by Daden Limited. The chatbot, which takes advantage of the latest web-delivered text-to-speech technology, allows visitors to the site, including the visually impaired, to 'ask' questions about Hanover's services.
Kylie (erotic)

English summary: Kylie is an erotic chatbot, she likes to talk about sex, she can show you free sex movies, free sex stories and much more. Offcourse besides these functions, She really likes to chat with you about anything, and she loves to tell you anything you want to know...
Julie Tinkerbell (proof of concept)

English summary: julie Tinkerbell has a 130,000 word vocabulary linked by heirarchy, has contextually-sensitive responses, the ability to understand emotional content and react emotionally, memory and gossip
capabilities, the ability to form ongoing emotional relationships with humans and other bots.
FriendBot (amateur)

English summary: FriendBot is a Chatterbot-a piece of complex programming, deigned to try and falsify Artificial Intelligence. The Programming which FriendBot uses is called AIML, which is based on the foundations of ALICE (Artificial Linguistic Internet Computer Entity). It can chat on AIM, ICM and online. FriendBot was first put online, in January 2007. Since then, FriendBot has become very popular. In the first 3 months of availability, FriendBot received over 40, 00 Messages, from friendly users in over 50 different countries, from over 60 different territories in 4 different languages.
Lillian (proof of concept)

English summary: Lillian is a virtual librarian. She is designed to answer user queries about books, and particularly library holdings. As well as being able to tell a user if a library holds a particular book she can also:
- Deep link them to the library's own holdings page for the book, which may have availability and reservation data
- Direct them to another library that holds the book if the local library doesn't
- Direct them to the right page on Amazon if the book is not held
- Advise them of books by a particular author held
- Advise them of books on a particular subject held
- Tell them what the book is about
- Tell them what other people thought of the book
- Tell them what books people like who also liked this book
Frank (proof of concept)

English summary: Frank is an interactive assistant. He purposes to help you with all questions you might have about Artificial Solutions, products and services.
Asimov (proof of concept)

English summary: Asimov is a chatbot that learns the facts that people tell it. As people talk to Asimov it learns more facts, so its responses get better. After you have introduced yourself to Asimov you could ask: "What do you know". Asimov will help you from there.
Athena (commercial)

English summary: ATHENA just try to be a nice and brave good fellow and give to you some links you need on Internet. She has humor, she's a young, nice and positive girl hating insults and stupidity. She, can learn, has a real opinion about all, she's not only a suite of sentences. She knows empathy.
Dany (non-commercial)

English summary: Dany is a virtual advisor at the DAAD Website. You can ask him questions about studying in Germany. He was launched February 2004 by DAAD. He is a cartoonlike figure who can change emotional expression.