ChipCha is a project which is dedicated to providing the Google ReCaptcha-like third-party captcha service to all internet content providers. It borrows the basic idea from ReCaptcha but makes some original changes. The client side and supporting documents are provided and updated here. Please feel free to download and test it with testing account. If your want to integrate the ChipCha into your web service, please register your free account on www.chipcha.com. Thank you!