kwout | A brilliant way to quote
launched at 2007/12/25

"kwout" is a way you quote a part of a web page as an image with an image map, and post it directly to your blog, Twitter, Facebook, and so on.
launched at 2008/07/18

"sa.yona.a" is the least, but stress-free blogging service.


breakr | break the language barrier
launched at 2008/08/11

"breakr" is a service that helps you to break the language barrier by learning other country's culture(s) and language(s) in voluntary and/or social approaches.

Any Canvas

Any Canvas | Paint and Share
launched at 2008/10/06

"Any Canvas" is a service that allows you to paint a picture and shares its process with your friends. You can also paint a picture on photos or images you own, or on your web camera.


Recordr | Video Communication
launched at 2008/11/21

"Recordr" is a way you record yourself live just with a microphone and a web camera, and share it with your friends.

About You

About You | Life Stream Viewer
launched at 2009/01/30

"About You" is a tool that allows you to view a life stream of what your favorite person is doing over the entire web sites.


launched at 2010/07/12

"twitnovels" is a service that allows you to read and co-write a novel easily with Twitter account.

Cat & Chocolate

Cat & Chocolate
launched at 2011/03/07

"Cat & Chocolate" is a text-based social game.

Get URL Info

Get URL Info
launched at 2011/11/18

"Get URL Info" is a web service for getting and analyzing all the web page information.

Agile Tracker

Agile Tracker
launched at 2012/07/26

"Agile Tracker" is a simple and fast task management tool, fully integrated with Facebook and GitHub.

Infinite Story

Infinite Story | Interactive and Dramatic
(We hope to launch this service at TechCrunch50)

"Infinite Story" is a gaming portal site that allows you to create, share, and play with an interactive and dramatic story.

About Us

HeartRails Inc. is a Japanese startup company that provides various web services all over the world. If you wish to contact us, then please do not hesitate to send us an e-mail.