According to a BBC news story, SpeakLike "crowd sources work to its pool of 3,000 translators, They can translate your blog into 35 languages and, incredibly, can even do tweets and live chats." Plus, they have the SpeakLike API.
Trailforks runs "a user-powered mountain bike trail database currently focused on BC, Canada," to report on trail conditions and what is required to upgrade them.Notes for the Trailforks API are like the bike trails it reports on: rough. But the site's creator, Trevor May, promises more documentation soon.
Nathan Kontny is out to revise how you write, especially when you work with others. His online word processing program, Draft boasts features you can't find in any other wordprocessor--like a professional editing service, for example.