Challenge.gov is a government website that encourages people to collaborate and come up with solutions to ongoing national issues.

As many as 16 people can collaborate on a given project.

"He was a good ceramic artist, which is why people like Ruhlmann collaborated with him."

In such an environment, people from various disciplines with diverse but complementary experience can collaborate.

Most people do not collaborate with their ex on avoidance schemes.

"I wanted a work space where people could collaborate and be in an open atmosphere."

About 250 people collaborated with Bockris between 1945 and 1997.

It's a place where young people collaborate to get our work done and do it together.

Several famous people have collaborated with the magazine during its history.

"And it would not be a bad idea to change things so that the people will collaborate with justice and everything can come out."