Reston, Va. - Koofers, the developer of an online community where college students share old exams, quizzes and class notes for use as study aids, has secured the first $500,000 of a planned $2 million first round of funding, PEHub.com reported, citing a regulatory filing.

Reston, Va. - Mpowerplayer, a developer of software that allows content providers to offer online demos of mobile games, said on Wednesday that it has secured $2.5 million in its first round of funding.

Washington - ARPU, the developer of a point-of-sale advertising network, has raised $8.7 million in its third round of funding, according to a filing with the Securities and Exchange Commission (SEC).