Codefield - Tools for developers, designers and photographers
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Clever - syncing between education applications for K-12 schools
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Claroline - Claroline is a collaborative eLearning and eWorking platform.