Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Octopus Deploy - Octopus is a friendly deployment automation tool for .NET developers.
Clever - syncing between education applications for K-12 schools
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Claroline - Claroline is a collaborative eLearning and eWorking platform.