Sublime Text - Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft
Clever - syncing between education applications for K-12 schools
Vim - Highly configurable text editor built to enable efficient text editing
Claroline - Claroline is a collaborative eLearning and eWorking platform.