Org Chart JS, Family Tree JS and Flow Chart JS components for developers. BALKAN OrgChartJS lets developers to create simple, flexible and highly customizable organization chart for presenting structural data in an elegant way. Build family tree app with BALKAN FamilyTreeJS library. Family Tree also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. Adding Flow Chart JS to your project is very simple, it will only take you few minutes, then your users will be able to create flow charts in seconds.