Programma Rodoslovnaia - Skachat

Free for up to 40 people; paid license for larger trees. Link: Download Simvol Dreva

Write down oral histories before they are lost; programs have "Notes" sections for this. skachat programma rodoslovnaia

Professional-grade tools and open-source (completely free). Free for up to 40 people; paid license for larger trees

Options to hide details of living relatives if you share the tree online. Free for up to 40 people