About the system and developer
Masterly™ is an electronic gradebook and learning system for vocational education institutions. Version 36.8.
Developer and rights holder
- Developer
- ФОП Сидоренко Сергій Юрійович
- sergeysydorenko26@gmail.com
Rights
© 2026 ФОП Сидоренко Сергій Юрійович. All rights reserved.
The program code, the name "Masterly", the logo, page design and interface texts are the intellectual property of the developer. Copying, modifying, decompiling, transferring or installing the system for other parties without the developer's written permission is prohibited. Schools use the system with the developer's permission; school data belongs to the school.