D4ERP is basically used for manage educational institution like school, college, universities etc. Specially for manage multiple school from one system/server.

Very Organized & Developer friendly code.
Fully ACL (Access controll list) Based.
Module base Featured.
RTL (Right to Left) Supported.
Unlimited language support.
School configuration using School settings under Admin and Super Admin.
Payment methods/options configuration settings under Admin and Super Admin.
SMS gateway configuration settings under Admin and Super Admin.
Email SMTP configuration settings under Admin and Super Admin.
Super Admin can create/edit/delete School.
Authorized user can change color theme.
Authorized user can create/edit/delete and configure language.
Authorized user can create/edit/delete academic year.
Authorized user can create/edit/delete user role.
Authorized user can update/setting user role permission.
Authorized user can update/manage other users.
Authorized user can update/manage user credential.
Authorized user can update/manage super admin users.
Authorized user can reset users password.
Authorized user can create/edit/delete email template.
Authorized user can create/edit/delete sms template.
Authorized user can delete/view users activity logs.
Authorized user can publish/unpublish guardian feedback.
Authorized user can take system database backup.
Authorized user can create/edit/delete front office visitor purpose.
Authorized user can create/edit/delete front office visitor info.
Authorized user can create/edit/delete front office call logs.
Authorized user can create/edit/delete front office postal dispatch.
Authorized user can create/edit/delete front office postal receive.
Authorized user can create/edit/delete employee designation.
Authorized user can create/edit/delete/view employee information.
Authorized user can create/edit/delete/view leave type information.
Authorized user can create/edit/delete/view/ approved/deny leave application.
Authorized user can create/edit/delete/view teacher information.
Authorized user can create/edit/delete/view class information.
Authorized user can create/edit/delete/view section information.
Authorized user can create/edit/delete/view subject information.
Authorized user can create/edit/delete/view syllabus information.
Authorized user can create/edit/delete/view study material information.
Authorized user can create/edit/delete/view class routine information.
Authorized user can create/edit/delete/view guardian information.
Authorized user can create/edit/delete/view student type information.
Authorized user can create/edit/delete/view student information.
Authorized user can manage student online admission information.
Authorized user can create/edit/delete/view student activity.
Authorized user can create/generate student admit card.
Authorized user can create/generate student id card.
Authorized user can create/generate employee id card.
Authorized user can create/generate teacher id card.
Authorized user can manage student daily attendance.
Authorized user can manage teacher daily attendance.
Authorized user can manage employee daily attendance.
Authorized user can manage attendance email.
Authorized user can manage attendance sms.
Authorized teacher can create/edit/delete/view assignment for students.
Authorized user can create/edit/delete/view exam grade information.
Authorized user can create/edit/delete/view exam term information.
Authorized user can create/edit/delete/view exam schedule information.
Authorized user can create/edit/delete/view exam suggestion for student.
Authorized user can manage student exam attendance.
Authorized user can manage exam mark.
Authorized user can manage exam term result.
Authorized user can manage exam final result.
Authorized user can manage student merit list.
Authorized user can manage student mark sheet.
Authorized user can manage student result card.
Authorized user can send exam mark via SMS.
Authorized user can send exam mark via Email.
Authorized user can send exam result via SMS.
Authorized user can send exam result via Email.
Authorized user promote student one class to another class.
Authorized user can create/edit/delete/view Certificate Type.
Authorized user can generate Certificate.
Authorized user can create/edit/delete/view library book.
Authorized user can create/delete/view library member.
Authorized user can create/delete/view e-book.
Authorized user can manage issue & return library book.
Authorized user can create/edit/delete/view vehicle of Transport.
Authorized user can create/edit/delete/view route of Transport.
Authorized user can manage transport member.
Authorized user can create/edit/delete/view hostel.
Authorized user can create/edit/delete/view hostel room.
Authorized user can manage hostel member.
Authorized user can manage general sms.
Authorized user can manage general email.
Authorized user can create/edit/delete/view complain.
Authorized user can create/edit/delete/view notice.
Authorized user can create/edit/delete/view news.
Authorized user can create/edit/delete/view holiday.
Authorized user can create/edit/delete/view event.
Authorized user can create/edit/delete/view Salary Grade.
Authorized user can process/edit/delete/view Salary Payment.
Authorized user can view Salary History.
Authorized user can create/edit/delete student discount.
Authorized user can create/edit/delete student fee type.
Authorized user can create/edit/delete income head information.
Authorized user can create/edit/delete/view income information.
Authorized user can create/edit/delete expenditure head information.
Authorized user can create/edit/delete/view expenditure information.
Authorized user can create/delete/view single invoice information.
Authorized user can create/delete/view bulk invoice information.
Authorized user can view multi type reports information.
Authorized user can create/edit/delete/view Media gallery.
Authorized user can create/edit/delete/view Media gallery image.
Authorized user can create/edit/delete/view frontend page.
Authorized user can create/edit/delete/view frontend slider.
Authorized user can create/edit/delete/view frontend about information.
User can view/update self profile information.
Guardian can view/payment for her/his child.