Hi! I can write a system (aplication), which monitors attendance of students and employers with rfid machine, have web interface (or simple gui writed with winForms or wpf),have user autentufication, allow to configure it (only for limited number of users - admins or managers), can send notifications using all popular ways (email, sms, ...), store all data in database, allow to get reports in doc, exel, pdf;. I'm experienced with .net, on my primary work i writing asp.net applications, worked a lot with wpf, experienced with bilding flexible and clear arhitecture of aplication. i can write software part for you in the shortest period with the smallest price.