OpenTimeClock ( Open Time Clock ), secure web based time clock system for any size business. It was designed for business owners, bookkeepers and payroll professionals to track employee' time, absence and schedule. Permanent FREE PLAN is available with unlimited managers and employees supported for basic features. Restrict your employees only clock in/out from certain networks or computers. Web camera supported to avoid pal punch in/out. Supports third party barcode scanner, RFID/NFC reader. Accessible from Windows, Linux, Mac OS, iPad, Android tablet, iPhone, Android phone and Windows phone. Old style telephone and SMS text message add on available to remote office without Internet access. Unlimited users with unlimited devices - we don't limit how many offices/locations or devices/terminals you can have.