Humen is described as 'Free Online Team Holiday Manager'. There are five alternatives to Humen, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and Android. The best alternative is Calamari. It's not free, so if you're looking for a free alternative, you could try LeaveBoard. Other great sites and apps similar to Humen are Absentia (Paid), e-days (Paid) and Timetastic (Paid).
LeaveBoard manages employee absences and time off requests with a very simple and intuitive way for companies. Automatise the attendance management for multiple teams and absence types. Free for up to 10 employees.
e-days staff holiday planner is ready to go directly from your web browser, providing self-service access for easy staff holiday booking and absence tracking. Employees can view holiday entitlement, manage staff absences and measure absenteeism rates all online.
Timetastic is your simple, easy-to-use staff holiday planner Used by over 100,000 people to organise their time off work. It’s the online, mobile and paperless way to manage staff leave which gets rid of holiday forms and spreadsheets.