Dash by Plotly - Dash is a Python framework for building analytical web applications. No JavaScript required.
Absence - Employee vacation tracking system
SnapSchedule - Snap Schedule Employee Scheduling Software goes beyond scheduling to help companies boost productivity, automate call-out and shift trade, comply with union/labor rules, and empower employees with more control over their schedules via self-service.
CWS TimeOut - CWS TimeOut is an online leave tracking software or absence management solution that can also be installed on the server.
Streamlit - Turn python scripts into beautiful ML tools
Appogee Leave - PARIM Workforce Management Software