SOPlanning is a open source and free online planning, designed for easily create/assign projects and tasks from any browser. $5/month
We offer the best feature on the market
SOPlanning is a Simple Online Planning tool. Allows you to plan working periods for each person of your team, in a visual / printable result. Shows a line by person and the corresponding working days. SOPlanning is used in many domains/activity : IT project management, production plant, sickness and vacation management, hardware availabilities, booking system, etc.