Multilingual.

OmniPlan is designed to help you visualize, maintain, and simplify your projects. Break down tasks, optimize the required resources, control costs, and monitor your entire plan?all at a glance. Collaborate with your colleagues and share every detail, update a calendar with your days off, or mix and match. Accept and reject changes one-by-one or all in one go.

https://www.omnigroup.com/omniplan