---
id: waldur
title: Waldur
hoverText: An open-source service management platform used for quota tracking, project proposals, and billing.
---

Waldur is an open-source service management platform integrated into Themelio. It is used for managing project proposals and approvals, tracking compute and storage quotas, monitoring resource usage, and handling billing organization. The Waldur Proposals Module is used to implement scientific calls and proposals for Themelio Projects.