ToolOneServer CODE_DEV_042 false Software Development Company Software development (AR/VR, web, mobile) 5 7349 C#; CSS ToolOneServer is a multi-tenant time-tracking and project-management platform built on ASP.NET Core with a Blazor WebAssembly client and a companion .NET MAUI cross-platform app. Each user belongs to a 'Contractor' (tenant) whose id is stored in the auth claims and applied as a global EF query filter, guaranteeing tenant isolation. It supports Blazor pre-rendering, cookie+JWT auth, project detail pages and manual time entry, with a MudBlazor UI. This template/architecture is later reused by DocHollidayServer and LiquiMolly. 4.2 2005 3 Specialized Development Agency Windows (UWP) desktop application 1 0 47 Available on request