Innovayse Sheets
Innovayse Sheets is a collaborative spreadsheet service where many people can work in one sheet at once, seeing each other's edits as they happen. An ASP.NET Core 9 backend handles formula evaluation, sharing and access control, and SignalR-based real-time presence and live cell updates, paired with a Nuxt/Vue 3 client.
sheets.innovayse.comThe Challenge
Build a real-time collaborative spreadsheet with a native-feeling grid — headers, selection, formula bar, sheet tabs, undo/redo, and sharing — backed by a proper formula engine, not a thin wrapper over a spreadsheet library.
Our Approach
Built the backend on ASP.NET Core 9 with EF Core and PostgreSQL, a SignalR hub for real-time collaboration, and an in-house formula evaluation library, paired with a Nuxt 3 / Vue 3 client implementing the grid, formula bar, sheet tabs, undo/redo, and sharing UI.
Key Features
Results Achieved
Real-time multi-user editing with live cell updates via SignalR
In-house formula evaluation engine
Full grid UX — headers, selection, formula bar, undo/redo
Sharing and access control built into the backend
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