Downloading Spire.XLS for WPF 6.9 from our website was free. The following versions: 6.9 and 6.8 were the most frequently downloaded ones by the program users. The program lies within Office Tools, more precisely Document management. This program was originally produced by e-iceblue.
From the developer:
Spire.XLS for WPF is a professional Excel component which enables developers/programmers to fast generate, read, write and modify Excel document for WPF. Spire.XLS for WPF doesn't need Microsoft Office Excel Automation. It allows user to operate Excel document directly such as save to stream, save as web response, copy, lock/unlock worksheet, set up workbook properties, etc.
You may want to check out more software, such as Spire XLS Alternative, Spire.XLS for.NET or Spire.Office for.NET, which might be related to Spire.XLS for WPF.
Timekeeping
Office Tools