reogrid

Fast and powerful .NET spreadsheet component, support data format, freeze, outline, formula calculation, chart, script execution and etc. Compatible with Excel 2007 (.xlsx) format and working on .NET 3.5 (or client profile), WPF and Android platform.

Fork of WinMerge which has a different set of features

A library for the ReoGrid.Wpf binding model

类似csv的excel编辑器，但扩展csv特性，支持自定义分隔符，多sheet等特性