Free Spire.XLS for .NET

Free Spire.XLS for .NET is a Community Edition of the Spire.XLS for .NET, which is a totally free Excel component for commercial and personal use. As a standalone C#/VB.NET component, Free Spire.XLS for .NET enables developers to create, manage and manipulate Excel files on any .NET applications.
Free Spire.XLS for .NET is a standalone Excel .NET library and does not depend on Microsoft Office Excel. It supports both for the old Excel 97-2003 format (.xls) and for the new Excel 2007 and Excel 2010 (.xlsx, .xlsm).

Today’s small-to-medium-sized (SMB) businesses and large enterprises are saving on their monthly communications costs by making one simple decision: to switch to a VoIP service solution from their old, outdated Plain Old Telephone Service (POTS). By choosing a new VoIP service, these companies enjoy the flexibility, reliability, call features, and audio quality that only a VoIP service can provide. Plus, they cut their phone bill by up to 70%!