在线文档协作管理平台GroupDocs是一个为企业用户提供在线文档管理和协作应用开发的平台，该平台提供了一套基于Web的应用程序包，用于查看、比较、转换、注释、组装和数字签名文件。
GroupDocs is a next generation Document Management solution that makes it easier for businesses to collaborate, share and work with documents online. So, organise, view, sign, annotate, compare, assemble and share all your documents online by signing up today.
网址入口：http://groupdocs.com/
