Feng Office - Feng Office is a commercial Open Source web based solution aimed to enhance collaboration and productivity
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.
Wondershare PDFelement - All-in-one PDF editor
Redmine - Flexible project management web application
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.