XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.
Wondershare PDFelement - All-in-one PDF editor
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.