Use One Mouse & Keyboard to Control Multiple Computers

If you have more than one computer and usually use them at the same time, it is more efficient to use the mouse & keyboard of one computer to control all the computers. Fortunately, there are several free softwares for you to do this.

ShareMouse is a freeware for personal use, which even allow you to share your mouse keyboard across Windows and Mac. And ShareMouse can do more than just share your mouse - you can also drag & drop files and share the clipboard (such as Ctrl+C/Ctrl+V content) between computers!

Official Site: http://www.keyboard-and-mouse-sharing.com

Mouse without Borders is another similar free program by Microsoft but only work with Windows. Using it you can also copy text or drag and drop files across computers.
Download: http://www.microsoft.com/en-us/download/details.aspx?id=35460

Free & Open Source Online Grammar and Spell Checker

LanguageTool is an open source proof­reading soft­ware for more than 20 languages, including English, French, German, Polish, Chinese... It finds many errors and several grammar problems that a simple spell checker cannot detect. You can check your grammar and spell online and can also download the plugin for LibreOffice and OpenOffice, and the browser extension for Firefox or a stand-alone for your Desktop.

Official Site: https://www.languagetool.org/
Source Code: https://github.com/languagetool-org/


Grammark is an open source online writing aide for the English language that helps improve writing style & grammar and teaches students to self-edit.Works best for college-level essays, it gives a "score" based on problems and is customizable.

Official Site: http://grammark.org/
Source Code: https://github.com/markfullmer/grammark