Buwlink is described as 'gives you the possibility to simulate inputs like a keyboard, a mouse, a shortcut and others on your windows computer with your android smartphone'. There are more than 10 alternatives to Buwlink for Windows, Linux and X11. The best alternative is AutoHotkey, which is both free and Open Source. Other great apps like Buwlink are AutoKey (Free, Open Source), xdotool (Free, Open Source), Key Manager (Paid) and WinAutomation (Paid).
MacroGamer gives the tools to write a macro. This is done through recording keystrokes in real-time as they are pressed. Each of the keystroke is recorded exactly as is. The owner can bind each macro to any key based on the user’s preference.
Automatic Mouse and Keyboard is a really powerful and easy-to-use Mouse and Keyboard automation tool. It makes your mouse move and click automatically on locations that you defined. It can use a small picture to locate a point on the screen, which makes it very flexible.