Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
Typeeto - Use Mac’s keyboard to type on iPad, iPhone, Android, etc.
WordReference for Alfred - Multilingual translations at your fingertips!
Type2phone - Type2Phone: Use your Mac as keyboard for iOS devices
Switch for macOS - Keyboard-driven commands to navigate your mac apps faster.
1keyboard - Type on your iPhone, iPad or AppleTV using your Mac keyboard