LeanKey Keyboard - Keyboard for Android-based TVs and set-top-boxes
Type2phone - Type2Phone: Use your Mac as keyboard for iOS devices
Zank Remote - Zank Remote is an all-in-one remote controller application that allows you to control your Android TV with ease.
Typeeto - Use Mac’s keyboard to type on iPad, iPhone, Android, etc.
Cyclr - Powerful SaaS integration toolkit for SaaS developers - create, amplify, manage and publish native integrations from within your app with Cyclr's flexible Embedded iPaaS.
1keyboard - Type on your iPhone, iPad or AppleTV using your Mac keyboard