There are 2 repositories under inputbar topic.
Awesome autolayout Toolbar. Toolbar is a library for iOS. You can easily create chat InputBar.
1:1完美仿微信聊天表情键盘,朋友圈底部表情键盘。键盘与表情切换平滑 ChatEmotionKeyboard, GrowingTextView , useful in ChatViewController
Input bar for ruogoo app.
cordova inputbar for ios