HiOperator - HiOperator is a virtual assistant that answers phone calls, chats with customers, provides in-app help, takes orders, and provides support.

Block Together - A useful tool which helps you block trolls on Twitter.

Service - Customer service issues solved for you, on demand, for free.

Secateur - Use Secateur if you want to temporarily or permanently block or mute (or both block and mute) a Twitter account and all its followers.

HelpStack - Open Source mobile help framework to support iOS and Android app users.

Moderate - Identify, mute, and block trolls in your Twitter feed