Kommunity - Explore communities that share your passion with millions of people

Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Facebook Groups - This app gives you a dedicated space for you and your groups

Influitive - Influitive helps companies increase customer lifetime value and accelerate sales with the power of their own customer advocates. Inspire your customers to stay longer, share their experiences, and attract new business.

MemberSpace - MemberSpace lets users create online course, training program, or other business idea inside existing Squarespace website.

Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.