GetBadges - GetBadges is a gamification platform which allows developers to play and compete while using software development tools.

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

HabitScript - Gamify your coding time

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.

Goals & Challenges by Fini - A social way to gamify goals and habits with challenges

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.