Habitica - Habitica is a free habit building and productivity application.
GetBadges - GetBadges is a gamification platform which allows developers to play and compete while using software development tools.
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Orcaso - Work is now gamified. Achieve greatness through orcaso.io, the simplest project management/team collaboration tool.
Habit List - Create good habits and break bad ones with the app that keeps you focused.
Cooey - IoT enabled health management platform that works offline