Statista - The Statistics Portal for Market Data, Market Research and Market Studies
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
Montecarlito - MonteCarlito is a free Excel-add-in to do Monte-Carlo-simulations.
Busuu - Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .