ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
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.
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
Pushwoosh - Mobile-inspired customer engagement platform for high achievers
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 .