Coinbase Asset Management - Index funds, but for cryptocurrencies 💸
Stellarium - Stellarium is a free open source planetarium for your computer.
Poloniex - US-based cryptocurrency exchange with maximum security
KStars - KStars is a Desktop Planetarium for KDE.
Astronaut - You're an astronaut. Click to watch random videos in space.
SkyView - SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more.