Garage48 is an early stage startup boot-camp and hackathon style event series to build new web and mobile services/prototypes in just 48 hours. Garage48 started in Estonia and now does events in 10+ countries in Eastern-Europea and Africa. Garage48 partners with global brands (Google, Skype, Nokia, Blackberry, Yandex etc) and startup accelerators (Seedcamp, Startup Sauna, Startup Wyse Guys, etc) to promote entrepreneurship and startup culture. See http://garage48.org/events for upcoming roadmap and past events.
Garage48 Foundation also runs biggest 450m2 co-working space in the heart of Tallinn. The space has 30+ resident desks, seats for part-timers, several meeting rooms and big event space and chill-out area. Garage48 HUB is the central space for Estonian startups, tech and design community events.