Burning Man is an annual event and a thriving year-round culture. The event takes place the week leading up to and including Labor Day, in Nevada's Black Rock Desert. The Burning Man organization (Black Rock City LLC) creates the infrastructure of Black Rock City, wherein attendees (or "participants") dedicate themselves to the spirit of community, art, self-expression, and self-reliance. They depart one week later, leaving no trace.

Jelly is a casual working event. It's taken place in over a hundred cities where people have come together (in a person's home, a coffee shop, or an office) to work for the day. We provide chairs and sofas, wireless internet, and interesting people to talk to, collaborate with, and bounce ideas off of.

Seco is a self-managed social center that is in the Adelfa neighborhood in Madrid, with over twenty years of history behind it.

Betahaus is a coworking space in Berlin, Hamburg, Sofia and Barcelona. They focus on community building and foster the interactions between the different coworkers in the different locations. They organize frequent meetings and gatherings for networking and knowledge sharing They also have a maker space in Berlin facility: Apart from separate meeting rooms, large event spaces, an fablab called open design city and our café on the ground floor for relaxed entertainment, we have a coworking space of approximately 1500 square meters.

MOB is more than a co-working space, it is a localized community of makers. With over 120 members MOB, provides the perfect platform from which to take a project from idea to completion. Allowing to test, prototype, market and release your project all under one roof.

nolotiro.org is a website where people give free gifts and seek for second hand furniture, chairs, sofas, bicycles, laptops, tables, stoves, lamps, beds, clothes, toys, baby cribs or cars, mobile phones and other any things you no longer want and do not need, so people who may need them can reuse them and give them a new life.

TioLive was created with the idea that a full ERP / CRM / email service could be offered based on a "Freemium" business model where occasional users get the service for free and power users pay a reasonable subscription fee.

We propose a decentralized privacy-preserving approach to spam filtering. Our solution exploits robust digests to identify messages that are a slight variation of one another and a peer-to-peer architecture between mail servers to collaboratively share knowledge about spam

Noserub is a protocol and reference implementation for a decentralized social network service. Its basic principle is an openness to other social network services so that information can be shared more easily without having to register and actively monitor each one.

The Netsukuku project is based on the very simple idea of exploiting the great potentiality of the wifi connectivity, making the PCs of wireless communities act as routers and handle together an ad-hoc network even bigger than the Internet. Netsukuku is an ad-hoc network system designed to handle massive numbers of nodes with minimal consumption of CPU and memory resources. It can be used to build a world-wide distributed, fault-tolerant, anonymous, and censorship-immune network, fully independent from the Internet.