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

Diaspora (currently styled diaspora* and formerly styled DIASPORA*) is a nonprofit, user-owned, distributed social network that is based upon the free Diaspora software. Diaspora consists of a group of independently owned pods which interoperate to form the network. As of September 2013, there were estimated to be more than 405,000 Diaspora accounts

The P2P-Next integrated project will build a next generation Peer-to-Peer (P2P) content delivery platform, to be designed, developed, and applied jointly by a consortium consisting of high-profile academic and industrial players with proven track records in innovation and commercial success

Tribler is an open source peer-to-peer decentralized client with various features for watching videos online. The user interface of Tribler is very basic and focused on ease of use, instead of diversity of features. Tribler is based on the BitTorrent protocol and uses an overlay network for content searching, which makes the program operate independent of external websites and renders it immune to limiting external action, for example, government restraint. Due to this overlay network Tribler does not require an external website or indexing service to discover content.

Usenet is a worldwide distributed Internet discussion system. It was developed from the general purpose UUCP dial-up network architecture. Duke University graduate students Tom Truscott and Jim Ellis conceived the idea in 1979 and it was established in 1980.[1] Users read and post messages (called articles or posts, and collectively termed news) to one or more categories, known as newsgroups. Usenet resembles a bulletin board system (BBS) in many respects, and is the precursor to Internet forums that are widely used today.

Seventeen or Bust is a distributed computing project started in March 2002 to solve the last seventeen cases in the Sierpinski problem. The project has solved eleven cases, and continues to search for solutions to the remaining six

Civic crowdfunding platform for government agencies to raise money for public projects.

UK-based crowdfunding platform for public space projects.

Backdrop CMS is a fork of Drupal 7, created with the purpose of offering a lower barrier entry. Backdrop CMS started its existence as an offshoot or fork of Drupal. Although Backdrop originates from a common codebase with Drupal, its philosophy and organization are distinct. Backdrop practices a policy of focused releases, taking into account the feedback from the community. The overall direction is guided by the Backdrop Project Management Committee (PMC), modeled off of the Apache project. The direction of Backdrop is guided by the Backdrop Project Management Committee (PMC).