Bitcoin Wiki:Community portal
Bitcoin Community Forums
IRC Chat
- General Bitcoin-related (webchat)
- Development and technical discussion (webchat) (archive)
- Over The Counter exchange (webchat)
- Live streaming quotes from MtGox and BCM (webchat)
- Live auctions (webchat)
- GPU mining related (webchat)
- RSS News related to Bitcoin (webchat)
- Marketing and promotion of Bitcoin (webchat)
- Bitcoin users in Australia (webchat)
There also are IRC channels for for-profit initiatives such as Witcoin and XKCD Pool.
Wiki Users
- List of Users registered on the Bitcoin wiki.
Events
- [Meetup|Tokyo Meetup]
- New York Bitcoin Users Meetup Group
- Washington, DC Bitcoin Users Group
- Chicago Bitcoin Users Meetup Group
- Silicon Valley Bitcoin Users Meetup Group
- Los Angeles Digital Currency Innovators Group (forming)
- San Francisco Bitcoin Users Group (forming)
Bitcoin Related Publications
- The Bitcoin Times weekly newspaper
- See Blogs category
- See Press
Maps
- Bitcoin.local Local exchanges
- The Bitcoin Map collaborative map
Monitoring
- Bitcoin Charts displays an overview of Bitcoin exchange markets.
- The Bitcoin Monitor visualizes transactions, new blocks and trades on markets as they are happening.
- Bitcoin Watch has various statistics on things like the size of the economy or the number of transactions.
Bitcoin Project
- Bitcoin.org Official project site
- FiveGrinder.com Project planning and Activism
- Developer pages