There are many resources available to the Bitcoin community on the Trade Wiki. But listed below are some products, services, and portals we use regularly or trust.

Communities

Site	Description
bitcointalk.org	Official discussion forum
Bitcoin Meetups	Meetup.com groups that focus on Bitcoin enthusiasts.
Freenode IRC	Live chats/help about Bitcoin. If you don’t have an IRC client, use our Javascript Portal. Otherwise, login to a Freenode IRC server and join #Bitcoin channel. Use caution when dealing with people in IRC. Names are easily faked and communications are not private. You can learn more about authenticating people in IRC here.
Stuff Exists	A massive list of useful Bitcoin related links.
BitcoinTrader Blog	An informative blog on Bitcoin technology and events.

Software and Utilities

Clients
Name	Description
Official Bitcoin Client	This is the official Bitcoin client.
MultiBit	A Java client.
Utilities
Name	Description
BitAddress.org	This utility can be used to generate off-line Bitcoins keys and addresses. It allows you to print them to paper for easy reliable backup.
Online Wallets
Name	Description
InstaWallet.org	Easy to use online wallet. Never use this on a shared computer/login. Anyone with access to your wallet’s URL can spend your Bitcoins.
StrongCoin.com	A more secure online wallet that doesn’t directly store the keys to your Bitcoins. Instead, it uses JavaScript in your browser to encrypt/decrypt the keys to your wallet as needed.
BTCinch.com	An easy to use online wallet. Your Bitcoins are protected by a password, so it’s generally more save to use on a shared computer/login. But since your Bitcoins are stored on the site, they are not under your direct control.

Educational Links

Beginners
WeUseCoins.com	One of the original introductory videos about Bitcoin. Covers all the fundamentals. There have been many new innovations since this was released.
Bitcoin Consultancy Presentation 2011-10-26	This is an informative, high-level overview of what Bitcoin is and how it works.
Bitcoin Radio Ad	“A new technology is changing the way financial systems work around the world.”
Advanced
Mozilla technical presentation	This is a very technical video presentation of how Bitcoin works. After watching this, you’ll understand how mining and transactions are processed across the network.
Satoshi’s Bitcoin White Paper	This is the document that started it all.

Exchanges

Exchanges are reputable and trusted services where you can buy/sell Bitcoins for your local currency. There are actually very many Bitcoin exchanges operating around the world service local communities. If you’re in a smaller country looking for a local exchange, please view this list. While we encourage the use of smaller, local exchanges, this is the list of major online exchanges:

Merchant Services

Service	Description
Bit-Pay.com	Payment processor will receive your Bitcoin payments, convert them to your local currency, and deposit your earnings in your bank account.
BTCinch.com	Payment processor will receive your Bitcoin payments, convert them to your local currency, and deposit your earnings in your bank account. Maintains an OpenCart payment module. Can also act as an online wallet.