- POP3 and IMAP support for almost any email service available
- Pre-configured email services such as Yahoo, AOL Mail, or Hotmail's webmail, emulating a POP3 or IMAP client
- Email alerts which pop up a small window in the corner of your screen, alerting you of new mail
- Built-in email composition, which can automatically acquire email addresses from IM profiles.
- Support for MySpace alerts, keeping you informed of updates to your friends' profiles, status, and private messages. Provides instant access to various parts of your MySpace account, such as your profile, home page, blog, etc.
- Support for Facebook, alerting you of updates in your friend feeds.
- Support for Twitter, allowing you to easily submit new "tweets", and view your friends' tweets, as well.
- Future support for additional social networks are currently being developed.
Buddy List
- Supports metacontacts, much like Trillian's metacontacts by a simple drag-and-drop system.
- Instant status updates.
- Customizable ordering of all aspects of the buddy list.
- Email and social network alerts.
- Skinnable buddy list for a personalized look and feel.
- Custom notifications for various actions such as contacts signing in/out, messages sent/received, etc
- Buddy list, IM accounts, widgets, and application settings are synchronized on Digsby's server, so all your settings are transferred between installations on other computers.
- .NET Messenger Service (Windows Live Messenger, commonly known as MSN)
- OSCAR (AIM/ICQ/.Mac)
- XMPP (Jabber, Google Talk)
- Yahoo!