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SubEthaEdit

SubEthaEdit is a collaborative text editor designed for Mac OS X.

The collaboration is document based and non-locking non-blocking, anyone can type anywhere anytime. Using Apple Rendezvous, SubEthaEdit works without any configuration in the local subnet. Its main areas of use are Extreme Programming and collaborative note taking in conferences.

On the text editing side SubEthaEdit features:

• Regular expression search and replace in many regexp dialects
• customizable syntax highlighting and symbol pop-up for over 20 languages
• full line ending and character encoding support (including Unicode)
• live-updating web preview, showing the rendered version of an HTML document (using WebKit

SubEthaEdit started under the name Hydra in early 2003. The name had to be changed to SubEthaEdit due to legal reasons in late 2003. The first version of Hydra was built in just a few months with the intent of winning an Apple Design Award, which it did at Apple's Worldwide Developers Conference 2003.

See also:

• GNU Emacs provides basic collaborative editing support under the X window system, using the "make-frame-on-display" command.
• GNU screen allows multiple users to share one console screen, but they have to share a single cursor.
• Groove Networks contains a collaborative editing module.
• DocSynch is a simple collaborative editing protocol using Internet Relay Chat. Only one author can write at a given time.