Find a common meeting date and time:

• doodle

Free multi-user real-time online editing:

• writeboard, password protection, modifications history
• collabedit, syntax highlighting, easy to use
• ietherpad, mail invitation, authorship colors (see clones as SplinePad, PrimaryPad or TypeWithMe)

Source code comments are also important for efficient team development.

• pydoc for Python scripts …

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