• File structure
• FSM structure
• Data structures
• Main loop logic
• Client scheduling policies
• Host measurements
• Host identification
• Core client/application interaction (basic)
• Core client/application interaction (graphics)
• Client configuration files

Server programs

• The BOINC database
• Work distribution policy
• Backend state transitions
• The logic of backend programs
• Debugging server components

Protocols

• Protocol overview
• The scheduling server protocol
• Scheduling server timing and retry policies
• Data server protocol
• Persistent file transfers

Client extensions

• GUI RPCs
  Lets you control or show the status of BOINC clients, local or remote.

Web-based extensions (statistics and account management)

• Credit statistics data
• Cross-project identification
• Web RPCs (possibly useful for statistics sites)
• Account management systems

Miscellaneous

• BOINC simulator (simulate large-scale projects)
• Python framework
• Preferences
• Trickle messages
• How to see what has changed between two versions of an executable.
• Spec info for RPMs