Here is a list of all topics with brief descriptions:

Error Handling	Unified error handling
Angle and Unit Conversion	Functions and constants for angle and unit conversions
Multi-threaded HTTP server
Syslog Emulator	Emulation of Unix syslog functionality
Serial Port Enumeration	Functions for retrieving available serial ports
Networking Objects
SQLite C++ Wrappers	Object-oriented wrappers for SQLITE3 functions
Synchronization Objects	Wrapper classes for Windows synchronization mechanisms
Operations with timeval structures
Geometry	Geometry concepts and algorithms
NMEA-0183