Google open source a series of excellent C ++ libraries, mainly on the following:
1, gflags- parsing command line parameters. You can fully use the command line to configure the application, eliminating the need for configuration files;
2, gtest-C ++ unit testing framework;
3, gmock-C ++ unit used in the mock test;
4, glog- logging library;
5, protobuf- efficient network protocol format.
After the required one by one these excellent research library.