official CGMiner Features

Cryptocurrency mining;
Fine-tuning the software for mining;
Adjusting fan rotation and shutdown settings;
Overclocking the video card in manual mode, up to the complete "dumping" of the chip;
A large number of settings for the pools, support for startup keys.

Advantages of
The miner is optimized for AMD Radeon and Nvidia video cards;
It is compatible with Nvidia video cards released on Cuda technology;
In new versions of the miner, support for Neoscrypt algorithm for the most efficient use of ATI drivers is declared;
Developers have provided a large list of keys to start in different modes;
Contains a lot of different settings, in experienced hands it shows the best among the competitors performance;

Supports more Bitcoin mining algorithms than all available peers, the Cryptonight algorithm is also included.

Disadvantages
Managing the program through the command line - there is no graphical shell.