In general, digital forensics process can be stated as a process of identifying, analyzing and presenting the digital evidence. It comprises activities like identification, preservation, examination, analysis. Complication and complexity in the execution of these activities increase with the size of data. Cloud computing technology exacerbate the situation. Various forensic tools have been developed to improve the performance and efficiency of forensic activities. This paper highlights such digital forensic tools and provides brief information about the forensic tools. This paper examines traditional digital forensic tools helpful for the cloud forensic as well as tools that are specially designed for the cloud environment. It includes commercial as well as open-source tools.