Process Mining is a relatively young research discipline which can be described as a process analysis method that aims to discover, monitor and improve real processes. Process mining software is working with event logs because it is possible extract knowledge from available event logs from the different types of information systems, databases, transaction logs, audit trails, etc.The paper deals with basic overview of process mining software. The main purpose of this paper is to describe advantages, current trends and segmentation of process mining software. This article describes 8 tools and compares their parameters. There will be mentioned both categories: open source software and commercial products.