Software tools, such as network management systems, network monitoring tools, network optimization software, and network security software, are applications or programs that run on the network. They provide more versatility and customization for network optimization, as they can support multiple functions and features and can be updated and modified easily. Additionally, software tools offer more visibility and control over the network as they can collect and analyze data, generate reports, and alert users of issues. However, there are some challenges associated with software tools, such as high resource consumption and performance impact which can slow down the network or cause conflicts with other applications. Moreover, there is a risk of security and reliability issues due to the vulnerability of software tools to hacking, viruses, bugs, and crashes. Finally, there is a learning curve and complexity associated with software tools as they can be difficult to install, configure, use, and troubleshoot - often requiring specialized skills and knowledge.