Monitoring and evaluation (M&E) of any program or project is extremely important. In order to justify continuing interventions, projects, and programs, you must have some measurement for their success. Funders and customers also request to see the success and have indicators to evaluate effectiveness; without results to report, it is difficult to secure continued donor support. Within an organization or project, knowledge management (KM) also needs to be monitored and evaluated. Constant monitoring and evaluation can ensure success and allow for adjustments where necessary. Below is a list of tools that are useful in planning and implementing your monitoring and evaluation strategy. To reinforce the need for monitoring and evaluation visit evidence of monitoring and evaluation activities.