Here you can find a range of tools, checklists and guidance to help you manage and improve the performance of your organisation. More resources are added frequently but if what you want is not here, go to advice for other ways to get the answer you need.
Warning - this resource contains penguins!
This very accessible and easy-to-use resource from the Social Policy and Evaluation Research Unit in New Zealand is both a primer and a toolkit to help you plan and implement a top-quality evaluation of your impact.
This resource from Charity Finance Group gives a thorough overview of the GDPR and presents information from different perspectives, for example, a section explaining the legislation for trustees.