Here are a few tools that are either very affordable or free.
IiP Interactive link takes you to the Investors in People UK website where there are many resources to help you improve your people management practices and processes. From here you can even conduct on initial diagnosis of how your organization measures up against the Investors in People Standard. All of this available for free.
The online survey is an employee survey, administered via email by Investors in People Philippines. This is much more in depth than the self diagnostic mentioned above as it puts together a report based on responses to questionnaires from top managers, manager and individual contributors. Even so it is a very cost effective way of getting a detailed picture of how your organisation measures up the the Investors in People Standard and where the improvement areas are.
You can get more customized support by joining the ‘Working with Investors in People program‘