The Mulago Foundation: How we think about impact
Measuring impact is always a hot topic with institutional foundations. However, methodologies for measuring impact are often densely theoretical and difficult to imagine implemented in practice on a broad scale. This is especially true if you try to apply impact measurement to the activities of smaller funders.
This two-page paper by the Mulago Foundation on how they think about measurement lends itself to funders of any size using it as a way to think about measuring impact while adopting specific protocol to their own situation.