I have tackled a similar problem with Hyper Plan ( https://www.hyperplan.com https://www.hyperplan.com ) but it: -uses coloured cards as the main metaphor -ha

I have tackled a similar problem with Hyper Plan ( https://www.hyperplan.com https://www.hyperplan.com ) but it: -uses coloured cards as the main metaphor -has pivot table functionality built-in -is desktop based (Windows and Mac) I think the card approach is very intuitive and is a good fit for where: -the problem is 'chunky' and there are not more than a few hundred 'chunks' -there are less than 20 dimensions For example assigning resources to tasks.