I have a terrible habit of reinventing the wheel. I make resources, file them away, and forget that I have them. Sometimes I store them on a portable hard drive, or on Dropbox, or on school servers…and they inevitably become lost and forgotten. When I revisit them, it’s an enjoyable archaeological dig, but I kick myself when I realise I’ve made the same thing on four separate occasions.
So I’ve started a wiki of stuff that I make, partly to keep myself organised and also to share things I make with other people (as teachers we need to work smarter, not harder!).
Anything I pop on the Shared Stuff wiki is free for people to use or modify as they see fit.