- Mr Barton Maths - a big zipped file of jigsaws can be found here
- Buckinghamshire Grid For Learning - lots of different files on this page
- The Skills Workshop (adult learning) - use the box on the front page to look for .fjsw
- Bedfordshire schools have a catalogue of resources with links to files
- Mathed Up
- Maths Association list of resources
- Some projects and evaluations here
More to come as I find them...