math games, interactives, printables, and teacher guides - math now but plans to add science and social studies, elementary and maybe middle school. mostly free
From the site:
"With this software you will easily be able to create, print out, save and exchange customised jigsaws, domino activities and a variety of rectangular card sort activities. The activities created using this software can be presented in printable form, ready to cut out."
Premium Crossword is an online crossword puzzle game using the words and content from your lists.* Use this activity as your own personal crossword puzzle maker. Make crossword puzzles for kids that use content created especially for your students by entering your word list and customizing the sentences! Crosswords can be played as puzzles online or printable puzzles may be generated as worksheets for your students.
A vast website with thousands of pages of tips and ideas for teachers. Browse hundreds of beautifully made and printable worksheets. Ask educational questions and get involved with the huge site community.
http://ictmagic.wikispaces.com/Cross+Curricular
"Like to create treasure hunts, audio feedback printables, easy links to video instructions and more? Use this Bulk QR code generator. Simply add the link or text to this spreadsheet and the QR code will pop up ready to print."