abcteach - Free printables, clip art, documents, etc. Look for the "Free" menu at the left--not everything on this site is free.
Handwriting Worksheets - Handwriting worksheet maker. Includes D'Nealian and Script styles.
Teacher Planet - Worksheets, printables, units, theme pages, crosswords, puzzles, workbooks, awards, certificates, diplomas and more.
teAchnology - Free worksheets and printables
TLSBooks - Free worksheets categorized by subject--look for your grade level at the left.
Education.com - Free worksheets and printables
Tools for Educators - Free worksheets, games, and other resources.
A to Z Teacher Stuff - Themes, lesson plans, printables, and more.
123 Certificates - Printable certificates
edHelper.com - They have it all--reading, writing, critical thinking, games, puzzles, themes, bulletin boards--organized by grade level and by subject.
Discovery Education Streaming Videos (Requires login)
Super Teacher Worksheets - Free printable worksheets and teacher helpers
FillAnyPDF - Fill in any PDF form online
PrintFriendly - Removes ads, navigation and other junk from web pages so you can save toner and paper when printing web pages.
PDF to DOCX - Allows you to upload a PDF document and convert it to a Word document.
BusyTeacher - Free Printable Worksheets
OpenClipArt - Royalty and Copyright-free images
Microsoft Office Images - Photos, Images, Sounds and Animations
MyCuteGraphics - Clip Art, Clip Art Frames, and Backgrounds for teachers, teacher-created classroom lessons, web pages, blogs, scrap booking, print and more.
Mathmaster - Free math worksheet maker organized by category.
Dad's Worksheets - Free printable math worksheets also organized by category.
TeacherEd - Cool math for teachers
The Math Worksheet Site - Organized by category and includes graphing, measurement, and telling time.
Math-Drills - Free math worksheets
MES English - free flashcards,worksheets and handouts to match, phonics worksheets, ESL games, an international project exchange library, printable certificates, stickers to print and activities all ready for printing.
Tools for Educators - Picture dictionary maker
Fun Fonix -Phonics printables
Your Dictionary: English Grammar Rules and Usage