ESL/EFL

K-12 in Content Areas

Pearson Online Demos  (PowerSchool, PowerTeacher, etc.)

Sight Word Games

Simulations / Integrated skills / Critical thinking

Oregon Trail -- registration required for the full download (540 MB; took 9 min. to install on a T1 line;
Carmen Sandiego -- full download available (scroll to bottom of page)
Other Classic Games (full download): http://www.download-full-games.com/
free downloads of flash-based games
Sim City 2000 (free download to try)

Role Playing Games
Educational Games
Historic Games
Jigsaw Games
Tom Snyder Productions: Products: includes the following award-winning educationsl games:
Neighborhood Mapmachine (gr. 1-5)
Community Construction Kit (gr. 2-6)
Time Liner (gr. 1-12) 
Science Seekers (gr. 5-8)

Longman English Interactive -- a multimedia program at 4 levels of proficiency; includes all skill areas as well as vocabulary, grammar, video and audio, and quizzes; click Take a Tour.
Tell Me More Online -- free trial (registration required; flash-based course at beginner, intermediate, advanced levels; includes grammar, vocabulary, writing, oral skills with speech recognition, culture; can be used/delivered online)
Ellis -- instructional solution for integrated skills
Side-by-Side Interactive -- 2-level, video-based multimedia program; click Take a Tour.
Understanding and Using English Grammar -- for intermediate to advanced learners (Longman)
Rosetta Stone
Pronunciation Power Idioms

Pronunciation Power1--beginning - intermediate
Pronunciation Power 2--intermediate - advanced
Pronunciation Patterns -- use of Firefox and RealPlayer recommended
Speak to Me
Pronunciation Power Idioms

From Riverdeep: 
Early Learning product demos
The Edmark House Series -- free demos, special needs
Top Teaching Resources: Reading Comprehension; includes resources for:
Elementary level (7 resources)
Middle school: 6 Reading software resources (free trial downloads)
High school: 5 Reading software resources
ESL (3 resources)

Reading (many resources for K-12 reading from Riverdeep)
Developing Critical Thinking Skills for Effective Reading (free trial download)--grades 5-6, 7-8; hands-on practice in using basic reading improvement strategies; includes record management system
Reading Shape-Up (free trial download)--grades 3-5 and 6-8; helps students master specific reading skills: main idea, vocabulary, sequence, fact-opinion, factual recall, and inference.
Accu-Reading (free trial download)--grades 5-8, 9-11; short non-fiction selections designed to improve specific reading skills: main idea, vocabulary, sequence, factual recall, inference, and drawing conclusions

Kidspiration and Inspiration
KidPix Deluxe (free trial download)

Talking Fingers

Focus on Grammar Interactive -- 5 level program (Longman)
Understanding and Using English Grammar Interactive -- click Take a Tour
Grammar Express Basic -- beginning to low-intermediate; includes audio, animation, and activities; click Take a Tour

Encomium's Interactive Test Prep for the TOEFL
Encomium Publications' WEB Mentor ™ for the TOEFL^® Test
TOEIC Pronunciation in American English

8-in1 English Dictionary

Longman English Assessment -- a computer-adaptive placement test for Longman English Interactive.  Click Take a Tour

Exercise Generator Plus (for integrated skills, business)