Federal legislation demands academic success of all students as well as instructional modifications for special needs students. Even so, school districts struggle with funding educational programs and products that would greatly benefit students grappling with language and content acquisition. Free and open source Web 2.0 tools present exciting opportunities for the creation of educational material that reflects best teaching practices for English Language Learners. The chapter conducts an analysis of second language acquisition research that identifies the most common components of effective second language teaching practice. With these determined, the attention is focused on the characteristics of Web 2.0 technologies that might be used to promote educational activities and opportunities that embody these effective SLA pedagogical practices while meeting the unique instructional needs of ELL students. Although the chapter focuses on ELL students, many of the instructional methods and technology tool characteristics will benefit other students in all content areas.