Alpha Omega Publications developed Switched-On Schoolhouse 3rd Grade Language Arts (at aophomeschooling.com) for home-schooled students as a supplement to the language arts skills they learn from the home-schooling parent. This program consists of lessons in reading, spelling and parts of speech. In addition to activities and quizzes, the software includes games and multimedia video clips.
Knowledge Adventure (at knowledgeadventure.com) produces a large line of computer software under the Jump Start brand. Jump Start Adventures 3rd Grade offers lessons in math, social studies, music, science and art in addition to language arts. The lessons in language arts include mechanics and usage. This software has adjustable skill levels to challenge every child.
Grammar Made Easy (at swexpress.com) is a software program created for students from ages 9 to 14. It covers a wide range of topics, mostly dealing with grammar and sentence construction. The software includes diagnostic tools that adjust the skill level of the software to the student. The lessons are presented in a game show format with games and tutorials.
The Learning Company's third-grade learning program Zoombinis (at rmlearning.com) has lessons and games in a variety of subjects. The language arts component of the software covers vocabulary, parts of speech, grammar and writing skills. The program also comes packaged with a DVD to reinforce the skills learned in the software.
Reader Rabbit Clue Finders 3rd Grade Adventures, available in stores, is another program that offers lessons in every subject. The language arts portion of the program emphasizes synonyms, antonyms, homophones and parts of speech. The Reader Rabbit software offers many games to make learning fun.