Grammar Checkers
Quill

Let students do the writing to make grammar lessons more meaningful
Bottom Line: This tool offers excellent opportunities for grammar and writing practice, well-tailored to students' abilities and needs.
NoRedInk

ELA site mixes grammar and writing practice, layers in useful feedback
Bottom Line: This tool has meaningfully evolved over time, expanding the range of skills students build and offering students helpful suggestions for improvement.
WriQ

Writing support tool helps teachers track progress and give feedback
Bottom Line: This extension gives students useful, immediate feedback to make some improvements and save teachers time, but it lacks substantive instruction.
Grammarly

Helpful tips support the writing process, build confidence
Bottom Line: A flexible tool that -- with teacher guidance -- students can use for both quick fixes and more in-depth writing improvement.
EasyBib

Helpful citation and writing resource for instant bibliographies
Bottom Line: EasyBib works great for citing sources and generating bibliographies, but other tools such as a grammar checker are limited.
Grammar Instruction and Reference
EducationCity

Cute, clever, standards-aligned activities teach foundational skills
Bottom Line: Games and activities can help reinforce key math, language, and science concepts for elementary schoolers.
IXL

Immediate feedback and breadth a huge plus, despite emphasis on drills
Bottom Line: Students can improve targeted skills by using practice modules in moderation.
ReadWriteThink

Free hub for literacy lessons aims to deepen learning, engagement
Bottom Line: This is a trustworthy site that teachers of all grades/subjects could find a way to use weekly for lessons or professional development.
BrainPOP Jr.

Original videos and activities a treasure trove for teachers and students
Bottom Line: A unique, video-driven learning platform with tons of topics and resources.
Flocabulary

Delightful hip-hop-based site connects literacy to every content area
Bottom Line: This site's content is savvy enough to keep students focused, and teachers will love the flexible options for deepening learning.
OER Commons

Free, easy access to a wealth of resources
Bottom Line: Impressive resource opens access to quality materials for all educators.
SentenceBuilder for iPad

Sentence games have potential to build grammar knowledge and skills
Bottom Line: Students can learn how to create descriptive sentences and can pick up some important grammar knowledge in the process.
Grammaropolis.com

Catchy parts-of-speech instruction, from hook to assessment
Bottom Line: The fun songs will stick, and so will kids' knowledge about the parts of speech.
Punctuation - End Marks

Clever quizzes, charming characters explore rules for ending sentences
Bottom Line: A thoughtfully designed, consistently engrossing tool for learning key grammar points.
grow grammar

Prune grammatically perfect sentences with simple diagramming tool
Bottom Line: Sleek visual format makes grammar more tactile and concrete.
Grammar Pop

Pop-the-words game helps students brush up on parts of speech
Bottom Line: Students can become very familiar with the parts of speech, but they won't gain an in-depth knowledge of grammar and usage.
Grammar Girl: Quick and Dirty Tips

Language mechanics explained with panache
Bottom Line: The nimble tone makes solid grammar info accessible, but the site could benefit from more interactive elements.
Purdue Online Writing Lab

Quality resources for literary teens, but won't motivate reluctant writers
Bottom Line: Use this site as a robust resource for all aspects of the writing process, but don't expect an online community or interactivity.