Links to Some Free ESL Resources

I began generating this list back in 2010 using a list provided at the CATESOL Conference that year. Since then, I've been continually adding to it:

A 4 ESL: lots of online grammar & vocabulary quizzes (includes bilingual quizzes)
http://a4esl.org/

AENET Citizenship: numerous online quizzes (citizenship)
http://aenet.esuhsd.org/citizenship_lessons/quizzes/quiz.html

Andrea Jesse's Citizenship Blog: Slideshow lessons, linked - videos, crosswords, practice quizzes, writing practice, maps, etc.
https://andreacitizenship.blogspot.com/

Andrea Jesse's ESL Lessons: Slideshow lessons featuring collocations, pronunciation, tricky grammar, etc.
http://andrealessons.blogspot.com/

Andrea's Favorite Songs: videos of songs with lyrics (written words) for listening
http://andreafavoritesongs.blogspot.com/

Anthony Halderman ESL: lots of grammar practice via quizzes & video
http://anthonyhalderman.com/english/esl.htm

AWL Sublists: innumerable academic words to learn (vocabulary)
http://www.englishvocabularyexercises.com/AWL/id21.htm

Azar Grammar: printable worksheets created by teachers - Beginner, Intermediate & Advanced http://www.azargrammar.com/materials/ >

UCB Tools for Teaching / Learning
http://teaching.berkeley.edu/

BBC Learning English: words in the news, crosswords, quiznet, YouTube skits
http://www.bbc.co.uk/worldservice/learningenglish/

Better English for Business: grammar practice with a business English emphasis
http://www.better-english.com/grammar.htm

Boggles World: games, flashcards, articles, lesson plans, etc. - for all levels
http://bogglesworldesl.com/

Breaking News English: news stories with audio & learning activities (listening)
http://www.breakingnewsenglish.com/

Business English Site: business vocabulary using pix (business)
http://www.businessenglishsite.com/

Busy Teacher: Free Printables (once you sign up for free) http://busyteacher.org/

California Distance Learning Project: reading & listening with a focus on careers http://cdlponline.org/

Capital Community College Foundation: guide to grammar and writing
http://grammar.ccc.commnet.edu/grammar/

Classroom Clipart: tons of clip-art categorized for your convenience (clip-art)
http://classroomclipart.com/

Daily ESL: many reading passages with audio divided by subject (listening)
http://www.dailyesl.com/

Delaware County Literacy Council: All areas of ESL + Math + GED Practice Tests
https://delcoliteracy.org/online-resources-for-volunteer-tutors/#esl_general_subhttps://delcoliteracy.org/online-resources-for-volunteer-tutors/%23esl_general_sub

Designer Lessons: great lesson ideas using technology http://designerlessons.org/

Discovery Education Puzzle-Maker: make word puzzles (games to make)
http://puzzlemaker.discoveryeducation.com/

DK Images: innumerable images to search by keyword (clip-art)
http://www.dkimages.com/

Do 2 Learn: images for flashcards of daily activities, etc. (clip-art)
http://www.dotolearn.com/picturecards/printcards/coloring/large.htm

Donna Price: game-like activities for ESL listening, speaking, reading & writing
http://www.quia.com/pages/donna/workshops

DuoLIngo: learn any langugage https://en.duolingo.com/

EAP Vocabulary: readings with AWL vocabulary followed by comprehension exercises
http://www.uefap.com/vocab/exercise/exercise.htm

Educational Technology Clearinghouse: lots of beautifully drawn images; look up by subject (clip-art)
http://etc.usf.edu/clipart/

Education-Free: PowerPoint w/ audio programs demo basic English for kids, etc
http://www.education-free.com/

EFL Net: vocabulary, grammar, phrasal verbs; listening & reading comprehension
http://www.eflnet.com/

EGO 4 U: grammar & sentence practice; also useful conversation phrases
http://www.ego4u.com/

EL Civics: U.S. government and history lessons (citizenship)
http://www.elcivics.com/

Ello: audio dialogs with transcripts that reflect real life (listening)
http://www.elllo.org/

Emints: cooperative learning strategies & lessons
http://www.emints.org/ethemes/resources/S00000729.shtml

Englisch-Hilfen: grammar explanations & gap-fill exercises (from Germany)
http://www.englisch-hilfen.de/en/

English Club: thousands of searchable idioms, phrasal verbs, sayings & slang
http://www.englishclub.com/ref/

English Corner: idioms, collocations, slang, proverbs, false cognates, etc
http://www.englishcorner.vacau.com/

English Daily: slang, idioms, proverbs and dialogs
http://www.englishdaily626.com/

English Exercises Online: online exercises for all levels of English grammar
http://wwwedu.ge.ch/cptic/prospective/projets/anglais/exercises/welcome.html#voc

English Language World: listening, grammar & more for all levels
www.englishlanguageworld.com

English Online: animated videos demo confusing grammar (from the UK)
http://www.english-online.org.uk/course.htm

English Page: a lot of grammar practice via gap-fill exercises
http://www.englishpage.com/

English Page - Prepositions & Phrasal Verbs: gap-fill exercises to practice
http://www.englishpage.com/prepositions/prepositions.html

English Page - Verb Conjugations: learn verb tenses (including perfect tenses)
http://www.englishpage.com/verbpage/simplefuture.html

English Test: grammar & phrasal verbs explained, in context & tests
http://www.english-test.net/lessons/index.html

EngVid: videos that explain grammar points, etc. It's like a class lecture.
http://www.engvid.com/

Ernie's Activity Page: fun in-class activities/games described (games for class)
http://www.lingolex.com/userpages/Ernie.html

ESL-Bits: extended audio & texts for intermediate & advanced levels of English
http://esl-bits.net/

ESL Blues: tons of grammar quizzes & common errors explained
http://ww2.college-em.qc.ca/prof/epritchard/trouindx.htm

ESL Flow: lots of stuff incl. life skills, VESL, grammar & games (many in PDF form)
http://www.eslflow.com/

ESL Games World: fun interactive grammar games (games to play)
http://www.eslgamesworld.com/GrammarGames.html

ESL Garden: over 100 ESL stories for students
http://www.sharlagillard.com/eslgarden/stories/index.html

ESL Gold: speaking/conversation & listening & writing, etc.
http://www.eslgold.com/

ESL Listening Dot Com: listening for English language learners
http://esllistening.org/

ESL Mania: materials for teachers & learners including business English and idioms
http://www.eslmania.com/

ESL Resource Center: tons of lesson plans for all areas of ESL teaching
http://www.eslsite.com/

ESL Tower: a lot of grammar practice; also idioms; unit lessons for beginners
http://www.esltower.com/grammar.html

ESL Video Dot Com: learn English via videos
http://www.eslvideo.com/

Exam English: practice tests - TOEFL, TOEIC, Cambridge, ECCE, ECPE, PTE, etc.
http://www.examenglish.com/

FluentU English: interesting materials & ideas for students & teachers http://www.fluentu.com/english/blog/

Free Rice: match synonyms or identify a correct sentence and help feed the world
http://www.freerice.com/category

Guide to Online Schools: many links to online esl resources
http://www.guidetoonlineschools.com/tips-and-tools/esl-resources-teachers

Grammar Bytes: ADV grammar explained and (pdf) worksheets provided
http://www.chompchomp.com/

Grammar CCC: phrasal verbs - separable vs. inspeparable, transitive vs. intransitive
http://grammar.ccc.commnet.edu/grammar/phrasals.htm

Grammar Quizzes Dot Com: lots of grammar explained & practice exercises
http://www.grammar-quizzes.com/

Great Quotes: quotes divided by subject and author
http://www.great-quotes.com/

Grow English: free videos demo grammar & vocabulary for beginners & int
http://www.growenglish.com/

Idiom Connection: listed alphabetically and by subject
http://www.idiomconnection.com/

Idiom Quest: search for idioms with key words
http://www.idiomquest.com/

Infosquares: watch videos (movie trailers), then answer questions
http://www.infosquares.com/eslvideo/index.html

Idioms 4 You: search for idioms alphabetically; definitions & context scenarios
http://www.idioms4you.com

Internet TESL Journal - Conversation: conversation questions by subject
http://iteslj.org/questions/

Jeopardy Online: create your own Q&A to play in web/flash-equipped classroom
http://www.superteachertools.com/jeopardy/

John & Sarah's EFL Pit-Stop: lessons for in-class games
http://www.lingolex.com/jstefl.htm

Kathy Schrock's Guide to Everything : http://www.schrockguide.net/

KLEC: images from the Korean Language Education Clearinghouse (clip-art)
http://arts.monash.edu.au/korean/klec/clipart/index.php

KQED ESL Financial Literacy: lesson plans and activities using new media tools
http://www.kqed.org/education/educators/financial-literacy-resources.jsp

Lauri's ESL Website: readings w/ questions, listening, & more (lower levels)
http://fog.ccsf.cc.ca.us/~lfried/

LanguageGuide.Org - includes both images & audio http://www.languageguide.org/english/

Learning Chocolate: vocabulary building with audio, matching, dictation, spelling (basic level) http://www.learningchocolate.com/

Learn English Feel Good: listening comprehension & (pop culture) video
http://www.learnenglishfeelgood.com/eslvideo/

Make Beliefs Comix: make comic strips with cute characters & various emotions
http://www.makebeliefscomix.com/

Many Things - Listening: audio + text allows for listening & pronunciation
http://www.manythings.org/listen/

Netspeak: an online tool to look up word associations (collocations)
http://www.netspeak.org/

NewsELA: reading comprehension by subject - can change level! https://newsela.com/

News for You: read and listen http://www.newreaderspress.com/news-for-you-online

Nonstop English: many exercises; useful for assessment & practice for all levels
http://www.nonstopenglish.com/

OTAN: Outreach and Technical Assistance Network for Adult Educators
http://www.otan.dni.us/

Pearson/Longman Blog: a variety of exercises for different levels http://longmanhomeusa.com/blog/

ProProfs: free knowledge sharing tools & free online education
http://www.proprofs.com/

Purdue U TELL: images for foreign/second language instruction (clip-art)
http://tell.fll.purdue.edu/JapanProj/FLClipart/default.html

Puzzle Maker: make crossword puzzles and word-finds on-line (games to make)
http://www.puzzle-maker.com/

Queen Rania's YouTube Channel: videos to break down Arab & Muslim stereotypes
http://www.youtube.com/user/QueenRania

Quia - Irregular Past Tense Verbs: practice while playing Jeopardy-type game
http://www.quia.com/cb/8111.html

Randall's ESL Lab: listening exercises, quizzes and many more follow-up activities
http://www.esl-lab.com/

Real English: original video & lessons for students & teachers
http://real-english.com/

Ritter Online English Assessment Test: 60 questions - easy to difficult
http://ritter.tea.state.tx.us/student.assessment/resources/online/2006/rgrade912/9rpte.htm

Scribendi: tips on how to improve your writing
http://www.scribendi.com/advice/esl

Ship or Sheep: great listening practice with minimal pairs - distinguish sounds
http://www.shiporsheep.com/

Spelling City: generate word lists for lessons, games & puzzles (games to make)
http://www.spellingcity.com/

Squidoo: reading resources divided by subject (reading)
http://www.squidoo.com/

Stickyball: pronunciation, grammar, idioms, phrasal verbs, in-class game ideas
http://www.stickyball.net/

Study Zone Writing Tips: a step-by-step guide for writing great essays (ADV)
http://web2.uvcs.uvic.ca/courses/elc/Sample/Advanced/wt/

Teacher Tap: open source images for educators & students (clip-art)
http://eduscapes.com/tap/topic98.htm

Ted: NOT an ESL page, but lectures of interest to advanced students (listening)
http://www.ted.com/

Tools for Educators: tons of printables - games, cards, etc.
http://www.toolsforeducators.com/

US Citizen Now: The 100 question and answers from the current test (citizenship)
http://www.uscitizennow.com/

USCIS: U.S. Citizen & immigration services; a government website (citizenship)
http://www.uscis.gov/portal/site/uscis

US Citizenship Podcast: questions in different languages, videos, listening
http://www.uscitizenpod.com/

USA Learns: basic reading, writing, speaking & life skills via audio & pix
http://www.usalearns.org/

Using English: many printable worksheets; incl. grammar & phrasal verbs
http://www.usingenglish.com/handouts/

VESL For Free: free download (pdf) materials dedicated to vocational ESL
http://freedownloadbooks.net/vesl-pdf.html

VOA News: learn American English through reading & listening (ADV students)
http://learningenglish.voanews.com/

Vocabulary Can Be Fun: truly fun online games - build your vocabulary (games)
http://www.vocabulary.co.il/

Voxopop: discuss your interests with people worldwide (use your voice)
http://www.voxopop.com/

Welcome to the USA: useful information for recent immigrants
http://www.welcometousa.gov/

Word Play: tons of fun online vocabulary games (games to play)
http://www.vocabulary.co.il/word-play/

Worksheet Works: create worksheets quickly and easily http://www.worksheetworks.com/english.html