51TalkEnglish-learning tool for Chinese speakers
ABA EnglishOffers online English language courses with films and live teacher consultations
Apex Learning Comprehensive CoursesComplete, digital course of study for high school students
BabbelLanguage learning tool assesses learners and targets according to abilities and interests
BetterChineseTool for preschool-college students to learn Chinese language/culture through stories
Busuu.comOnline language learning courses and community with over 25 million users worldwide
Cell-EdShort English language lessons designed for mobile learning
ClassTracksEfficient vocabulary learning system for ELL students that allows teachers to track progress.
ColingoLearn english through conversations with native speakers
CoolcherConnect with experts teaching language & cultural concepts
DuolingoLanguage learning service for learners who then help translate real-world online content- ★
EdgenuityComprehensive online curriculum for blended learning settings 
EdisonLearning eCoursesIndividualized, CCSS aligned modular courses with assessment, tracking, and reporting
Education CitySite offering 2K+ language arts, math, science activities & lessons for pre-K - 6th grade
ELL Digital CurriculumDigital ELL curriculum for K12 students
English AttackGames, photos, movie clips and peer tutoring for English language practice
Fuel EducationFull virtual curriculum with online teachers or used by teachers in traditional courses
GamesforLanguageOnline learning courses & games for a variety of languages
GowellOnline language courses for Chinese and English
HelloTalkiOS and Android app that connects language learners with native speakers around the world
Imagine LearningLanguage acquisition and literacy program fosters English language skills in Pre-K and up
Imagine Learning EspañolSpanish language acquisition & literacy for young students
ImmersiaSimulation game for learning the basics of languages
Istation EspañolInteractive Spanish curriculum and adaptive assessments for grades Pre-K through 3
JaccordeGrammar practice for advanced French speakers
LanguageNutOnline language learning platform that teaches students through games, stories, songs, etc. in the classroom and at home
Learned By MeLive, one-on-one Spanish tutoring with a native speaker via Skype
Learning Games StudiosGames for learning english and understanding arguments
LentilAdaptive learning app that currently covers geography and Japanese and Korean languages
LIncoln EmpoweredFully accredited K-12 blended learning curriculum/instruction with online communities
LingoJingoLanguage learning resource for ELL students
LingokidsEnglish Language Development for Pre-K students
Lingo LiveLive, one-on-one Spanish, Portuguese and English tutoring with a native speaker via online screen sharing platform
Lingua.lyChrome extension or mobile app that teaches users a new language through subject and difficulty appropriate content on the internet
ListenwiseOrganized non-fiction, public radio stories covering science, social studies and language arts topics･ 95 reviews
Little PimLanguage learning program for young students
Merit SoftwareSoftware for reading, writing and math with exercises, feedback and automatic scoring
Digital K-12 World Language LearningOnline foreign languages courses for grades 3-12. Developed in conjunction with K12 Inc
Middlebury Interactive LanguagesDigital courses for English language learners to help build vocabulary and literacy development.
MindSnacksLanguage learning app for iOS, using simple games and cute animations
NativeAccentIntensive online language learning course
NinchaneseChinese language acquisition and literacy
NuluLanguage learning assistant that helps translate text as you read and lets you communicate with native speakers
OKpandaApps for English language learners to interact with native speakers
OnlineFreeSpanishOffers free Spanish language lessons and games online
ParraokeApp for learning Mandarin Chinese
PlaySayLanguage learning app connects users to real conversations for pronunciation feedback
PonderBrowser add-on that measures reading activity･ 94 reviews
Positive LearningSecondary math help and assistance for ELL students.
QLLLanguage learning apps
Rosetta StoneHelps English speakers learn other languages and aids English language development
Rosetta Stone for K-12Online language learning for students.
SAS Curriculum PathwaysInteractive materials targeted toward building critical thinking skills in all subjects
SentopiaryELA app to help teach elementary and middle school students grammar
SophiaFree crowdsourced tutorial instruction in a range of subjects for grades 6-12 & college- Spanish lessons - Foreign languageOnline courses in Spanish Language
Spanish Voces eTextbookDigital courseware for Spanish instruction- ★
Time To Know: TeachPlan lessons, manage classes and assess performance & progress in real time 
TripppinSite for English language learners to learn through a series of videos, and practice with other learners
VIPABCEnglish learning tool for Chinese speakers
VerblingWebsite that facilitates language learning by connecting learners with native speakers through live video
VivaLingOnline language learning platform for children ages 3 to 15
VocabSlamOnline vocabulary engine for students.
Voces eTextbooksOffers browser-based Spanish and English Language Arts e-textbooks
VoxyLocation-based language app customizes curriculum to meet the situation of the learner
WeSpekeConnects language learners for speaking practice and cultural exchange
Wordplay.comSimple game to teach Spanish vocabulary automatically adjusts to students' unique needs
Word Raider: QuestVocabulary games in which students earn rewards by discovering new words
Xenos IsleELD instruction game