Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
BeneTalk - Speech coach for people who stutter by people who stutter
BoldVoice - Accent coaching app for non-native English speakers
LingRoom.pl - Tutoring marketplace LingRoom pairs students with private tutors, either locally in-person or online via Skype. Find your best tutor.
Andy Chatbot - Learn and practice English with exercises, grammar and games
TalkPal - The Most Efficient Way to Learn a Language