Bilingua - Bilingua: your language exchange app & learning companion.
Babbel - Babbel is a paid language learning service that aims to strike a balance between thoroughness and cost efficiency.
LingQ - Learn languages by immersing yourself in a world of interesting, authentic content!
Preply - Large database of experienced English language tutors. Native speakers. Flexible payment system
Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.
Verbling - The Modern Way to Learn a Language. Language lessons with native 5-star teachers over video chat. Anytime, anywhere.