Grammarly - Clear, effective, mistake-free writing everywhere you type.
Drops - Visual language learning.
EssayToolBox - EssayToolBox features lots of tools that checks any writing for grammar and spelling mistakes, detect plagiarism, brainstorms ideas, generates summaries and conclusion, counts words, and much more.
Vocabulary Miner - Flashcard app with offline learning, spaced repetition, no ads, export & import, statistics...
Write App - No-distraction writing tool for your productivity.
Lingualia - Learn Languages Online. Lingualia is a revolutionary new way to learn languages which learns from you and adapts the course to your needs. Discover a personalised language learning experience.