Our teachers make you improve your writing English skills using your emails, Github PRs.. IMPROVE YOUR ENGLISH ON THE FLY! Do you write in English frequently? We proofread your emails, GitHub, Slack and other sources so that you learn and improve without effort! 1 You write in English -> 2 Teachers proofread it -> 3 Results (corrections, comments and suggestions) are sent to you. Make the most of your daily work: our English teachers (people, not machines!) proofread your writings and send you a summary report with the corrections and the suggestions. We connect many sources (email, Twitter, GitHub, Slack and many others) so that you improve without lifting a finger! And always under strict privacy and security safeguard.