Web services

Booking Analytics platform increases your hotel's occupancy

Read VK, Twitter, Facebook and others site on RSS

RssMix

Синхронизация избранного Habrahabr`a с Pocket

Telegram bots

Aналитика для телеграм чатов

Open source projects

Yandex.Mail extension for Opera

Yandex.Lenta extension for Opera <= 12

Others open source project see on Bitbucket or Github