| |
| — |
| |
| Link | Description |
| Wordstat.yandex.ru | the estimated number of Yandex searches in the coming month for different keywords |
| Trends Google | |
| Keywordtool.io | keyword matching for Google, YouTube, Amazon, Ebay, Bing, Instagram, Twitter |
| Google Books Ngram Viewer | |
| News Explorer BlueMix | |
| Pinterest Trends |
