GrandBastard vs Mazen

Chess Puzzles and Chess Analysis Extension for Firefox and Chrome.

GrandBastard offers 200K checkmate puzzles for chess lovers who want to practice their endgame.
Install our Chrome and Firefox extension to get game hints while you are playing on chess.com or lichess.

First SEO software that saves your time

Mazen allows you to find keyword, audit your website, solve problems, optimize your contents and get reports, in only 1 single screen. With our CMS integration (wordpress, Magento, Shopify, Drupal...), and thanks to a unique UX that allows to create customizable dashboards, SEO specialists save hundreds of hours using Mazen. Even organizing keywords can be done in the same interface, so that excel export becomes useless. With Mazen, you can nos focus on what really matters : finding new clients, create great contents, or even go home earlier !