1. Bx Slider Widget for Yii 2 https://github.com/yii2mod/yii2-bx-slider 2. Star Rating Widget for Yii 2 https://github.com/yii2mod/yii2-star-rating 3. jQuery countdown widget for Yii2 https://github.com/russ666/yii2-countdown 4. Sweet Alert Widget for Yii 2 https://github.com/yii2mod/yii2-sweet-alert 5. Yii 2 Tree (jsTree) https://github.com/arogachev/yii2-tree 6. Infinite AJAX scrolling for Yii2 https://github.com/kop/yii2-scroll-pager 7. Yii2 Toastr Notification https://github.com/odai-alali/yii2-toastr 8….