Algolia

Algolia is a hosted product search solution that you can integrate into your Magento store in minutes. With Algolia, customers think less about how to search and more about what they find. Our engine is built from the ground up, and can serve relevant content from the very first keystroke. Our search plugin for Magento makes it easier than ever before to deliver a lightning fast discovery experience, all while handing you the flexibility to personalize results, filter on categories, and create custom ranking based on your business metrics.

algolia.com