# Recommendation Engines

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [Gorse](https://www.vioscale.ai/software/gorse) | 53.1 | 14% (low) | - |
| 2 | [Amazon Personalize](https://www.vioscale.ai/software/amazon-personalize) | 38.1 | 42% (low) | - |
| 3 | [TensorFlow Recommenders](https://www.vioscale.ai/software/tensorflow-recommenders) | 32.9 | 21% (low) | - |
| 4 | [Algolia Recommend](https://www.vioscale.ai/software/algolia-recommend) | 22.4 | 3% (low) | - |
| 5 | [Apache PredictionIO](https://www.vioscale.ai/software/apache-predictionio) | 18.5 | 22% (low) | - |

---
*Source: Vioscale (https://www.vioscale.ai/categories/recommendation-engines).*