# Sequelize

> Feature-rich ORM for modern TypeScript & JavaScript

- **Canonical URI:** https://www.vioscale.ai/software/sequelize
- **Category:** ORM & Database Tools
- **Homepage:** https://sequelize.org
- **Also known as:** sequelize
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-01T21:26:22.501Z

## Vioscale score

**68.4 / 100**, confidence 32% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 0 | 6 | 0 | - |
| reliability | 0 | 8 | 0 | - |
| capabilities | 67.1 | 16 | 1073.9 | ✓ |
| github_stars | 84.6 | 5 | 422.8 | ✓ |
| integrations | 0 | 8 | 0 | - |
| github_activity | 31.5 | 18 | 566.7 | ✓ |
| release_cadence | 88.3 | 10 | 883.3 | ✓ |
| security_posture | 0 | 13 | 0 | - |
| package_downloads | 83.8 | 26 | 2179.7 | ✓ |
| pricing_transparency | 0 | 8 | 0 | - |
| stackoverflow_activity | 0 | 12 | 0 | - |

## About

A modern TypeScript and Node.js ORM for Oracle, Postgres, MySQL, MariaDB, SQLite and SQL Server, and more. Features solid transaction support, relations, eager and lazy loading, read replication and more.

_Independently observed._

## Capabilities

_The capabilities that matter for ORM & Database Tools. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Core** | |
| Type-safe queries | ✓ |
| Schema migrations | ✓ |
| **Modelling** | |
| Schema-first modelling | - |
| **Flexibility** | |
| Raw SQL escape hatch | - |
| **Core** | |
| Relations / joins API | ✓ |
| **Portability** | |
| Multiple database backends | ✓ |
| **Ops** | |
| Connection pooling | - |
| **DX** | |
| Data browser / studio | - |
| **Core** | |
| Languages | TypeScript and JavaScript |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 9 | [link](https://github.com/sequelize/sequelize/pulse) | 2026-08-01 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 30,376 | [link](https://github.com/sequelize/sequelize) | 2026-08-01 | 90% (high) |
| adoption.package_downloads_weekly | 2,847,383 | [link](https://www.npmjs.com/package/sequelize) | 2026-08-01 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | TypeScript | [link](https://github.com/sequelize/sequelize) | 2026-08-01 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/sequelize/sequelize) | 2026-08-01 | 99% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | commercial | [link](https://sequelize.org) | 2026-08-01 | 40% (low) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 21 | [link](https://github.com/sequelize/sequelize/releases) | 2026-08-01 | 70% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/sequelize). Independent, evidence-based software intelligence. Cite the canonical URI.*