# Dapper vs TypeORM

**Leader by Vioscale score:** TypeORM

| Attribute | Dapper | TypeORM |
|---|---|---|
| **Vioscale score** | 52.1 (38% (low)) | 73.3 (71% (medium)) |
| activity.commits_last_30d | 6 | 10 |
| adoption.dependent_repos | 477 | 51,340 |
| adoption.github_stars | 18,373 | 36,632 |
| adoption.package_downloads_weekly | - | 4,983,124 |
| deployment.options | - | `{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` |
| description.long | A micro-ORM for .NET that extends ADO.NET connections to execute SQL queries and stored procedures, supporting both synchronous and asynchronous operations with features for object mapping, dynamic SQL building, and multi-result set processing. | TypeORM is an object-relational mapper that enables type-safe database interaction across multiple platforms and database systems. It offers both Data Mapper and Active Record patterns, with built-in support for TypeScript and comprehensive migration capabilities. |
| features.capabilities | `{"raw_sql":true,"multi_db":true,"languages":"C# / .NET (all TFMs)","relations":true}` | `{"raw_sql":true,"multi_db":true,"languages":"TypeScript, JavaScript (ES2023)","relations":true,"migrations":true,"schema_first":true,"type_safe_queries":true,"connection_pooling":true}` |
| language.primary | C# | TypeScript |
| license.spdx | - | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"ios":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` |
| pricing | - | `{"type":"open_source","sourceUrl":"https://typeorm.io","retrievedAt":"2026-08-14T21:40:11.352Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | - | open_source |
| pricing.price_level | - | free |
| pricing.transparent | - | yes |
| release.cadence_days | 26 | 31 |
| release.history | `[{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.79","date":"2026-05-16T20:40:41Z","type":"stable","version":"2.1.79"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.72","date":"2026-03-06T07:16:11Z","type":"stable","version":"2.1.72"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.66","date":"2025-02-06T12:26:12Z","type":"stable","version":"2.1.66"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.44","date":"2024-04-12T12:42:44Z","type":"stable","version":"2.1.44"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.42","date":"2024-04-12T10:23:44Z","type":"stable","version":"2.1.42"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.37","date":"2024-03-14T15:17:02Z","type":"stable","version":"2.1.37"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.35","date":"2024-03-06T15:08:18Z","type":"stable","version":"2.1.35"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.28","date":"2024-01-02T16:13:39Z","type":"stable","version":"2.1.28"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.24","date":"2023-11-23T09:30:26Z","type":"stable","version":"2.1.24"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.21","date":"2023-11-11T09:07:29Z","type":"stable","version":"2.1.21"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.15","date":"2023-10-19T12:52:19Z","type":"stable","version":"2.1.15"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.11","date":"2023-10-13T06:26:06Z","type":"stable","version":"2.1.11"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.4","date":"2023-09-13T20:52:44Z","type":"stable","version":"2.1.4"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.1.1","date":"2023-09-12T15:17:35Z","type":"stable","version":"2.1.1"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.0.151","date":"2023-08-18T09:51:46Z","type":"stable","version":"2.0.151"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.0.143","date":"2023-06-20T12:43:19Z","type":"stable","version":"2.0.143"},{"url":"https://github.com/DapperLib/Dapper/releases/tag/2.0.138","date":"2023-06-09T15:32:01Z","type":"stable","version":"2.0.138"}]` | `[{"url":"https://github.com/typeorm/typeorm/releases/tag/1.1.0","date":"2026-07-13T19:07:27Z","type":"stable","version":"1.1.0"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.31","date":"2026-07-13T19:24:24Z","type":"stable","version":"0.3.31"},{"url":"https://github.com/typeorm/typeorm/releases/tag/1.0.0","date":"2026-05-19T11:14:09Z","type":"stable","version":"1.0.0"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.30","date":"2026-05-18T20:53:21Z","type":"stable","version":"0.3.30"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.29","date":"2026-05-08T13:12:25Z","type":"stable","version":"0.3.29"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.28","date":"2025-12-03T08:31:15Z","type":"stable","version":"0.3.28"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.27","date":"2025-09-19T09:47:59Z","type":"stable","version":"0.3.27"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.26","date":"2025-08-18T16:34:16Z","type":"stable","version":"0.3.26"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.25","date":"2025-06-19T16:09:18Z","type":"stable","version":"0.3.25"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.24","date":"2025-05-14T18:05:22Z","type":"stable","version":"0.3.24"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.23","date":"2025-05-07T10:04:52Z","type":"stable","version":"0.3.23"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.22","date":"2025-04-03T09:01:46Z","type":"stable","version":"0.3.22"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.21","date":"2025-03-03T08:10:24Z","type":"stable","version":"0.3.21"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.20","date":"2024-01-26T11:22:33Z","type":"stable","version":"0.3.20"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.19","date":"2024-01-03T14:44:45Z","type":"stable","version":"0.3.19"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.18","date":"2024-01-03T12:43:14Z","type":"stable","version":"0.3.18"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.17","date":"2023-06-20T19:48:38Z","type":"stable","version":"0.3.17"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.16","date":"2023-05-09T18:59:14Z","type":"stable","version":"0.3.16"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.15","date":"2023-04-15T13:30:15Z","type":"stable","version":"0.3.15"},{"url":"https://github.com/typeorm/typeorm/releases/tag/0.3.14","date":"2023-04-09T06:40:29Z","type":"stable","version":"0.3.14"}]` |
| reliability.status_page | yes | yes |
| security.scorecard | - | 7.2 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nuget&package_name=dapper&per_page=100","last_12m":0,"max_severity":null}` | `{"count":6,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=typeorm&per_page=100","last_12m":3,"max_severity":"CRITICAL"}` |

## Capabilities (ORM & Database Tools)

| Capability | Dapper | TypeORM |
|---|:--:|:--:|
| **Core** |  |  |
| Type-safe queries | - | ✓ |
| Schema migrations | - | ✓ |
| Relations / joins API | ✓ | ✓ |
| Languages | C# / .NET (all TFMs) | TypeScript, JavaScript (ES2023) |
| **Modelling** |  |  |
| Schema-first modelling | - | ✓ |
| **Flexibility** |  |  |
| Raw SQL escape hatch | ✓ | ✓ |
| **Portability** |  |  |
| Multiple database backends | ✓ | ✓ |
| **Ops** |  |  |
| Connection pooling | - | ✓ |
| **DX** |  |  |
| Data browser / studio | - | - |

*Source: Vioscale. Generated 2026-09-01T14:45:47.692Z. "-" = undocumented, not absent.*