# Flyway vs Kysely

**Leader by Vioscale score:** Kysely

| Attribute | Flyway | Kysely |
|---|---|---|
| **Vioscale score** | 57.7 (54% (medium)) | 70.3 (79% (high)) |
| activity.commits_last_30d | 4 | 25 |
| adoption.dependent_repos | 30,708 | 1,155 |
| adoption.github_stars | 10,029 | 14,168 |
| adoption.package_downloads_weekly | - | 14,615,271 |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | An industry-proven tool that simplifies database migration management using SQL scripts, supporting both command-line and graphical interfaces for organizing and deploying schema changes | A JavaScript and TypeScript SQL query builder that provides compile-time type safety and database schema validation. It works across multiple runtimes (Node, Deno, Bun, Cloudflare Workers, browsers) with zero runtime dependencies and emphasizes composable, type-safe queries over higher-level abstractions. |
| features.capabilities | `{"raw_sql":true,"multi_db":true,"languages":"Java; Maven/Gradle plugins; integrations for multiple build frameworks","migrations":true,"studio_gui":true,"schema_first":true}` | `{"raw_sql":true,"multi_db":true,"languages":"TypeScript, JavaScript (Node, Deno, Bun, Cloudflare Workers, browsers)","relations":true,"migrations":false,"studio_gui":false,"schema_first":true,"type_safe_queries":true,"connection_pooling":false}` |
| integrations.count | 13 | 21 |
| integrations.list | `[{"name":"Maven"},{"name":"Gradle"},{"name":"SBT"},{"name":"Ant"},{"name":"Spring Boot"},{"name":"Grails"},{"name":"Play!"},{"name":"DropWizard"},{"name":"Grunt"},{"name":"Griffon"},{"name":"Ninja"},{"name":"SQL Fluff"}]` | `[{"name":"Supabase"},{"name":"Cursor"},{"name":"Windsurf"},{"name":"GitHub Copilot"},{"name":"ChatGPT"},{"name":"Claude"},{"name":"Claude Code"},{"name":"AirTrail"},{"name":"AWS Blocks"},{"name":"Conar"},{"name":"EmbedPDF"},{"name":"Hot Updater"},{"name":"inlang"},{"name":"Notesnook"},{"name":"OpenClaw"},{"name":"Reflect"},{"name":"Sink"},{"name":"Stacks"},{"name":"StudioCMS"},{"name":"Tunarr"},{"name":"ZenStack"}]` |
| language.primary | Java | TypeScript |
| license.spdx | Apache-2.0 | MIT |
| market.availability | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"freemium","plans":[{"free":true,"name":"Community","description":"Open source database migrations tool for individual developers"},{"free":false,"name":"Enterprise","description":"Enterprise-grade solution with GUI and advanced database change management capabilities","contactSales":true}],"summary":"Free open-source Community edition; Enterprise edition available","freeTier":true,"sourceUrl":"https://flywaydb.org","retrievedAt":"2026-08-14T16:43:41.014Z"}` | `{"type":"open_source","summary":"Completely free and open source (MIT license)","freeTier":true,"sourceUrl":"https://kysely.dev","retrievedAt":"2026-08-14T08:37:15.404Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| pricing.transparent | no | yes |
| release.cadence_days | 8 | 10 |
| release.history | `[{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.4.0","date":"2026-08-26T09:33:11Z","type":"stable","version":"flyway-13.4.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.3.0","date":"2026-08-13T10:11:06Z","type":"stable","version":"flyway-13.3.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.2.0","date":"2026-08-06T12:28:43Z","type":"stable","version":"flyway-13.2.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.1.0","date":"2026-07-30T10:24:53Z","type":"stable","version":"flyway-13.1.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.0.0","date":"2026-07-20T10:06:53Z","type":"stable","version":"flyway-13.0.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.11.0","date":"2026-07-09T09:52:28Z","type":"stable","version":"flyway-12.11.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.10.0","date":"2026-06-30T09:40:08Z","type":"stable","version":"flyway-12.10.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.9.0","date":"2026-06-18T09:50:30Z","type":"stable","version":"flyway-12.9.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.8.1","date":"2026-06-05T10:18:27Z","type":"stable","version":"flyway-12.8.1"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.8.0","date":"2026-06-04T10:34:46Z","type":"stable","version":"flyway-12.8.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.7.0","date":"2026-05-29T10:16:56Z","type":"stable","version":"flyway-12.7.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.6.2","date":"2026-05-21T09:59:24Z","type":"stable","version":"flyway-12.6.2"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.6.1","date":"2026-05-12T10:25:44Z","type":"stable","version":"flyway-12.6.1"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.6.0","date":"2026-05-08T09:57:15Z","type":"stable","version":"flyway-12.6.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.5.0","date":"2026-04-27T10:36:12Z","type":"stable","version":"flyway-12.5.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.4.0","date":"2026-04-14T09:50:17Z","type":"stable","version":"flyway-12.4.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.3.0","date":"2026-03-31T13:52:07Z","type":"stable","version":"flyway-12.3.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.2.0","date":"2026-03-26T11:24:28Z","type":"stable","version":"flyway-12.2.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.1.1","date":"2026-03-17T15:26:22Z","type":"stable","version":"flyway-12.1.1"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-12.1.0","date":"2026-03-09T12:05:38Z","type":"stable","version":"flyway-12.1.0"}]` | `[{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.5","date":"2026-08-10T01:06:13Z","type":"stable","version":"v0.29.5"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.30.0-beta.1","date":"2026-07-26T17:34:07Z","type":"prerelease","version":"v0.30.0-beta.1"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.30.0-beta.0","date":"2026-07-25T12:45:33Z","type":"prerelease","version":"v0.30.0-beta.0"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.4","date":"2026-07-17T17:42:04Z","type":"stable","version":"v0.29.4"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.3","date":"2026-07-05T23:18:21Z","type":"stable","version":"v0.29.3"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.2","date":"2026-05-16T15:52:03Z","type":"stable","version":"v0.29.2"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.1","date":"2026-05-16T00:01:27Z","type":"stable","version":"v0.29.1"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.0","date":"2026-05-08T23:54:19Z","type":"stable","version":"v0.29.0"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.17","date":"2026-05-03T01:10:50Z","type":"stable","version":"v0.28.17"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.29.0-rc.0","date":"2026-04-24T20:13:08Z","type":"prerelease","version":"v0.29.0-rc.0"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.16","date":"2026-04-10T18:07:40Z","type":"stable","version":"v0.28.16"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.15","date":"2026-03-31T01:49:35Z","type":"stable","version":"v0.28.15"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.14","date":"2026-03-20T11:28:01Z","type":"stable","version":"v0.28.14"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.13","date":"2026-03-18T22:12:57Z","type":"stable","version":"v0.28.13"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.12","date":"2026-03-14T09:13:30Z","type":"stable","version":"v0.28.12"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.11","date":"2026-01-31T18:58:27Z","type":"stable","version":"v0.28.11"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.10","date":"2026-01-18T07:13:52Z","type":"stable","version":"v0.28.10"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.9","date":"2025-12-13T17:48:32Z","type":"stable","version":"v0.28.9"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.8","date":"2025-10-09T21:47:50Z","type":"stable","version":"v0.28.8"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.28.7","date":"2025-09-14T15:37:33Z","type":"stable","version":"v0.28.7"}]` |
| security.scorecard | 4.7 | 7.3 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.flywaydb%3Aflyway-core&per_page=100","last_12m":0,"max_severity":null}` | `{"count":4,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=kysely&per_page=100","last_12m":4,"max_severity":"HIGH"}` |

## Capabilities (ORM & Database Tools)

| Capability | Flyway | Kysely |
|---|:--:|:--:|
| **Core** |  |  |
| Type-safe queries | - | ✓ |
| Schema migrations | ✓ | ✗ |
| Relations / joins API | - | ✓ |
| Languages | Java; Maven/Gradle plugins; integrations for multiple build frameworks | TypeScript, JavaScript (Node, Deno, Bun, Cloudflare Workers, browsers) |
| **Modelling** |  |  |
| Schema-first modelling | ✓ | ✓ |
| **Flexibility** |  |  |
| Raw SQL escape hatch | ✓ | ✓ |
| **Portability** |  |  |
| Multiple database backends | ✓ | ✓ |
| **Ops** |  |  |
| Connection pooling | - | ✗ |
| **DX** |  |  |
| Data browser / studio | ✓ | ✗ |

*Source: Vioscale. Generated 2026-09-01T15:18:58.482Z. "-" = undocumented, not absent.*