# Flyway vs Kysely

**Leader by vioscaleAI score:** Kysely

| Attribute | Flyway | Kysely |
|---|---|---|
| **vioscaleAI score** | 53.9 (50% (medium)) | 73.6 (78% (high)) |
| activity.commits_last_30d | 5 | 59 |
| adoption.dependent_repos | 30,708 | 1,155 |
| adoption.github_stars | 10,142 | 14,269 |
| adoption.package_downloads_weekly | - | 20,754,444 |
| content.faq | `[{"answer":"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 It is indexed under ORM & Database Tools.","source":"https://flywaydb.org","question":"What is Flyway?","confidence":0.6},{"answer":"Flyway is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Paid editions are also offered: Enterprise, priced on request. Pricing changes often, so verify at source before relying on it.","source":"https://flywaydb.org","question":"Is Flyway free to use?","confidence":0.6},{"answer":"Flyway supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://flywaydb.org","question":"What platforms does Flyway support?","confidence":0.6},{"answer":"Yes. Flyway can be deployed on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://flywaydb.org","question":"Can Flyway be self-hosted?","confidence":0.6},{"answer":"We have confirmed 12 integrations for Flyway, including Maven, Gradle, SBT, Ant, Spring Boot, Grails, Play! and DropWizard, plus 4 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://flywaydb.org","question":"What does Flyway integrate with?","confidence":0.6},{"answer":"Yes. Flyway is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/flyway/flyway","question":"Is Flyway open source?","confidence":0.95},{"answer":"Flyway is available worldwide. The vendor is headquartered in the United Kingdom.","source":"https://flywaydb.org","question":"Where is Flyway available?","confidence":0.75}]` | `[{"answer":"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. It is indexed under ORM & Database Tools.","source":"https://kysely.dev","question":"What is Kysely?","confidence":0.6},{"answer":"Kysely is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://kysely.dev","question":"Is Kysely free to use?","confidence":0.6},{"answer":"Kysely supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://kysely.dev","question":"What platforms does Kysely support?","confidence":0.6},{"answer":"Yes. Kysely can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://kysely.dev","question":"Can Kysely be self-hosted?","confidence":0.6},{"answer":"We have confirmed 20 integrations for Kysely, including Supabase, Cursor, Windsurf, GitHub Copilot, ChatGPT, Claude, AirTrail and AWS Blocks, plus 12 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://kysely.dev","question":"What does Kysely integrate with?","confidence":0.6},{"answer":"Yes. Kysely is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/kysely-org/kysely","question":"Is Kysely open source?","confidence":0.99}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A database migration tool that applies version-controlled schema changes to database instances using SQL. Supports 60+ database platforms and has been maintained by Redgate since 2010. | 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":true,"studio_gui":false,"schema_first":true,"type_safe_queries":true,"connection_pooling":false}` |
| integrations.count | 1 | 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"},{"name":"PostgreSQL","category":"database"},{"name":"MySQL","category":"database"},{"name":"SQLite","category":"database"},{"name":"Microsoft SQL Server","category":"database"}]` |
| 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}` | `{"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 | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | no | yes |
| release.cadence_days | 8 | 10 |
| release.history | `[{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.10.0","date":"2026-10-08T09:35:38Z","type":"stable","version":"flyway-13.10.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.9.0","date":"2026-10-01T12:14:06Z","type":"stable","version":"flyway-13.9.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.8.1","date":"2026-09-29T09:39:08Z","type":"stable","version":"flyway-13.8.1"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.8.0","date":"2026-09-24T09:23:17Z","type":"stable","version":"flyway-13.8.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.7.0","date":"2026-09-15T09:58:48Z","type":"stable","version":"flyway-13.7.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.6.0","date":"2026-09-10T09:37:08Z","type":"stable","version":"flyway-13.6.0"},{"url":"https://github.com/flyway/flyway/releases/tag/flyway-13.5.0","date":"2026-09-03T09:44:59Z","type":"stable","version":"flyway-13.5.0"},{"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/kysely-org/kysely/releases/tag/v0.29.6","date":"2026-09-16T01:06:58Z","type":"stable","version":"v0.29.6"},{"url":"https://github.com/kysely-org/kysely/releases/tag/v0.30.0-beta.2","date":"2026-09-14T01:34:36Z","type":"prerelease","version":"v0.30.0-beta.2"},{"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"}]` |
| security.scorecard | 4.8 | 7.2 |
| 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: vioscaleAI. Generated 2026-10-16T20:13:24.859Z. "-" = undocumented, not absent.*