Comparison

Flyway vs Kysely

On the evidence we track, Kysely leads this comparison with a composite score of 70/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Flyway full profile →Kysely full profile →

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Flyway58

★Kysely70

Attribute comparison across 2 tools
Attribute	Flyway	KyselyLeader
Vioscale score	58 / 100medium · 54%	70 / 100high · 79%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	open_source
Price levelpricing.price_level	free	free
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	13	21
Security
Scorecardsecurity.scorecard	4.7	7.3
Vulnerabilitiessecurity.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	Count: 4 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=kysely&per_page=100 · Last 12m: 4 · Max severity: HIGH
Adoption
Dependent reposadoption.dependent_repos	30,708	1,155
Github starsadoption.github_stars	10,029	14,168
Package downloads weeklyadoption.package_downloads_weekly	-	14,615,271
Activity
Commits last 30dactivity.commits_last_30d	4	25
Release
Cadence daysrelease.cadence_days	8	10
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	Apache-2.0	MIT
Language
Primarylanguage.primary	Java	TypeScript
Market
Availabilitymarket.availability	Available worldwide · HQ GB	-

Score

Vioscale score

Flyway58 / 100medium · 54%

Kysely70 / 100high · 79%

Pricing

Free tier

Flyway✓

Kysely✓

Model

Flywaycommercial

Kyselyopen_source

Price level

Flywayfree

Kyselyfree

Transparent

Flyway✗

Kysely✓

Integrations

Count

Flyway13

Kysely21

Security

Scorecard

Flyway4.7

Kysely7.3

Vulnerabilities

FlywayCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.flywaydb%3Aflyway-core&per_page=100 · Last 12m: 0

KyselyCount: 4 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=kysely&per_page=100 · Last 12m: 4 · Max severity: HIGH

Adoption

Dependent repos

Flyway30,708

Kysely1,155

Github stars

Flyway10,029

Kysely14,168

Package downloads weekly

Flyway–

Kysely14,615,271

Activity

Commits last 30d

Flyway4

Kysely25

Release

Cadence days

Flyway8

Kysely10

History

Flyway20 items

Kysely20 items

License

Spdx

FlywayApache-2.0

KyselyMIT

Language

Primary

FlywayJava

KyselyTypeScript

Market

Availability

FlywayAvailable worldwide · HQ GB

Kysely–

Capabilities

Feature-by-feature on the axes that matter for orm & database tools. “-” means undocumented, not absent.

Capability comparison for 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	✓	✗

Core

Type-safe queries

Flyway-

Kysely✓

Schema migrations

Flyway✓

Kysely✗

Relations / joins API

Flyway-

Kysely✓

Languages

FlywayJava; Maven/Gradle plugins; integrations for multiple build frameworks

KyselyTypeScript, JavaScript (Node, Deno, Bun, Cloudflare Workers, browsers)

Modelling

Schema-first modelling

Flyway✓

Kysely✓

Flexibility

Raw SQL escape hatch

Flyway✓

Kysely✓

Portability

Multiple database backends

Flyway✓

Kysely✓

Ops

Connection pooling

Flyway-

Kysely✗

Data browser / studio

Flyway✓

Kysely✗

What each one is

The product in its own terms, so the numbers below have context.

Flyway

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

Independently observed

Kysely

Leader

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Flyway

freemiumFree tier

Free open-source Community edition; Enterprise edition available

CommunityFree
EnterpriseContact sales

as of 2026-08-14verify ↗

Kysely

Leader

Open sourceFree tier

Completely free and open source (MIT license)

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Flyway	Kysely
WebPlatforms	✗	✓
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✓	✗

Platforms

Web

Flyway✗

Kysely✓

macOS

Flyway✓

Kysely✗

Windows

Flyway✓

Kysely✗

Linux

Flyway✓

Kysely✗

CLI

Flyway✓

Kysely✓

Deployment

Cloud / SaaS

Flyway✗

Kysely✓

Self-hosted

Flyway✓

Kysely✓

On-premise

Flyway✓

Kysely✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Flyway

12 total

Maven
Gradle
SBT
Ant
Spring Boot
Grails
Play!
DropWizard
Grunt
Griffon
Ninja
SQL Fluff

Independently observed

Kysely

Leader

21 total

Supabase
Cursor
Windsurf
GitHub Copilot
ChatGPT
Claude
Claude Code
AirTrail
AWS Blocks
Conar
EmbedPDF
Hot Updater
inlang
Notesnook
OpenClaw
Reflect
Sink
Stacks
StudioCMS
Tunarr
ZenStack

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.