Open source
Valibot
Modular TypeScript schema library for validating unknown data
ORMs and ValidationModular schema validation
Alternatives to Ajv
12 tools like Ajv, chosen by what they do. About Ajv
Open source
ArkType
TypeScript-style validators that check data at runtime
ORMs and ValidationTypeScript-native validation
Freemium
Prisma
TypeScript ORM with a managed Postgres database and app hosting
ORMs and ValidationNext-gen Node and TS ORM
Open source
Kysely
Type-safe SQL query builder for TypeScript with zero dependencies
ORMs and ValidationType-safe SQL builder
Open source
Drizzle ORM
Lightweight TypeScript ORM with SQL-like queries and type safety
ORMs and ValidationLightweight TypeScript ORM
Open source
GORM
Developer-friendly Go ORM with associations, hooks and migrations
ORMs and ValidationDeveloper-friendly Go ORM
Open source
TypeORM
TypeScript and JavaScript ORM for many SQL and NoSQL databases
ORMs and ValidationORM for TypeScript
Open source
Sequelize
Node.js ORM for SQL databases with models and associations
ORMs and ValidationPromise-based Node ORM
Open source
SQLAlchemy
Python SQL toolkit and ORM with full SQL power and flexibility
ORMs and ValidationPython SQL toolkit and ORM
Open source
Fastify
Fast Node.js web framework with schema validation and plugins
Backend FrameworksFast low-overhead Node server
Popular
JSON Schema
Standard vocabulary for describing and validating JSON data
Design and SDKsStandard for JSON validation
Open source
Joi
Schema description and validation library for JavaScript objects
Design and SDKsSchema validation for JS