The most powerful data validation library for JS
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Nov 19, 2025 - JavaScript
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schema
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Build production-ready applications in TypeScript
javascript cli platform typescript schema clustering dependency-injection concurrency error-handling workflows effect observability opentelemetry
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Feb 21, 2026 - TypeScript
🔮 Graphile's Crystal Monorepo; home to Grafast, PostGraphile, pg-introspection, pg-sql2 and much more!
nodejs api graphql http postgres koa express node typescript schema postgresql graphql-js instant pgsql pg koa2 postgraphql graphql-api graphile automatic-api
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Feb 20, 2026 - TypeScript
A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.
react android java graphql angular typescript schema csharp code-generator graphql-schema codegen resolvers the-guild
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Feb 22, 2026 - TypeScript
A database migration tool. Supports SQL migrations and Go functions.
mysql go golang postgres schema sql database migrations sqlite postgresql migration database-migrations
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Feb 21, 2026 - Go
The modular and type safe schema library for validating structural data 🤖
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Feb 22, 2026 - TypeScript
Create GraphQL schema and resolvers with TypeScript, using classes and decorators!
api graphql controllers typescript schema decorators graphql-schema gql graphql-js hacktoberfest resolvers
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Feb 20, 2026 - TypeScript
A lightweight library for converting complex objects to and from simple Python datatypes.
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Feb 4, 2026 - Python
A simple and composable way to validate data in JavaScript (and TypeScript).
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Oct 1, 2024 - TypeScript
PostgreSQL zero-downtime migrations made easy
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Feb 17, 2026 - Go
An implementation of the JSON Schema specification for Python
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Feb 19, 2026 - Python
Mimesis is a fast Python library for generating fake data in multiple languages.
python testing mock data factory fixtures schema generator fake pandas datascience factory-boy json-generator dummy dataframe relational synthetic-data mimesis syntetic polars
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Jan 19, 2026 - Python
A light-weight, flexible, and expressive statistical data testing library
testing schema validation data-validation pandas-dataframe assertions pandas testing-tools data-processing dataframes data-cleaning hypothesis-testing data-verification pandas-validation data-check data-assertions dataframe-schema pandas-validator
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Feb 19, 2026 - Python
Versioned database views for Rails
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Nov 14, 2025 - Ruby
A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML
python yaml toml serialization json schema validation json-schema serde deserialization msgpack messagepack jsonschema openapi3
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Nov 27, 2025 - Python
Database documentation built easy
java documentation schema database reverse-engineering schemaspy data-dictionary database-schemas database-diagrams er-diagram entity-relationship-diagram database-documentation
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Feb 22, 2026 - HTML
A standard interface for TypeScript schema validation libraries
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Feb 21, 2026 - TypeScript
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Feb 22, 2026 - Lua
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