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24 repositories · updated 2026-11-06
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1hapijs / joiThe most powerful data validation library for JSJavaScriptLicense not declaredInsufficient rank history21,164
2Effect-TS / effectAuthor description: Build production-ready applications in TypeScriptTypeScriptMIT · PermissiveInsufficient rank history17,496
3graphile / crystal🔮 Graphile's Crystal Monorepo; home to Grafast, PostGraphile, pg-introspection, pg-sql2 and much more!TypeScriptMIT · PermissiveInsufficient rank history12,934
4pressly / gooseA database migration tool. Supports SQL migrations and Go functions.GoLicense not declaredInsufficient rank history11,661
5dotansimha / graphql-code-generatorA tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.TypeScriptMIT · PermissiveInsufficient rank history11,264
6open-circle / valibotThe modular and type safe schema library for validating structural data 🤖TypeScriptMIT · PermissiveInsufficient rank history9,053
7MichalLytek / type-graphqlCreate GraphQL schema and resolvers with TypeScript, using classes and decorators!TypeScriptMIT · PermissiveInsufficient rank history8,091
8marshmallow-code / marshmallowA lightweight library for converting complex objects to and from simple Python datatypes.PythonMIT · PermissiveInsufficient rank history7,243
9ianstormtaylor / superstructA simple and composable way to validate data in JavaScript (and TypeScript).TypeScriptMIT · PermissiveInsufficient rank history7,126
10xataio / pgrollPostgreSQL zero-downtime migrations made easyGoApache-2.0 · PermissiveInsufficient rank history6,615
11python-jsonschema / jsonschemaAn implementation of the JSON Schema specification for PythonPythonMIT · PermissiveInsufficient rank history4,993
12dmno-dev / varlockAI-safe .env files: Schemas for agents, Secrets for humans.TypeScriptMIT · PermissiveInsufficient rank history4,911
13lk-geimfari / mimesisMimesis is a Python library for generating fake but realistic data in multiple languages and locales.PythonMIT · PermissiveInsufficient rank history4,864
14unionai-oss / panderaA light-weight, flexible, and expressive statistical data testing libraryPythonMIT · PermissiveInsufficient rank history4,518
15msgspec / msgspecA fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOMLPythonBSD-3-Clause · PermissiveInsufficient rank history4,210
16schemaspy / schemaspyDatabase documentation built easyHTMLLGPL-3.0 · Share derivative sourceInsufficient rank history3,736
17standard-schema / standard-schemaA standard interface for TypeScript schema validation librariesTypeScriptMIT · PermissiveInsufficient rank history3,666
18scenic-views / scenicVersioned database views for RailsRubyMIT · PermissiveInsufficient rank history3,628
20confluentinc / schema-registryConfluent Schema Registry for KafkaJavaLicense not declaredInsufficient rank history2,472
