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#validator

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

131 records
Tagged “validator”Ranked by health index
npm
94Exceptionalhealth index
NaturalIntelligence/fast-xml-parser
Validate XML, Parse XML and Build XML rapidly without C/C++ based libraries and no callback.
JavaScript★ 3,127↓ 337M/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
94Exceptionalhealth index
open-circle/valibot
The modular and type safe schema library for validating structural data 🤖
TypeScript · MDX★ 8,928↓ 65M/moAug 12, 2026
MITAug 12, 2026 · metrics 2.10.0
Packagist · PyPI
93Exceptionalhealth index
Respect/Validation
The most awesome validation engine ever created for PHP
PHP★ 6,028↓ 905.6K/moAug 28, 2026
MITAug 28, 2026 · metrics 2.10.0
npm · Maven
93Exceptionalhealth index
validator/validator
The Nu Html Checker (vnu)
Java★ 1,960↓ 460.6K/moJul 19, 2026
MITJul 19, 2026 · metrics 2.10.0
npm · Go
91Excellenthealth index
grafana/plugin-validator
Tool for validating Grafana community plugins
Go★ 40↓ 2,446/moJul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 2.10.0
npm · Go
90Excellenthealth index
samchon/typia
Super-fast/easy runtime validators and serializers via transformation
Go · TypeScript★ 5,878↓ 2.3M/moAug 28, 2026
MITAug 28, 2026 · metrics 2.10.0
npm
89Excellenthealth index
samchon/nestia
NestJS Helper + AI Chatbot Development
TypeScript · Go · MDX★ 2,173↓ 526.1K/moAug 1, 2026
MITAug 1, 2026 · metrics 2.10.0
npm
89Excellenthealth index
validatorjs/validator.js
String validation
JavaScript★ 23.7K↓ 103M/moAug 12, 2026
MITAug 12, 2026 · metrics 2.10.0
npm · Packagist · Go +1
88Excellenthealth index
razorpay/ifsc
:bank: IFSC Codes Repository
HTML★ 386↓ 11.6K/moJul 18, 2026
MITJul 18, 2026 · metrics 2.10.0
npm
88Excellenthealth index
readmeio/oas
Comprehensive tooling for working with OpenAPI definitions.
TypeScript★ 398↓ 14.1M/moAug 27, 2026
MITAug 27, 2026 · metrics 2.10.0
npm
87Excellenthealth index
TryGhost/gscan
Ghost theme scanner - checks for errors and feature support
JavaScript★ 84↓ 61.6K/moJul 18, 2026
MITJul 18, 2026 · metrics 2.10.0
npm
87Excellenthealth index
bpmn-io/element-templates-validator
Validate element templates based on JSON Schema.
JavaScript★ 5↓ 135.1K/moJul 20, 2026
MITJul 20, 2026 · metrics 2.10.0
PyPI · npm
87Excellenthealth index
daijro/camoufox
🦊 Anti-detect browser
C++ · Python · JavaScript★ 11.7K↓ 851.4K/moSep 6, 2026
MPL-2.0Sep 6, 2026 · metrics 2.10.0
npm
87Excellenthealth index
sourcemeta/jsonschema
The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines
Shell · C++★ 288↓ 149.5K/moJul 19, 2026
AGPL-3.0Jul 19, 2026 · metrics 2.10.0
npm
87Excellenthealth index
w3c/echidna
New publication workflow at W3C — main component
HTML · JavaScript★ 45↓ 24/moJul 25, 2026
MITJul 25, 2026 · metrics 2.10.0
npm
86Excellenthealth index
cdklabs/cdk-validator-cfnguard
No repository description published.
TypeScript★ 84↓ 50.7K/moAug 31, 2026
Apache-2.0Aug 31, 2026 · metrics 2.10.0
npm · PyPI
86Excellenthealth index
mohitagw15856/pm-claude-skills
1098 professional Agent Skills for Claude, ChatGPT, Gemini, Cursor & Codex — from PRDs and postmortems to appealing a disability benefit, building a go-bag, and settling into a new country. Plain-markdown, MIT, in Anthropic's official plugin directory. Free in-browser or 'npx pm-claude-skills add'.
HTML · JavaScript · Python★ 1,303↓ 14.3K/moAug 22, 2026
MITAug 22, 2026 · metrics 2.10.0
PyPI
83Excellenthealth index
RonnyPfannschmidt/prance
Resolving Swagger/OpenAPI 2.0 and 3.0 Parser
Python★ 262↓ 6.4M/moAug 27, 2026
Custom licenseAug 27, 2026 · metrics 2.10.0
npm
83Excellenthealth index
ajv-validator/ajv
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
TypeScript★ 14.8K↓ 1.4B/moAug 4, 2026
MITAug 4, 2026 · metrics 2.10.0
npm
83Excellenthealth index
cloydlau/json-editor-vue
Vue 2/3 isomorphic JSON editor, viewer, formatter and validator.
TypeScript★ 692↓ 218.4K/moJul 27, 2026
MITJul 27, 2026 · metrics 2.10.0
Packagist
83Excellenthealth index
ergebnis/json-schema-validator
📃 Provides a composer package with a JSON schema validator, building on top of justinrainbow/json-schema.
PHP★ 36↓ 1.4M/moJul 22, 2026
MITJul 22, 2026 · metrics 2.10.0
npm
83Excellenthealth index
foxhound87/mobx-react-form
Reactive MobX Form State Management
TypeScript★ 1,097↓ 49K/moAug 3, 2026
MITAug 3, 2026 · metrics 2.10.0
crates.io
83Excellenthealth index
greyblake/nutype
Rust newtype with guarantees 🇺🇦 🦀
Rust★ 1,768↓ 1.2M/moSep 6, 2026
MITSep 6, 2026 · metrics 2.10.0
Packagist
83Excellenthealth index
laminas/laminas-i18n-phone-number
Validate and format international phone numbers
PHP★ 5↓ 7,724/moJul 24, 2026
BSD-3-ClauseJul 24, 2026 · metrics 2.10.0
npm
81Excellenthealth index
ata-core/ata-validator
JSON Schema validation with first-class TypeScript. AOT-compile schemas to dependency-free ESM modules or validate at runtime, with type inference from your schemas. Pure JS by default, optional native accelerator. Draft 2020-12 + Draft 7, full $dynamicRef/$anchor, standard error format.
JavaScript · C++★ 346↓ 2,968/moJul 24, 2026
MITJul 24, 2026 · metrics 2.10.0
npm
80Excellenthealth index
typestack/class-validator
Decorator-based property validation for classes.
TypeScript★ 11.8K↓ 44.1M/moAug 12, 2026
MITAug 12, 2026 · metrics 2.10.0
Go · npm
78Goodhealth index
cohesivestack/valgo
Valgo is a type-safe, expressive, and extensible validator library for Golang. Supports localization and is built with generics.
Go★ 508Jul 19, 2026
MITJul 19, 2026 · metrics 2.10.0