TypeScript-first schema validation with static type inference
- Language
- TypeScript
- Licence
- MIT
- Stars
- 44k
- Latest
- v4.6.5
- Last push
- 2026-10-02
JavaScript schema validation
Declare schemas and validate data against them at runtime.
Changes in this category (RSS)
Side by side
| Tool | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|
| Zod | 44k | MIT | Open source | No | TypeScript | v4.6.5 | 2026-10-02 |
| Yup | 24k | MIT | Open source | No | TypeScript | v1.0.0 | 2026-10-05 |
| Joi | 21k | Other | Open source | No | JavaScript | v18.2.9 | 2026-09-11 |
| Ajv | 15k | MIT | Open source | No | TypeScript | v8.20.0 | 2026-09-06 |
| class-validator | 12k | MIT | Open source | No | TypeScript | v0.15.1 | 2026-03-25 |
| Valibot | 9k | MIT | Open source | No | TypeScript | v1.5.0 | 2026-10-06 |
| ArkType | 7.9k | MIT | Open source | No | TypeScript | @arktype/util@0.56.6 | 2026-10-06 |
7 tools
Dead simple Object schema validation
- Language
- TypeScript
- Licence
- MIT
- Stars
- 24k
- Latest
- v1.0.0
- Last push
- 2026-10-05
The most powerful data validation library for JS
- Language
- JavaScript
- Licence
- Other
- Stars
- 21k
- Latest
- v18.2.9
- Last push
- 2026-09-11
The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)
- Language
- TypeScript
- Licence
- MIT
- Stars
- 15k
- Latest
- v8.20.0
- Last push
- 2026-09-06
Decorator-based property validation for classes.
- Language
- TypeScript
- Licence
- MIT
- Stars
- 12k
- Latest
- v0.15.1
- Last push
- 2026-03-25
The modular and type safe schema library for validating structural data 🤖
- Language
- TypeScript
- Licence
- MIT
- Stars
- 9k
- Latest
- v1.5.0
- Last push
- 2026-10-06
TypeScript's 1:1 validator, optimized from editor to runtime
- Language
- TypeScript
- Licence
- MIT
- Stars
- 7.9k
- Latest
- @arktype/util@0.56.6
- Last push
- 2026-10-06