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Alternatives · Schema & validation

Alternatives to jakarta.validation:jakarta.validation-api on Maven

For validating untrusted input and shaping data. Below are packages that fill the same role — on Maven, and across other ecosystems.

Cross-language equivalents
npm· JavaScript
zodv4.4.3
npm

TypeScript-first schema declaration and validation library with static type inference

MaintenanceHealthy
PopularityUnknown
SecurityClean
DepsZero deps
Maintained. Maintained, actively maintained.
yupv1.7.1
npm

Dead simple Object schema validation

MaintenanceAging
PopularityUnknown
SecurityClean
DepsLean
Aging — last published 8 months ago — check before adopting.
joiv18.2.1
npm

Object schema validation

MaintenanceHealthy
PopularityUnknown
SecurityClean
DepsModerate
Maintained. Maintained, actively maintained.
PyPI· Python
pydanticv2.13.4
PyPI

Data validation using Python type hints

MaintenanceHealthy
PopularityTop 1%
SecurityClean
DepsModerate
Safe default. Widely trusted across the ecosystem, actively maintained.
crates.io· Rust
serdev1.0.228
crates.io

A generic serialization/deserialization framework

MaintenanceAging
PopularityTop 1%
SecurityClean
DepsZero deps
Aging — last published 8 months ago — check before adopting.
validatorv0.20.0
crates.io

Common validation functions (email, url, length, ...) and trait - to be used with `validator_derive`

MaintenanceAging
PopularityTop 1%
SecurityClean
DepsZero deps
Aging — last published over a year ago — check before adopting.
RubyGems· Ruby
dry-validationv1.11.1
RubyGems

Validation library

MaintenanceAging
PopularityWidely used
SecurityClean
DepsZero deps
Aging — last published over a year ago — check before adopting.
Go· Go
github.com/go-playground/validator/v10vv10.30.3
Go

No description provided.

MaintenanceHealthy
PopularityUnknown
SecurityClean
DepsZero deps
Maintained. Maintained, actively maintained.
NuGet· .NET
fluentvalidationv12.1.1
NuGet

No description provided.

MaintenanceHealthy
PopularityUnknown
SecurityClean
DepsZero deps
Maintained. Maintained, actively maintained.

These suggestions come from a hand-curated concept map of canonical packages per role. They’re intentionally narrow — only widely-adopted packages in each category. Phase 5 will add AI-generated alternatives.