Similar libraries

[typerandom]

We should keep a list of similar libraries for Go that does validation. These should also be added to the competitor benchmark.

[typerandom]

Some similar libraries... These should be ranked according to popularity and feature compatibility.

https://github.com/go-validator/validator
https://github.com/bluesuncorp/validator
https://github.com/wirepair/validator
https://github.com/dchest/validator
https://github.com/asaskevich/govalidator
https://github.com/pengux/check
https://github.com/mccoyst/validate