Compare projects
Project comparisons allow you to view any selection of projects side by side just like they're shown on regular categories or in search results. You can try out an example or start yourself by adding a library to the comparison via the input below. You can also easily share your current comparison with others by sending the URL of the current page.
0.0
Ernr builds on the power of Rails 3 validations.
It lets you use validations to identify situations which are warnings rather than errors.
It also lets you define a callback on the model which is executed after save if there are any warnings.
2020
2021
2022
2023
2024
2025