rolify VS CanCanCan

Compare rolify vs CanCanCan and see what are their differences.


Role management library with resource scoping (by RolifyCommunity)


The authorization Gem for Ruby on Rails. (by CanCanCommunity)
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rolify CanCanCan
2 19
3,143 5,514
0.2% 0.3%
0.0 1.8
7 months ago 5 days ago
Ruby Ruby
MIT License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of rolify. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-04-26.


Posts with mentions or reviews of CanCanCan. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-11-07.
  • A guide to Auth & Access Control in web apps 🔐
    8 projects | | 7 Nov 2023 (Ruby on Rails ABAC) Same like casl.js, but for Ruby on Rails! Casl.js was actually inspired and modeled by cancancan.
  • Authentication, Roles, and Authorization... oh my.
    6 projects | /r/rails | 26 Apr 2023
    For authorization, I'm going back and forth with Pundit and CanCanCan
  • Feature flags in Rails: How to roll out and manage your features like a pro
    2 projects | | 7 Apr 2023
    This code mounts the Flipper UI at the /flipper endpoint in your application. The RoleConstraint class is used to restrict access to the UI to users who have the manage role. You can customize this constraint to suit your specific needs. In this case, we're using the CanCanCan gem to gate specific routes to admin users. If you haven't worked with CanCanCan before, ignore the RoleConstraint portion.
  • How would you store roles with up to 64 permissions?
    2 projects | /r/rails | 9 Mar 2023
    Would you do : 1. a roles table with the name of the role and 64 booleans? 2. A roles table with one JSON field? (using rails json data type) 3. A roles table and a permissions table, similar do what is suggested in the cancancan developpers guide:
  • Protect your GraphQL data with resource_policy
    3 projects | | 20 Feb 2023
    Expressing authorization rules can be a bit challenging with the use of other authorization gems, such as pundit or cancancan. The resource_policy gem provides a more concise and expressive policy definition that uses a simple block-based syntax that makes it easy to understand and write authorization rules for each attribute.
  • Top 5 Ruby on Rails Gems
    5 projects | | 4 Jan 2023
  • Permissions (access control) in web apps
    7 projects | | 30 Nov 2022 (Ruby on Rails ABAC) Same like casl.js, but for Ruby on Rails! Casl.js was actually inspired and modeled by cancancan.
  • Web-app security risks demonstrated
    3 projects | | 1 Nov 2022
    In production code you would most likely use a library for access control, such as CanCanCan
  • YAGNI exceptions
    3 projects | /r/programming | 17 Oct 2022
    PS If you do mobile / web work (or something else with "detached" UI), I find that declarative access control rules are far superior to imperative ones, because they can be serialized and shipped over the wire. For example, backend running cancancan can be easily send the same rules to casl on the frontend, while if you used something like pundit to secure your backend, you either end up re-implementing it in the frontend, or sending ton of "canEdit" flags with every record.
  • Best practice for displaying info to different user roles?
    3 projects | /r/rails | 4 Oct 2022
    You can use a gem like cancancan ( )to manage authorization, and its helpers to show stuff based on what a user can do

What are some alternatives?

When comparing rolify and CanCanCan you can also consider the following projects:

Pundit - Minimal authorization through OO design and pure Ruby classes

Groupify - Add group and membership functionality to your Rails models

Action Policy - Authorization framework for Ruby/Rails applications

AccessGranted - Multi-role and whitelist based authorization gem for Rails (and not only Rails!)


Declarative Authorization - An unmaintained authorization plugin for Rails. Please fork to support current versions of Rails

banken - Simple and lightweight authorization library for Rails

oso - Oso is a batteries-included framework for building authorization in your application.