Régis Grison

This plugin is made mainly for french associations, because of the french 1901 law. Feel free to contact me if you think your contry have the same kind of need and I should make some adjustments for it. 
This plugin allow to handle association members by customizing the registration fields to avoid needing an additional listing. It also allows to keep track of the subscriptions. 
Note: This plugin will make use of the ACF (Advanced Custom Fields) plugin and will also contact my server to check for news about add-ons.

Law 1901 association

Handles members of an association and their subscriptions. Mainly for french associations under 1901 law.

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smp7

This addon allows you to create a registration form for a particular membership level on any post or page.
You can use it to give access to various different membership levels for free.
You will be able to select a membership level from the dropdown and it will generate a registration form shortcode for that level.
After you install this addon, go to the “Form Shortcode” menu from the admin dashboard to use it. More details <a href="https://simple-membership-plugin.com/simple-membership-registration-form-shortcode-generator/" rel="nofollow ugc">here</a>
This addon requires the <a href="https://wordpress.org/plugins/simple-membership/" rel="ugc">Simple Membership Plugin</a>.

Simple Membership Form Shortcode

Simple Membership Addon to generate registration form shortcode for specific membership access level.

Law 1901 association vs Simple Membership Form Shortcode