MemberPress Quaderno Addon GPL Overview:
NOTE: This integration is available to members of our Pro plans. If you would like to upgrade to have access to this integration you can do so by clicking the Change Plan link on your account page here.
To calculate taxes in MemberPress, you can use Taxjar or upload custom tax rates as it is covered in our Taxes tutorial, but in order to automate this process, you can use powerful automation software called Quaderno with our Quaderno add-on that integrates Quaderno with MemberPress.
In this article, we go over how to set up and use Quaderno in MemberPress. We also cover some basic settings in Quaderno account but if you want to learn more, Quaderno has quite extensive documentation: https://support.quaderno.io/.
Install Quaderno Add-On
To install this add-on, navigate to WordPress Dashboard → MemberPress → Add-ons → find the add-on, and click the Install Add-on button. This will automatically download and install the add-on.
About MemberPress Quaderno
MemberPress Quaderno is a premium WordPress plugin developed by Caseproof, LLC. Integration with Quaderno service for managing taxes. It is distributed under the GPL v2 or later licence, which means you can install it on an unlimited number of websites — including websites you build and manage for your clients.
Compatibility & Requirements
MemberPress Quaderno requires WordPress 5.0 or later, and has been tested up to WordPress 6.7, and requires PHP 7.4 or higher. We verify every file before it goes live on our store, so you can install with complete confidence. Text domain: memberpress-quaderno. This listing reflects version , updated within 24 hours of the upstream release.
Understanding the GPL Licence
The General Public License (GPL) is the same licence under which WordPress itself is released. It guarantees your freedom as a user: install MemberPress Quaderno on unlimited websites, modify it for any project, and pass it on freely. There are no per-site fees, no activation locks, and no expiry dates. Our service simply ensures you receive a clean, tested copy at the lowest possible price.
Why Download from digitalgpl
- Latest version guaranteed – MemberPress Quaderno matches the most recent upstream release.
- Unlimited domain usage – Personal sites, client projects, and staging servers are all covered.
- Instant delivery, 24×7 – Your download link arrives immediately after payment, day or night.
- Verified before listing – Every file is tested for clean installation and conflict-free activation.
- Encrypted checkout – Payments are processed through 256-bit SSL secured gateways.
- No renewal fees – One payment covers you indefinitely. No subscriptions, no surprises.
Before You Download — Quick Answers
Will MemberPress Quaderno break my existing site?
MemberPress Quaderno has been tested up to WordPress 6.7 and PHP 7.4. We recommend always testing on a staging site before installing on live production.
I build sites for clients — is one purchase enough?
One purchase covers unlimited installations. The GPL v2 or later licence that MemberPress Quaderno is released under has no domain or site limits — neither does digitalgpl.
My host uses PHP 7.4 — any issues?
None at all. MemberPress Quaderno requires PHP 7.4 as a minimum version, so your hosting environment is perfectly compatible.
What if Caseproof, LLC releases an update next month?
Log into your digitalgpl account and re-download for free. We keep our files current within 24 hours of any upstream release.
Is it safe to buy a GPL plugin from a third-party store?
Yes. The GPL licence was created specifically to allow this. Any developer who releases software under GPL grants everyone the legal right to redistribute it. That is the foundation of the open-source WordPress community.
Official developer page: https://memberpress.com
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