Title: Diadem One – CRM, Invoicing & Email Marketing
Author: diademwebmaster
Published: <strong>September 8, 2026</strong>
Last modified: September 10, 2026

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![](https://ps.w.org/diadem-one/assets/banner-772x250.png?rev=3686217)

![](https://ps.w.org/diadem-one/assets/icon-256x256.png?rev=3686217)

# 󠀁[Diadem One – CRM, Invoicing & Email Marketing](https://vec.wordpress.org/plugins/diadem-one/)󠁿

 By [diademwebmaster](https://profiles.wordpress.org/diademwebmaster/)

[Download](https://downloads.wordpress.org/plugin/diadem-one.0.9.52.zip)

 * [Details](https://vec.wordpress.org/plugins/diadem-one/#description)
 * [Reviews](https://vec.wordpress.org/plugins/diadem-one/#reviews)
 *  [Installation](https://vec.wordpress.org/plugins/diadem-one/#installation)
 * [Development](https://vec.wordpress.org/plugins/diadem-one/#developers)
 * [Advanced View](https://vec.wordpress.org/plugins/diadem-one/advanced/)

 [Support](https://wordpress.org/support/plugin/diadem-one/)

## Statistics

#### Active versions

#### Downloads Per Day

#### Downloads history

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## Advanced Options

This section is intended for advanced users and developers only. They are presented
here for testing and educational purposes.

#### Previous Versions

Previous versions of plugins may not be secure or stable. They are not recommended
for use on production websites.

Please select a specific version to download.

 [Download](https://downloads.wordpress.org/plugin/diadem-one.zip)

## Meta

 *  Version **0.9.52**
 *  Last updated **3 weeks ago**
 *  Active installations **Fewer than 10**
 *  WordPress version ** 6.2 or higher **
 *  Tested up to **7.1.2**
 *  PHP version ** 8.0 or higher **
 *  Language
 * [English (US)](https://wordpress.org/plugins/diadem-one/)
 * Tags
 * [contacts](https://vec.wordpress.org/plugins/tags/contacts/)[crm](https://vec.wordpress.org/plugins/tags/crm/)
   [Email Marketing](https://vec.wordpress.org/plugins/tags/email-marketing/)[invoicing](https://vec.wordpress.org/plugins/tags/invoicing/)
   [woocommerce](https://vec.wordpress.org/plugins/tags/woocommerce/)

## Ratings

No reviews have been submitted yet.

[Your review](https://wordpress.org/support/plugin/diadem-one/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/diadem-one/reviews/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/diadem-one/)

## Contributors

 *   [ diademwebmaster ](https://profiles.wordpress.org/diademwebmaster/)