= WKD Support =
This page tracks the progress of WKD support and usability in different software projects, with links to any known public feature request discussions that may exist; feel free to add/update information about your favorite product.

<<TableOfContents(3)>>

== Software table ==
Note: This list is sorted alphabetically and not by quality of implementation.

==== Column key ====
* **Methods**: A filled star represents support for one of the two access methods described in the WKD draft standard, Direct and Advanced.
* **Usability**: Visualizes the completion percentage to the [[WKD/UsabilityOfWKD|WKD usability criteria]] are fulfilled.

----
|  {{cube.png}} **Name**  | {{phone_desktop.png}} **Platform** | {{tag.png}} **Type** | {{key.png}} **Methods** | {{usability.png}} **Usability** |
|  **[[https://gitlab.gnome.org/GNOME/balsa|Balsa]]**  | GNU/Linux | Desktop client | {{star_filled.png}}{{star_filled.png}} | //Not tested yet// |
|Claws Mail|GNU/Linux, Windows|Email client|{{star_filled.png}}{{star_filled.png}}|{{bar_4.png}}
|Evolution|GNU/Linux|Email client|{{star_empty.png}}{{star_empty.png}}|no test possible|
|Fair~Email|Android|Email client|{{star_filled.png}}{{star_filled.png}}|{{bar_0.png}}
|Geary|GNU/Linux|Email client|{{star_empty.png}}{{star_empty.png}}|no test possible|
|Gpg~OL (Outlook)|Windows|Plugin|{{star_filled.png}}{{star_filled.png}}|not tested yet|
|K~9Mail|Android|Email client|{{star_filled.png}}{{star_filled.png}}|{{bar_3.png}}
|KMail|GNU/Linux|Email client|{{star_filled.png}}{{star_filled.png}}|{{bar_5.png}}
|Mailvelope|Browser|Extension|{{star_filled.png}}{{star_filled.png}}|{{bar_3.png}}
|Thunderbird|Windows, GNU/Linux, Mac~OS|Email client|{{star_filled.png}}{{star_filled.png}}|{{bar_2.png}}

== Products notes ==
=== Balsa ===
* Balsa retrieves keys automatically via WKD since the [[https://gitlab.gnome.org/GNOME/balsa/-/releases/2.6.5|release of v2.6.5 on 2025-04-12]] (changes introduced in this [[https://gitlab.gnome.org/GNOME/balsa/-/merge_requests/65|merge request]])
** //[[https://gitlab.gnome.org/GNOME/balsa/-/issues/71|Original request]] for WKD implementation and automatic retrieval of keys//

=== Evolution ===
* WKD should be enabled by default (see [[https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/39|issue]])

=== FairEmail ===
* Currently working on WKD: No
** Requested automatic retrieval of pubkeys ([[https://forum.xda-developers.com/t/app-5-0-fairemail-fully-featured-open-source-privacy-oriented-email-app.3824168/post-86520535|Post in forum]])

=== Geary ===
* There is no hint in the settings of the application or the overview in the built-in manual that Geary does support encryption.

=== K9Mail ===
* Currently working on WKD: ?
** Requested automatic retrieval of pubkeys ([[https://github.com/k9mail/k-9/issues/5798|Issue]])

=== KMail ===
* [[https://bugs.kde.org/show_bug.cgi?id=452295|Requested]] a possibility to retrieve missing keys in the area where the signature is shown