Add documentation page on other platforms

_documentation/general/other-platforms.md

@@ -0,0 +1,11 @@
+---
+title: documentation.categories.general.other-platforms
+layout: doc
+level: "2"
+group: "general"
+icon: "fa-solid fa-apple-alt"
+---
+
+# {% t {{ page.title }} %}
+
+{% tf documentation/{{ page.group }}/{{ page.slug }}.md %}

_i18n/en.yml

@@ -142,6 +142,7 @@ documentation:
       proxy: "Leading traffic through a proxy or Tor network"
       episode-deletion: "Deletion of episodes"
       f-droid: "Updates on F-Droid"
+      other-platforms: "AntennaPod for Windows, iOS and the Linux desktop"
     playback:
       title: "Playback"
       intro: "Below, you can find topics related to playback."

_i18n/en/documentation/general/other-platforms.md

@@ -0,0 +1,12 @@
+However attractive the title may sound, AntennaPod is not and will not be available on Windows, iOS or the Linux desktop. The app is made by a small team of volunteers, and making the app for these other platforms would be a lot of work.
+
+There are (open source) alternatives, however, which we would like to point you to:
+App/Application|Windows|iOS|Linux
+---|---|---|---
+[Kasts](https://apps.kde.org/kasts/)|No|No|Yes
+[Vocal](https://vocalproject.net/)|No|No|Yes
+[gPodder](https://gpodder.github.io/)|Yes|Yes|Yes
+[Pocket Casts](https://pocketcasts.com/)|No|Yes|No
+[Podverse](https://podverse.fm/about)|No|Yes|No
+
+Do you have a recommendation of an open source podcast app for these platforms? [Let us know on the forum!](https://forum.antennapod.org)