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Helmsman is a Home-Assistant companion app for Sailfish OS. A helmsman is kind of like the captain's assistant, so living on a ship, home assistant => Helmsman. (Quartermaster of course is the perfect nautical replacement, but that name's taken)

Talefish is an open source directory based audio book player. 

​Directory based?

One of the main goals of Talefish is to provide a place to listen to your audio books separated from the system media library. Be sure to check out the application options by using the main page pulley menu. 
Some of the current features are:

This app is intended for Dutch users

Welkweer is a Dutch app, providing weather info for the Netherlands. The info is mainly from buienradar.nl, but also from knmi.nl.

It currently supports:

Imira mirrors the phone screen and audio to a Miracast sink - a TV or an HDMI dongle - over Wi-Fi Direct. No app on the TV, no cables, no network: the phone talks to the sink directly. As far as I know this is the first working Wi-Fi Display source for Sailfish OS. It's still very experimental.

Manage your airpods on your sfos device

https://github.com/MrCyjaneK/sfos_airpods

Native XMPP client for Sailfish OS.

Client for subsonic music server for sailfish os.

Sailwave is a native interface for browsing and listening to radio stations streams from the community database radio-browser.info

 Emojinal Support is a tiny emoji app for Sailfish OS.

Natywny klient meteogramów serwisu meteo.pl dla systemu Sailfish OS.

Pozwala pobierać, przeglądać i lokalnie zapisywać (cache) prognozy numeryczne ICM UM 4 km z portalu old.meteo.pl ICM UW.

A native meteogram client for the meteo.pl website, designed for Sailfish OS.

It allows you to download, view and cache 4 km ICM UM numerical forecasts from the old.meteo.pl ICM UW portal.