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Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private. • Send texts, voice messages, photos, videos, GIFs, and files for free. Signal uses your phone’s data connection, so you avoid SMS and MMS fees. • Call your friends with crystal-clear encrypted voice and video calls. Group calls supported for up to 50 people. • Stay connected with group chats up to 1,000 people. Control who can post and manage group members with admin permission settings. • Share image, text, and video Stories that disappear after 24 hours. Privacy settings keep you in charge of exactly who can see each Story. • Signal is built for your privacy. We know nothing about you or who you’re talking to. Our open source Signal Protocol means that we can’t read your messages or listen to your calls. Neither can anyone else. No back doors, no data collection, no compromises. • Signal is independent and not for profit; a different kind of tech from a different kind of organization. As a 501c3 nonprofit we are supported by your donations, not by advertisers or investors. • For support, questions, or more information please visit https://support.signal.org/ To check out our source code, visit https://github.com/signalapp Follow us on Twitter @signalapp and Instagram @signal_app

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@signalapp how about an app for Linux phones that doesn't assume previous iPhone/Android?? 🙏 #postmarketos
@joeld, you should post a suggestion at their Discourse instance. I'll support it, if you link it here.

@rokejulianlockhart
Not that they’d care, though.

Even understandable in this case, although them being systemically disinterested in cooperating with third-party client devs in any way (like refusing UnifiedPush) is a real problem.

Them not actively cracking down on third-party clients like WhatsApp does, is hardly worth praising – that’s just basic decency, really.

(WhisperFish exists though – it’s SailfishOS, rather than PostmarketOS though, but they are open to people doing a port.)
@joeld

> Even understandable in this case, although them being systemically disinterested in cooperating with third-party client devs in any way (like refusing UnifiedPush) is a real problem.

@curiousicae, you may consider what is cited at ≤ https://github.com/UnifiedPush/wishlist/issues/8#issuecomment-1343328837 to be useful for you.

> WhisperFish exists though – it’s SailfishOS, rather than PostmarketOS

Per https://wiki.postmarketos.org/index.php?title=Flatpak&oldid=70079#top:~:text=postmarketOS%20supports%20installing%20Flatpaks, https://github.com/flathub/org.signal.Signal/blob/cc986ac10d9645a9c7937a073ba58286e36fd629/README.md?plain=1#L12C1-L12C42:~:text=flatpak%20install%20flathub%20org%2Esignal%2ESignal may be of use to you.

Signal · Issue #8 · UnifiedPush/wishlist

An discussion is already here: https://community.signalusers.org/t/use-gcm-fcm-alternatives-for-notifications/10264

GitHub

@rokejulianlockhart
I know about Molly and MollySocket, including the fact that one needs to run the run their own 24/7 service for that kinda defeats the purpose. While adding support for UnifiedPush in the Signal service would be ~30 lines of code and massively simplify backgrounding on alternative mobile clients. My point here was about a social, not a technical problem.

I’m also on SailfishOS which has Whisperfish (nor does it really do Flatpak). I was just pointing out that if your hoping for a native client on PostmarketOS, helping porting Whisperfish is your best bet. Don’t hold your breath for Signal devs to do anything there, unless PMOS gets like 10+% global market share.

> if your hoping for a native client on PostmarketOS, helping porting Whisperfish is your best bet

@curiousicae, I'm not. My FP4 and FP5 can cope with WayDroid, and the AOSP client provides a sufficiently touch-optimised interface.

However, if performance were a consideration, or Flatpak's sandbox were too painful, I would merely install a native CI build — like https://github.com/signalapp/Signal-Desktop/issues/4530#issuecomment-3857041713 — in Distrobox, because GLibC isn't a ridiculous abstraction by comparison.