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#Webxdc

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flo

DeltaChat ist "mehr", als ein reiner Messenger.

Er verfügt über einen "XStore", über den neben kleinen Spielen weitere In-Apps genutzt werden können, wie zB
- To-Do-Liste
- Shopping-Liste
- Zeiterfassung
- Rechnungs-Aufteilung
- ein Mastodon Archive Reader,
- kollaborative Dokumenten-Bearbeitung
- gemeinsam nutzbare Kalender
- Umfragen (nicht geheim)
- und viel, viel mehr.

Edit: Link ergänzt
Hintergrund zur Funktionsweise der "In-Chat-Apps":
delta.chat/en/2025-01-23-webxdc-no-billionaires

Super-genial, gerade für Familien und Gruppen!

DeltaChat ist demaßen niederschwellig, dass es fast schon lachhaft ist:
1. Installation,
2. Account mit automatisch E2E-verschlüsselter E-Mail-Adresse erstellen,
3. Chatten.

- keine Rufnummer nötig,
- keine Logindaten,
- minimale Metadaten,
- usw.

Genial einfach. Sicher. Schnell.

Testet ihn doch mal:
delta.chat

iceshrimp.de/notes/a64jzwetro6jswwi

#DeltaChat #Messenger #UnplugTrump #UnplugUSA #EuropeanAlternative #webxdc

delta.chatDelta Chat: Replacing billionairish platforms with ZIP files
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Delta Chat

oh, wow. We just heard from @darestiet that there is an upcoming #webxdc #hackday workshop called "Transcend the limits of your group chats: collaborative apps" ...

WHERE: townhall of city of #Moers

WHEN: Saturday afternoon 2pm.

We can't remember to have heart about this before so it's very short notice only, maybe still interesting for people around Dortmund/Duesseldorf

moers.de/veranstaltungen/hackd

www.moers.deHackday 2025: Überwinde die Grenzen Deiner Gruppenchats: Kollaborative dezentrale Apps mit JavaScript | Stadt Moers
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Delta Chat

@risottobias @ryanprior these general app store considerations and critiques are valid but have no meaning in the context of #webxdc apps. They are zip files, anyone can put them into a chat. Anyone can curate/maintain their own list of interesting zip files. webxdc.org/apps is just a community collection. Users don't need to go there to get or use an app. Apps also don't get updated in-place. Once posted, they stay exactly the same.

webxdc.orgwebxdc apps
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Delta Chat

@Ketakater @ryanprior @risottobias apps like checklist or "split bill" are less than 100KB.

The Pixel app is 241 lines of Javascript without any dependency: 3900 bytes including an icon. codeberg.org/webxdc/pixel/src/

#webxdc apps are very very minimal and all come with inspectable source code. There are no http requests at all. So it's not even that hard to verify there are no side channel attempts in most existing appa. An app literally is a zip-file btw, see also delta.chat/en/2025-01-23-webxd

Summary card of repository webxdc/pixel
Codeberg.orgpixel/script.js at mainpixel - Pixel editor
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Delta Chat

Dear fans of messenger comparison sports,

How does it factor in that on #deltachat there are many apps that can be used in a chat without requiring a login or even a privacy policy ... And the apps all work like cryptpad but automatically and without requiring any server side hosting?

Editing documents and checklists and calendars are all safely end-to-end encrypted without a server and anyone can write new #webxdc apps permission free.

Which other cross-platform messenger offers this?

24 webxdc app logos from games editors and calendars to checklists A default available list of apps https://webxdc.org/apps
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Delta Chat

Another #deltachat release highlight that we didn't tell about yet: De-duplication of attachments and media files. De-duplication means that if you share a larger file to multiple chats, it will only ever exist once in each sending and receiving device's storage.

Same for #webxdc apps -- so if you use the 650KB big "v86emu" app running 32-bit ISO images, it will also only exist once in storage, even if each instance in a chat creates its own realtime LAN. Mini-tutorial chaos.social/@delta/1141616261

app-selector in Delta Chat with "v86emu" highlighted. also an input field is visible where the "attach" icon is next to it.
chaos.socialDelta Chat (@delta@chaos.social)Attached: 3 images @RandamuMaki@mstdn.social @gmc@friends.chasmcity.net no bigger write up, but if you have a desktop: Go to message input, attach-app and select "v86 emu" app and start it. Inside v86 app "Choose file", select an iso (download for example https://dl-cdn.alpinelinux.org/alpine/v3.21/releases/x86/alpine-standard-3.21.3-x86.iso) and hit "Start" button. Login as "Root", no password.
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Delta Chat

@gmc great and welcome :) did you try out the v86 app in a chat yet? It allows to run 32bit iso images, and if you configure eth0 on multiple devices the chat members will have an end-to-end encrypted private lan (using #webxdc realtime channels). Telnet/netcat/ping etc works. This virtual Ethernet even degrades in performance if too many devices do traffic :) tip: try it better on a desktop not mobile (although should also work)

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Delta Chat

@SrRochardBunson @adnan we generally recommend to start by switching together with family, friends or existing special-interest groups or small activist orgs. #webxdc apps (calendar, editor, games) can provide a real functionality benefit, so it's not "just" about ethics. This approach won't immediately replace all WhatsApp usage but is a good base to expand from. Anyone who gets added to a group will immediately have secure contact and chats with all group members, also in DMs with them.

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Delta Chat

@ity #webxdc is a shared spec and joint impelemntation with eg #cheogram and #monocles ... It has nothing to do with proton. Webxdc apps are shared in a chat and run inside the messenger. Proton does not have a messenger. Webxdc apps work on all platforms that #webxdc messengers are released for, including @deltatouch , an Ubuntu based phone. DeltaTouch runs all webxdc apps including the realtime p2p ones. @lk108 is doing an incredible job :)

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DeltaTouch

DeltaTouch 1.12.0 is out, highlights:

🔹 Sync deletion of messages and chats across devices
🔸 Page sized text editor for longer messages
🔹 Webxdc: Notifications (and more)
🔸 Improved integration into UT (ContentHub import/share)

Also included: Preparation for the long-awaited feature teased by @delta 😇
chaos.social/@delta/1141265297

Full changelog: codeberg.org/lk108/deltatouch/

Webxdc support in DeltaTouch is generously funded by @nlnet / @NGIZero, thanks!

chaos.socialDelta Chat (@delta@chaos.social)Attached: 1 image Release cycle completed. Please update so we can initiate the next release round with a long awaited feature ;) Generally delta apps are compatible to all currently released apps and because 15+ app stores come with all kinds of shenegigans and delays it sometimes takes two cycles to roll out new features, one forward compatible one and then the actual enabling one. We usually also try to degrade nicely if installed versions are further than a version apart. No worries ;)
#DeltaTouch#DeltaChat#Webxdc
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Bhante Subharo :xmpp:

After trying out #deltachat and #arcanechat, I've discovered the #webxdc app store. My Dad loves #Sudoku puzzles, and I was tempted to play some competitive Sudoku with him. What assurance is there that there are no sketchy apps in the webxdc app store? Can these apps break out of their little jail, and root my phone? What would the #infosec community say? There's somewhat of a thread on the "threat model"/security of webxdc here (but I think it still needs more scrutiny):
support.delta.chat/t/webxdc-th
#puzzle #puzzles #competitive #game #multiplayer

Delta.Chat · WebXDC threat model?Hi, I’ve just came across this WebXDC idea through its implementation in Monocles Chat (which does not appear to be working at the moment, but that’s another story). I am trying to find a description of WebXDC’s threat model and security design considerations, but so far no luck. Would be very grateful if someone could point me to whatever information might be available on those topics.
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Delta Chat

With #deltachat #chatmail and #webxdc developments we aim to instigate a new modern foundation for secure E-Mail and a resilient Web without platforms. We are building a kind of #minecraft system for modern decentralized messaging.

But who are we building it for?

For all who need reliable trustable means of modern private communication.

While our work needs hackers and experts it's not designed for them. @tante raises interesting and important related thoughts tante.cc/2025/03/03/who-is-fre

Smashing Frames · Who is Free Software for?
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Delta Chat

#deltachat community milestones:

Dec 2023: first #chatmail server

Feb 2024: iOS push notifications

March 2024: ETH Zuerich #security analysis

June 2024: Instant onboarding on all clients

Nov 2024: #P2P #webxdc realtime and home-screen apps

Dec 2024: rPGP #security audit, 20 known #chatmail servers world-wide

Jan 2025: new #webxdc store, UI integrated app-picker, webxdc push notifications.

Spring 2025: is coming :)

money used: ~600K EUR, a tiny amount compared to other messengers.

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Delta Chat

Woah! You can now run 32bit operating systems (alpine, ReactOS, ...) via the new v86emu #webxdc app available at webxdc.org/apps/#mightyshadow7

Ethernet networking uses "webxdc realtime API" implemented via @n0iroh gossip channels.

Basically VMs are wired to an Ethernet that is constrained to chat members only and uses forward-secret encryption with #p2p connections. Result: Telnet and netcat are similarly secure as signal but with Peer-to-peer networking :)

Screenshot of v86emu webxdc app icon and description. A simple x86 emulator from MightyShadow702 X86 emulator that can load 32-bit ISOs and supports TCP/UDP networking using realtime API. Based on Copy's v86 emulator. Published: 2/25/2025 (v0.6.1) Size: 632.1 kb
a large screen, running "damn small linux" graphical user interface with the "tetris" game running in foreground. On the same screen there is a chat interface where the webxdc "v86" was started from a chat message bubble.
Screenshot of Delta Chat desktop with "v86 emulator fun" chat. The chat has a v86Emu WebXDC sent there. Next to Delta Chat desktop there is a window with open v86Emu WebXDC running ReactOS. Inside ReactOS there is a window for network settings open and a command line window with telnet open, successfully connecting to another IP address on the LAN.
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