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Chaos Computer Club - recent events feed

Der Chaos Computer Club ist die größte europäische Hackervereinigung, und seit über 25 Jahren Vermittler im Spannungsfeld technischer und sozialer Entwicklungen.

technology

All Episodes

00:28:39

Ink/Stitch (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/31

Machine embroidery is becoming increasingly popular. It is more durablethan other customization methods for textiles and it adds a whole new artistic dimension to the design. What makes it so beautiful, also adds a new layer of complexity to the machine embroidery design creation process. In this brief introduction we will learn a few basic essentials on how to create machine embroidery designs using the Open Source vector graphic software Inkscape along with the Ink/Stitch extension. ## Links *

00:39:38

illumos and its Communities current day overview...

Chaos Computer Club - recent events feed ·

2025/05/31

The illumos Communities are many and mostly unknown. In this talk I will show you the people and groups involved and their goals and why we do things the way we do. about this event: https://fahrplan.cosin.ch/fahrplan/2025/events/d6f9ef78-ce2a-5cc9-9e7f-568b5aca6859/

00:22:24

How to Run a Film Festival on Libre Graphics (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/31

Organising a film festival is 90% communication. The FOSS and Libre Graphics toolbox is well-equipped for this. However, for many of the tasks that a festival entails (video formats, subtitles), we needed to dig a little deeper. Hear about the challenges we faced and the solutions we came up with! ## Links * [website: LusOFest](https://www.lusofest.de) Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event:

00:31:20

Printing Maps with Spot Colors (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/31

… using Qgis and Scribus with a little help from Inkscape, and Ghostscript. ### A happy-ending story about finding out the tips and tricks along the way. Last November, we've been comissioned to produce a small series of printed maps for a cultural center in Lessines, Belgium, to celebrate memories of Louis Scutenaire and René Magritte. We aimed for a project using three colors, and decided to go for spot color printing - using libre graphics tools, mainly QGIS for the design of the map, and

00:22:02

TypeRoof —Type Tooling Infrastructure (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/31

TypeRoof is **type tooling infrastructure**. It provides type proofing applications, initially based on Video Proof and Variable Type Tools. Now it also explores the world of general animation with type as a principal actor, and document creation with general typography in mind and typographical automations based on expert knowledge. TypeRoof is **intended as a host** for all kinds of type related tools, providing advanced methods of resource loading (i.e. fonts, data files) saving and restoring

00:21:02

Inkscape UI Vision Going Forward (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/31

This presentation explores UI improvements for Inkscape, aiming to make it more welcoming for newcomers while enhancing efficiency for experienced users. It showcases design concepts, feedback from the UX team, and discusses how UI refinements can strengthen Inkscape's community. ## Links * [Inkscape](https://inkscape.org/) Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://pretalx.c3voc.de/lgm25-upstream-2025/talk/2407556856/

00:23:52

The story of the Clevo (cosin2025)

Chaos Computer Club - recent events feed ·

2025/05/30

In early 2024, a friend pointed out that an interesting Laptop is available in a swiss webshop at a rather low price. This machine is the Clevo L140CU, which is noteworthy because it is also sold by System76 with open-source firmware. What follows is a story of open firmware, dodgy flashing setups, lost hardware and maybe a working laptop in the end. about this event: https://fahrplan.cosin.ch/fahrplan/2025/events/56bc40ed-bc3f-58b6-acb6-cb46ea538c43/

00:47:02

IPv6-only im Heimnetz (cosin2025)

Chaos Computer Club - recent events feed ·

2025/05/30

Während der Rest der Welt mit der Einführung von IPv6 beschäftig ist, habe ich versucht, IPv4 in meinem Heimnetz abzuschalten. In diesem Vortrag erzähle ich, wie gut das in der Praxis funktioniert hat. Wenn in einem Netzwerk IPv4 abgestellt wird, geht zunächst einmal sehr viel nicht mehr. Unter anderem können z.B keine Webseiten mehr erreicht werden, die nur via IPv4 erreichbar sind, darunter z.B. Github. Um aus einem "reinen" IPv6-Netz heraus auch das Legacy-Internet erreichen zu können, benötigt

00:29:10

Libre Designers and the Software Apocalypse (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/30

So, is LGM all about libre tools that software developers make that designers and artists use to make creative work … ? At previous LGMs we’ve talked about open-source design feeding back into improving the look, feel and usability of creative software. But what about the tools used to write those tools? Can we link things back another step? Coding environments have barely changed in decades. Yet the complexity of software produced in them has risen exponentially. The disconnect from cause to

00:20:07

From Printer Dust Till Graphics Dawn (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/30

In this presentation, we partly follow this year's topic "RE:imagination" and will explore old but not old-fashioned printer control languages such as HP-GL (1970s and 1980s) and PostScript (1980s) and device-specific commands for dot matrix printers (1980s) to better understand how we relate to printers and printing today. What can we learn from these languages from current graphic practices and perspectives? What context were these languages developed in? Which aesthetics can be created with them

00:20:39

3000 % FasterFile Saving With Time Travel (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/30

A developer talk about coming up with a new file format for [Drawpile](https://drawpile.net/) with the focus being on the findings and ideas that would be useful for other programs as well. Some of those ideas are already implemented and have brought a massive speedup in file saving and loading, some wilder ideas like continuous autosave with history-altering time-travel are in various states of currently still being worked on, but sufficiently cool to talk about anyway. ## Links *

00:45:19

MFG – Mit Freundlichen Grüssen (cosin2025)

Chaos Computer Club - recent events feed ·

2025/05/30

IT ist eine Abkürzungshölle. Allein im Kontext "E-Mails": Von IMAP, SMTP, POP und MAPI einmal abgesehen, haben wir (ITler) DNSBL, SPF, DKIM, DMARC und BIMI in den letzten Jahren freiwillig oder unfreiwillig nach RFC implementiert. In diesem Vortrag geht es darum, dass die IT-Branche seit Jahren immer mehr Pflästerli auf die teilweise 30+ Jahre alten Protokolle klatscht und alle diese Dinge am Schluss dran scheitern, das Firmen diese Aufwände zunichte machen, in dem Sie ihre eigenen, oder die

00:52:07

Lightning Talks Friday (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/30

Five 10 minute slots for lightning talks. Sign-up on location! Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://pretalx.c3voc.de/lgm25-upstream-2025/talk/2582991739/

00:31:07

GNU Taler is live! What does that mean? (cosin2025)

Chaos Computer Club - recent events feed ·

2025/05/30

The GNU Taler payment system is live in Switzerland. In this talk we'll go over why that should matter to you, and what you can do with the system. about this event: https://fahrplan.cosin.ch/fahrplan/2025/events/64f47e73-732e-5042-90a5-f4844cb09899/

00:27:12

Introduction to Usability/UX Evaluation Methods...

Chaos Computer Club - recent events feed ·

2025/05/30

The session will start with an introduction to the topic of usability and user experience (UX), including the human centered design process (HCD) and design thinking (DT). After having laid out the foundation, a brief overview of different usability evaluation methods is given. The main part of the presentation is about introducing two often used methods: On the one hand the heuristic evaluation as an example of a usability inspection method, and usability testing on the other hand. Both methods can

00:18:25

Fontra —The Browser-Based Font Editor (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/30

Fontra is a novel, libre, browser-based, cross-platform, variable-first font editor. ## Links * [website: Fontra](https://fontra.xyz/) Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://pretalx.c3voc.de/lgm25-upstream-2025/talk/64122622/

00:21:11

Making Waterfalls (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/30

Come learn about some ways to create waterfalls for video games! Inspired by a variety of waterfalls in the Pacific Northwest of the USA, Tom has been playing around with different ways to create waterfalls in the open source Godot game engine, with the help of other open source software such as Blender, Krita, and Gimp. Video game fluid flow is a complex subject, and this talk will outline various methods to cheat so that you don't really have to know complex math to make

00:20:18

Re:Imagining a 3D and Interactive Internet (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/30

Hubs is an open-source interactive browser based 3D meeting space. It is now fully integrated in Blender 3D, which is using an extended version of the gltf format. An extension allows you to attach all the basic components to objects, like particles, UV animations, water and much more. But you can also share links, videos and audio right inside your 3D rooms. Soon another feature was added to the gtlf exporter, the Behavior Graph. It enables interactivity via node-based logic and is only available

00:25:55

Stupid machine learning: Random Projections (cosin2025)

Chaos Computer Club - recent events feed ·

2025/05/29

A lot of CPU cycles have been spent on deep learning based machine learning models. But there are some unreasonably effective, very stupid methods that can be surprisingly effective. One of these methods are random projections, which we will explore for anomaly detection on some real-world data from the CMS experiment at CERN. about this event: https://fahrplan.cosin.ch/fahrplan/2025/events/f77a03cf-23bb-59b7-9605-2c4944cc97c0/

00:20:17

Hyper 8 Video System (lgm2025)

Chaos Computer Club - recent events feed ·

2025/05/29

[Hyper 8](https://simonrepp.com/hyper8) is a static site generator for video, developed since 2023 and first released in 2024. It uses a file-based, modular building block system for authoring video sites ranging from single videos, to playlists, to video collections of arbitrary hierarchical complexity. Sites can be created and edited using Hyper 8's graphical user interface, but also using nothing more than a terminal, file explorer and text editor (or both). Due to their static nature, Hyper 8

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