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The right to use adblockers
Companies increasingly aim to control how users interact with their content online, threatening user freedom. As more companies crack down on browser exten...
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Thunderbird 91.0
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
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Open source solution replicates ChatGPT training process
Colossal-AI offers an open-source solution to efficiently replicate ChatGPT-like model training at high speed and low cost.
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Fira Sans: a Free, Open Source Typeface Commissioned by Mozilla
As designers in open source, we’re constantly looking for opportunities to bring the principles of universal access and redistribution to new areas. While the term “open source” may still be mainly associated with code, the value in free collaboration benefits every discipline – particularly design.
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The most surprising thing I've seen in 2009, courtesy of Etherpad
Real-time collaborative editing where authorship is the default, your server is the only server, and you decide what AI (if any) ever touches your text.
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Spotlight on pdfly, the Swiss Army knife for PDF files
Project documentation: pdfly.readthedocs.io pdfly is the youngest project of the py-pdf organization. It has been created by Martin Thoma in 2022. It's simply a CLI tool to manipulate PDF files, written in Python and based on the fpdf2 & pypdf libraries. I'm a maintainer of the project 🙂 What can …
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Matrix 2.0 Is Here
Matrix, the open protocol for secure decentralised communications
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Firefox appears to be flagged as suspicious by Cloudflare
Update: Cloudflare’s response indicates that this is a customer-specific rule and not a global policy. They did not mention what kind of rule is triggering this behavior though.
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ACM Is Now Open Access
As of January 1, 2026, all ACM publications and related artifacts in the ACM Digital Library are now open access. This change reflects the long-standing and growing call across the global computing community for research to be more accessible, discoverable, and reusable.
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Open source ‘protestware’ harms Open Source
There is a new development that directly impacts the open source community, and it warrants a new commentary. Angry maintainers have started adding code to a small number of open source repositorie…
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Go += Package Versioning
More precisely, we need to add the concept of package versions to the working vocabulary of both Go developers and our tools, so that they can all be precise when talking to each other about exactly which program should be built, run, or analyzed. The go command needs to be able to tell developers exactly which…
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Bzip2 crate switches from C to 100% Rust
Today we published bzip2 version 0.6.0 , which uses our rust implementation of the bzip2 algorithm, libbz2-rs-sys , by default. The bzip2 crate is now faster and easier to cross-compile.
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Cap'n Proto 0.6 released – 2.5 years of improvements
Today we’re releasing Cap’n Proto 0.6, the first major Cap’n Proto release in nearly 2.5 years.
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Linux Desktop Environments System Usage
Over the years I've seen a lot of poorly made comparisons of Linux Desktop Environments in terms of system usage and in this article I want to make things right once and for all.
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MDN Web Docs evolves: Lowdown on the upcoming new platform
The time has come for Kuma — the platform that powers MDN Web Docs — to evolve. “What does a Kuma evolve into? A KumaMaMa?”
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If you can use open source, you can build hardware
I'm telling you: we're at a special moment here. The labor savings of open source, the composability, the fun: all of it has come to hardware. You can build things that solve real problems for yourself.
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K2 Horizon: A connected fleet of six open models
Explore K2 Horizon, IFM’s open-source fleet of six frontier AI models for reasoning, coding, agentic workflows, edge devices, and enterprise deployment.
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JQuery 1.7 Released
jQuery: The Write Less, Do More, JavaScript Library
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Godot Engine Awarded $50k by Mozilla Open Source Support Program
We are delighted to announce that Godot Engine has been awarded USD 50,000 by Mozilla as part of the Mozilla Open Source Support (MOSS) Mission Partners program. This award will be used to fund the work of some of our core contributors on three different work packages, all linked with Mozilla's mission of furthering…
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I won an award from the FSF for my contributions to Emacs
In this video I thank the Free Software Foundation for the award and stress the importance of the community.
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Death of an open-source business model
Eulogy for a simpler time
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Thunderbird Is Thriving: Our 2022 Financial Report
Last year, our mighty donor base generously donated a record-breaking amount to the Thunderbird project! Here's our 2022 Financial Report.
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Firefox 33
We'd also like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox!
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Arti – An implementation of Tor in Rust
Arti 0.1.0 is released, and available for download.
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The federated code forge
For most of the past two decades, the code forge has been where projects live: where code is hosted, where changes are reviewed, and where contributors find each other. Forges offered convenience in exchange for centralisation.