Microsoft finally open sources DOS 1.0 - and it's so much more than the code

Want a blast from the past? Microsoft just open-sourced its very first operating system, offering a rare insight into the PC's earliest days.
How-To Geek on MSN

4 open-source apps that replace Microsoft’s expensive software (and do it better)

You aren't stuck with a $100 subscription fee.

Euro-Office billed as Europe’s sovereign alternative to Microsoft Office

The new open-source initiative is led by European vendors including Nextcloud, Proton, and Ionos, and built on existing open-source project OnlyOffice.
Visual Studio Magazine

Microsoft Expands Quantum Development Kit with New Open-Source Tools, VS Code Integration

Microsoft released new open-source quantum development tools, expanding the Quantum Development Kit. VS Code and GitHub Copilot now play a more central role in ...
CPO Magazine

Microsoft Bans Developer Accounts of High-Profile Open-Source Projects, MemTest86, Windscribe, WireGuard, & VeraCrypt

Microsoft has banned the developer accounts of high-profile open-source projects, leaving them unable to publish software ...
SiliconANGLE

Microsoft open-sources multimodal reasoning model with 15B parameters

Microsoft Corp. today released a hardware-efficient reasoning model, Phi-4-reasoning-vision-15B, that can process multimodal files such as scientific charts. The model is based on two existing ...

Open source

TechRepublic covers the full range of open source software with reviews, tutorials, and advice for how to get it and integrate it into your environment.
Computer Weekly

Microsoft open sources XAML Studio

The latest trends and issues around the use of open source software in the enterprise. XAML Studio is a rapid software application development prototyping tool that started out life as a Microsoft ...