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The developer who cloned Photoshop using AI has now created Word, Excel, and PowerPoint replicas with Claude

Built in Rust with Anthropic’s Claude Opus 5.5, the apps are in early alpha and already claim about 60% feature parity with Microsoft Office.

Summary by Tech Spot
Called WordCraft, GridCraft, and DeckCraft, respectively, the open-source applications are written in Rust with Anthropic's Claude Opus 5.5, as the Adobe replicas were, and are available for...

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Brandon Thomas has used Claude Opus 5.5 to create three free Microsoft Office replicas that already incorporate much of their original features

·Madrid, Spain
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Brandon Thomas, the developer behind ArtCraft, has published WordCraft, GridCraft and DeckCraft, three free and open source applications that mimic Word, Excel and PowerPoint. They open and store .docx, .xlsx and .pptx, but of total compatibility, nothing: all three are in alpha, and, as of October 15, their own repositories estimate that they are between 50% and 60% ready for real work. There is no frontal attack on Microsoft 365. It is also an…

The open source project ArtCraft develops free programs that are deliberately based on familiar applications from Microsoft and Adobe. WordCraft, GridCraft and DeckCraft are new – three young projects modelled on Word, Excel and PowerPoint.

Brandon Thomas, founder of the ArtCraft studio, publishes WordCraft, GridCraft and DeckCraft, three free and open source clones of Word, Excel and PowerPoint written with the help of Claude Opus 5.5. According to his own roadmaps, WordCraft made only about 60% of the way to replacing Word at work.

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  • 34% of the sources lean Left, 33% of the sources are Center, 33% of the sources lean Right
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Tech Spot broke the news on Tuesday, October 13, 2026.
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