# Developer Builds Free Open-Source Clones of Word, Excel and PowerPoint

> Brandon Thomas releases free open-source Office and AutoCAD clones using Rust and AI.
- Title: Developer Builds Free Open-Source Clones of Word, Excel and…
- Summary: Brandon Thomas releases free open-source Office and AutoCAD clones using Rust and AI. Brandon Thomas created free open-source alternatives to Microsoft…
- Keywords: artcraft, gridcraft, wordcraft, deckcraft, cadcraft, brandon thomas, rust, open source, microsoft office, autocad, ai coding, startups
- Source: Startup Fortune — https://startupfortune.com/developer-builds-free-open-source-clones-of-word-excel-and-powerpoint
- Published: 2026-10-11T18:50:27+00:00
- Read time: 1 min
- Topics: artcraft, gridcraft, wordcraft, deckcraft, cadcraft, brandon thomas, rust, open source, microsoft office, autocad, ai coding, startups
## ArtCraft launches free open-source Office clones
ArtCraft released free, MIT-or-Apache-licensed rebuilds of Microsoft Word, Excel and PowerPoint.
## WordCraft and GridCraft cover 87% and 89% of Microsoft features
WordCraft covers 87% of Word's ribbon commands while GridCraft covers 89% of Excel's ribbon commands.
## WordCraft at 62% feature parity with Microsoft Word
WordCraft sits around 62% complete despite covering 87% of Word's ribbon commands.
## Brandon Thomas built the open-source apps
Brandon Thomas, a 15-year software engineering veteran, created ArtCraft and its open-source Office clones.
## Thomas used AI to build seven Adobe clones
Thomas previously released seven open-source Adobe Creative Cloud clones using AI.
## Thomas aims for 100% parity in a month
Thomas claimed the Adobe suite would hit 100% parity within a month but walked back to months.
## ArtCraft also released CADCraft
ArtCraft published CADCraft, a clean-room rebuild of AutoCAD for open-source use.
## Microsoft and Autodesk face competition
Microsoft and Autodesk's software moats are now threatened by open-source clones.
## Key takeaway

Brandon Thomas created free open-source alternatives to Microsoft Office and AutoCAD that read Microsoft's file formats without subscriptions.