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C# Excel repositories on GitHub: 3 ranked by stars

3 public C# repositories tagged Excel are on GitHub, with 36,465 stars between them; 3 had a push in the last 30 days. The most starred: iOfficeAI/OfficeCLI (32,000), mini-software/MiniExcel (3,647), sbroenne/mcp-server-excel (818).

SpecStream is the live web data engine for teams and agents. It reads open-source repositories on GitHub and keeps what it reads, and this page groups that reading by topic. Ask for the repositories you track by topic, language, license or activity, and new ones and changes arrive in your sheet, CRM, Slack or agent.

Every repository, most starred first

RepositoryWhat it isStarsForksLicenseLast pushRead
iOfficeAI/OfficeCLIOfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office…32,0002,184Apache-2.0Oct 13Oct 14
mini-software/MiniExcelLightweight, fast and native cross-platform processing tool for importing and exporting spreadsheet documents.3,647432Apache-2.0Oct 7Oct 11
sbroenne/mcp-server-excelAutomate real Microsoft Excel with AI via MCP Server or CLI — Power Query, DAX, VBA, PivotTables, charts, and 412 operations.81898MITOct 14Oct 14

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Every Excel repository

Read from GitHub by SpecStream between October 11, 2026 and October 14, 2026; each row shows the day its repository was read. Stars and pushes change every day, and the GitHub page is the current one. Forks and archived repositories are left out.