
documonster/documonsterZero-dependency TypeScript toolkit for Excel, Word, PDF, CSV, Markdown, XML & ZIP — one API across Node.js, Bun & browsers.
TypeScript★ 105↓ 17.7K/moSep 14, 2026
npm · Go67Goodhealth index
JavaScript★ 2↓ 1,002/moSep 19, 2026
TypeScript · HTML★ 1,477↓ 32.6K/moOct 1, 2026
JavaScript · TypeScript★ 0↓ 12.9K/moSep 7, 2026
C#★ 38Sep 15, 2026
PyPI · npm · crates.io65Goodhealth index

emulette/cellruneA deterministic, explicitly scoped Excel formula evaluator and workbook I/O library for Rust
Rust★ 0↓ 5,982/moSep 15, 2026

revolist/vue-datagridPowerful virtual data grid smartsheet with advanced customization. Best features from excel plus incredible performance 🔋
TypeScript · Vue · JavaScript★ 210↓ 7,471/moSep 10, 2026
Packagist65Goodhealth index
PHP★ 1,368↓ 694.5K/moSep 18, 2026
Packagist65Goodhealth index

turgutahmet/kolay-xlsx-streamStream millions of rows to XLSX with O(1) memory and direct S3 multipart upload. Laravel-friendly. PHPSpreadsheet alternative for large exports.
PHP★ 45↓ 4,086/moSep 10, 2026

xuri/efpGo Language Microsoft Excel™ Formula Parser
Go★ 136Sep 23, 2026
NuGet63Moderatehealth index
C#★ 28Sep 10, 2026
NuGet63Moderatehealth index
C#★ 357Sep 17, 2026
npm63Moderatehealth index

alex-krassavin/reamkitRead .docx .xlsx .pptx .pdf .doc .xls .ppt → convert to PDF, SVG, HTML, Markdown, DOCX or XLSX — pure TypeScript, no LibreOffice, no headless Office, no commercial SDK
TypeScript★ 9↓ 2,280/moSep 18, 2026
Maven63Moderatehealth index

egonw/bactingBacting is an open-source platform for chemo- and bioinformatics based on Bioclipse that defines a number of common domain objects and wraps common functionality, providing a toolkit independent, scriptable solution to handle data from the life sciences.
Java★ 23Sep 7, 2026
PyPI63Moderatehealth index

ferdinandobons/brand-docsBrandDocs is a set of agent skills that learn your existing Word, PowerPoint and Excel templates and generate new on-brand documents from them. Unlike generic AI document generators, it preserves brand, structure, styles and formulas by construction. Built for Claude Code, Codex and compatible AI agents.
Python★ 264Sep 19, 2026
PyPI · crates.io · npm63Moderatehealth index

kent-tokyo/elixceeRun, test, and diagnose Excel VBA macros without Microsoft Excel. elixcee is a Rust-powered headless VBA runtime for Linux, macOS, and Windows, with static analysis, property-based workbook testing, and root-cause diagnostics for common Excel operation failures.
JavaScript · Rust★ 2↓ 25.8K/moOct 19, 2026
NuGet · npm63Moderatehealth index
C# · JavaScript · HTML★ 4Sep 13, 2026
npm63Moderatehealth index
TypeScript · Svelte★ 142↓ 19.9K/moOct 22, 2026
npm63Moderatehealth index
TypeScript★ 19↓ 4,155/moOct 11, 2026
RubyGems62Moderatehealth index
C · Ruby★ 362Oct 19, 2026
PyPI62Moderatehealth index

Zn070515/offipyMicrosoft Office automation via COM/MCP (session-based, Word/Excel/PowerPoint) + HTML-first editable PPTX pipeline
Python · HTML★ 0↓ 3,395/moSep 18, 2026
npm62Moderatehealth index
ABAP★ 873Sep 12, 2026
npm62Moderatehealth index

abdulwahid-csit/photon-gridPhoton Grid is a high-performance TypeScript Data Grid for Angular, React, Vue and JavaScript with virtual scrolling, enterprise features, tree data, charts, editing, filtering, sorting and millions of rows support.
TypeScript★ 1↓ 8,269/moOct 3, 2026
npm62Moderatehealth index
TypeScript · JavaScript★ 0↓ 1,268/moSep 15, 2026
Packagist62Moderatehealth index
PHP★ 1↓ 1,629/moOct 22, 2026
Packagist62Moderatehealth index
PHP★ 12↓ 1,547/moSep 13, 2026
NuGet62Moderatehealth index

rabanti-github/NanoXLSXNanoXLSX is a small .NET library written in C#, to create and read Microsoft Excel files in the XLSX format (Microsoft Excel 2007 or newer) in an easy and native way
C#★ 166Oct 19, 2026
npm62Moderatehealth index

revolist/vue3-datagridPowerful virtual data table spreadsheet for Vue 3 with advanced customization. Best features from excel plus incredible performance 🔋
TypeScript · JavaScript★ 180↓ 36.8K/moSep 15, 2026
npm60Moderatehealth index
TypeScript★ 236↓ 2M/moSep 18, 2026
PyPI60Moderatehealth index
Python · JavaScript★ 8↓ 2,128/moSep 27, 2026