formula-engine 开源项目推荐（44 个）

soonfx-engine /core

🎮 TypeScript 是用于角色扮演和策略游戏的数值引擎。零依赖关系，类型安全的公式解析，战斗系统模拟和表达式评估。 基于 TypeScript 的游戏数值引擎，专为 RPG 和策略游戏设计。零依赖、类型安全的公式解析、战斗系统模拟和表达式计算。

proompteng /bilig

Formula workbooks for Node services: edit inputs, recalculate formulas, read outputs, persist WorkPaper JSON, and expose MCP tools.

CasualOffice /opencalc

An Excel-compatible spreadsheet you can run anywhere: a deterministic Rust engine for .xlsx, .xlsm and .ods with an Excel-style editor in WebAssembly — embeddable, collaborative, desktop and AI-agent ready.

pixelsmasher13 /gridpath

Real Excel files in your web app and your AI agent: an embeddable spreadsheet with a Rust/WebAssembly formula engine, in-place .xlsx saves, and an MCP server.

libraz /formulon

Excel 365 calculation engine in C++17: evaluate formulas and recalculate .xlsx / .xlsb workbooks without Excel. Ships as WASM (browser / Node), a Python package, and a native CLI.

HarshitBadam /table-canvas

Visual data workbench for transforming and combining tabular data, surfacing suggestions for analyzing and cleaning data, building visualizations, and creating and exporting reports.

witanlabs /xlsx-corpus-bench

Benchmarking xlsx libraries against Microsoft Excel itself: load, round-trip, and recalculation fidelity across 16,000 real-world workbooks from two public corpora. witan · LibreOffice · EPPlus · ClosedXML · openpyxl

brielov /littlewing

Let your users write formulas, without eval and without letting them hang your app. A small typed language with exact decimals, inferred inputs and a step budget.

wieslawsoltes /GridSpace

Local-first spreadsheet with a C# formula engine, dynamic arrays, charts and XLSX/CSV interchange, built with Uno Platform and SkiaSharp. Runs on desktop and in the browser; engine and controls ship as NuGet packages.

imakris /mexce

Single-header C++ JIT compiler/evaluator for mathematical expressions

mollendorff-ai /forge

AI-native financial modeling — YAML models that LLMs read, write, and validate deterministically. 10-15x fewer tokens than Excel.

milochen0418 /reflex_grid

Open-source online Excel: a self-hosted browser spreadsheet that opens and saves real .xlsx/.xlsm, runs Excel VBA macros and UserForms, and lets people edit the same workbook together live. Python engine (478 functions, dynamic arrays) + Reflex UI.

ximing /xexcel

Embeddable Excel-style spreadsheet: State + Transaction + Plugin (ProseMirror-style). TypeScript, Konva, formula engine, xlsx/CSV. npm @xexcel/react

ifmelate /SharpCell

Free (MIT) Excel engine for .NET: reads, recalculates and writes .xlsx. 467 functions checked against Excel, dynamic arrays, LET/LAMBDA, tables, styles, hyperlinks, data validation, protection, custom C# functions.

Nzy19940403 /meshflow

A reactive dependency graph engine with topological scheduling and cyclic convergence

youichi-uda /droidxls

Android Excel library for Kotlin — read/write .xlsx files with a native API. Lightweight alternative to Aspose.Cells at $99/year.

Mukbeast4 /go-ods

Pure Go library for reading, writing, and evaluating ODS (OpenDocument Spreadsheet) files

erbasaran /SmartExcelKit.NET

High-performance, lightweight .NET Standard 2.0 library for reading, writing, and streaming Excel and spreadsheet files (XLSX, XLS, XLSM, XLSB, CSV, TSV, HTML, XML 2003, JSON). Features native BIFF8 XLS support, zero-allocation streaming, automatic format detection, and a built-in Excel formula engine.

eminsk /xlsx_vievers

Headless Excel formula engine (129+ functions), Native MCP Server (xlsx-mcp), SIMD SSE2 math engine, and Office Ribbon desktop spreadsheet app

zcag /defter

Text-canonical, collaborative, agent-friendly spreadsheet — the markdown IS the source of truth