PHP Mathematical expression parser and evaluator

Test different expression engine's performance (Including AviatorScript, MVEL, QLExpress, etc.)

Seamless filtering, sorting and paging for ASP.NET Core. Fully customizable.

一款基于 aviator深度封装的可视化动态规则引擎。它创新性地将思维导图引入规则编排，支持动态配置函数与变量，支持AI问答，提供全链路执行追踪与搜索能力。

Flexible JavaScript rule engine for dynamic business logic, validation, and decision-making with JSON-based rules and built-in security.

Alder is a C# expression engine for .NET that parses, binds, validates, and executes C# expressions and statement blocks against CLR types, with support for async, Dynamic LINQ, expression-tree export, security controls, and NativeAOT.

⚙️ SPARQL expression evaluator library - Moved to @comunica/expression-evaluator

Open source multi-tier website backups

gojacego is a calculation engine for Golang.

An SQL database, written as a learning project.

🌴 An engine that can compile and evaluate expressions written in typescript

Recursive descent expression parser in Go

A simple and light-weight runtime string template engine and expression evaluator

简易表达式(simply-el)，旨在解决判断、计算、取值、结构转换这些逻辑简单但编码繁复的工作

Docker container for Expression Engine

Client reports. No ragrets.

A simple rule engine which can calculate dynamic expressions and rule expressions

A fast, expressive rule-based filtering engine for Rust — evaluate boolean expressions over any data structure

`OQS` (Open Quick Script) is a simple, system-neutral expression language for efficient scripting on diverse platforms. It's open-source, adaptable, and focused on fundamental operations.