expression-builder

DynamoDB client for NodeJS and browser with a fluent api to build requests. We take care of the type mapping between JS and DynamoDB, customizable trough typescript decorators.

Write regular expressions in pure Java

Lightweight C# library that converts JSON-based query definitions into LINQ expressions. Ideal for building dynamic filters, predicates, and queries.

Zero-dependency DynamoDB toolkit (AWS SDK v3) — Adapter with hooks, expression builders, batch/transaction chunking, mass operations, REST handler.

Java math expression builder and parser

EntityFramework Expression Builder

Expression Builder

Query Builder

VLEB

Queryable Port of some methods of LinqDataCalc [ .NET 4.6.2+ ]

JavaScript Toolkit for Azure Cognitive Search Service

Model, solve, and simplify mathematical expressions

expression builder validator and sanitizer for javascript

Visual composer for Power Automate Trigger Condition and Filter Array expressions — build conditions in a UI instead of hand-writing @and()/@or() syntax. Ships as a standalone web app and a Power Platform Toolbox plugin from one shared TypeScript codebase.

A visual Excel-to-SQL expression builder for customer and invoice calculations.

A modernized Angular 4+ query builder based on jquery QueryBuilder

Generate valid Appian SAIL expressions from guided forms and composable templates — no AI, no backend, works offline.