NQuery 9.7

NQuery is an open-source library by Immo Landwerth that brings a SQL-like query language to .NET applications. It lets you run ad hoc queries over in-memory objects and custom data sources without relying on a database. The engine handles parsing, binding, optimization, and execution, so you can filter, project, join, and aggregate data using familiar SQL concepts directly in your application.

Key capabilities:

• Query in-memory data with SQL-like syntax
• Perform joins, grouping, sorting, and aggregation
• Embed easily into .NET applications for custom tooling or features
• Extend with user-defined functions, aggregates, and table sources
• Validate queries and surface errors programmatically

NQuery is a practical choice when you need flexible, embeddable querying inside your app rather than a full database server.

NQuery is developed by Immo Landwerth. The most popular versions of this product among our users are: 9.3, 9.4, 9.5, 9.6 and 9.7. The name of the program executable file is nQuery.Desktop.exe.