High-quality QR Code generator library in Java, TypeScript/JavaScript
...The library is designed first in Java and then ported to TypeScript, Python, Rust, C++, and C. It is open source under the MIT License. For each language, the codebase is roughly 1000 lines of code and has no dependencies other than the respective language’s standard library.
The Amplify MDA project is aimed at delivering a 'model-to-text' generator tool with real-world applicability in less than 1000 lines of Java/Groovy code.
CMaker is an utility to automatically generate Java classes which mirror a SQL database table structure. For example, if given a table TEST whose columns are defined as ( KEY CHAR(5); ELEMENT CHAR(1000); ) CMaker will generate a corresponding Test class.