20libB

20libB is an open‑source software library designed for the rapid development of web‑based applications using the JavaScript programming language. The library was first released in October 2023 by a consortium of developers from the University of Chicago’s Computer Science Department and several independent contributors. 20libB follows the “modular micro‑framework” architecture, providing a minimal core with a plug‑in system that allows developers to extend functionality without bloating the base package. The name “20libB” reflects its version 2.0 line and its designation as the second major library in the project’s release sequence.

The core of 20libB supplies common utilities such as HTTP request handling, state management, and a component architecture that is compatible with both React and Vue ecosystems. It also includes a lightweight templating engine that supports inline logic and conditional rendering. In addition to core utilities, 20libB offers a set of community‑maintained plug‑ins for tasks such as authentication, data visualization, and internationalization. The library is released under the MIT license and is packaged via npm, making it straightforward to integrate into existing Node.js or browser projects.

Usage of 20libB has grown in academic research projects and small‑to‑medium enterprise web services. Its minimalism and emphasis on modularity have been cited in several conference proceedings on web development best practices. While still early in its lifecycle, the library has attracted contributions from dozens of developers and maintains an active issue tracker and documentation portal that provide both user guides and API references.