- NancyFx - Lightweight Web Framework
- Json.NET - high-performance JSON framework for .NET
- Flask - Microframework
- Pydantic - Dataclasses
- pip-tools and pipdeptree - Dependancy mangement
- DeepDiff - Smarter deltas with clean outputs
- pprint - Clean dictionary printing
- sqlalchemy - Database Toolkit for Python
- environs - simplified environment variable parsing
- pytest - Testing framework
- Handlebars - Templating
- Underscore/Lodash - Library of utility functions for common programming tasks
- D3.js - Data visualization
- LESS.js - Dynamic preprocessor style sheet language that can be compiled into
- Mockito - Mocking in tests
- Junit - Unit testing framework
- Hamcrest - Better assertions