AngelScript features static typing, object handles (similar to C++ pointers but garbage collected via reference counting), object- orientation, single inheritance, multiple inheritance with interfaces. Allows operators to be registered and overloaded. AngelScript can be used with any C++ IDE, such as Netbeans, Geany, and Eclipse.

This is the GNU D compiler, which compiles D on platforms supported by gcc. It uses the gcc backend to generate optimised code.

Ceres Solver is an open source C++ library for modeling and solving large, complicated optimization problems. It is a feature rich, mature and performant library which has been used in production at Google since 2010.

This is MarkupPy - a Python module that attempts to make it easier to generate HTML/XML from a Python program in an intuitive, lightweight, customizable and pythonic way.

Software::Copyright is a Perl module to manage and cleanup copyright statements found in most Open-Source Software project. This module is intended to be used with software able to extract copyright-statements from source code like Debian's licensecheck.

Swagger Spec Validator is a Python library that validates Swagger Specs against the Swagger 1.2 (https://github.com/swagger-api/swagger-spec/blob/master/versions/1.2.md) or Swagger 2 (https://github.com/swagger-api/swagger-spec/blob/master/versions/2.0.md) specification. The validator aims to check for full compliance with the Specification.