Qt Creator is a cross-platform integrated development environment (IDE) for developing and debugging C++ applications using the Qt GUI Application Development Framework SDK, and is included with the SDK. The software has a free LGPL license and runs on Windows, OS X, Linux and flavors of BSD.
AnyLogic is a leading provider of dynamic simulation tools, technologies and consulting services for business applications. AnyLogic designs, develops and markets the AnyLogic Software Platform – the first and only tool that brings together System Dynamics, Process-centric (Discrete Event), and Agent Based methods within one modeling language and one model development environment.
Ahrefs is a software tool that is designed to help with SEO. The program allows website owners to research the search engine optimization of competitors. The data gleaned from the program can be useful in keyword optimization, backlink research, and content research. Site owners can then use the research they have performed with Ahrefs to correct flaws with their own SEO.