LTspice

Operating system: cross-platform License: GPLv2+

The Visualization Toolkit (VTK) is an open-source software library for creating and manipulating vis (more)ualizations of scientific and engineering data. It is written in the programming language C++, and it is designed to be used in a wide range of applications, including visualization of scientific data, computer graphics, medical imaging, and computer-aided design (CAD). VTK includes a large number of tools and algorithms for visualizing and analyzing data, including functions for rendering 2D and 3D graphics, volume rendering, image processing, and data analysis. It also has a rich set of libraries for reading and writing data from a variety of file formats, including support for parallel and distributed computing. VTK is widely used in the fields of scientific visualization, data analysis, and computer graphics, and it is available for a variety of platforms, including Windows, Linux, and macOS. It is developed and maintained by Kitware, Inc., and it is distributed under the BSD license. Operating system: Cross-platform License: 3-Clause BSD

PLECS (Power Electronics Control System) is a software tool that is used for simulating and analyzin (more)g power electronic systems. It is a powerful and flexible tool that is widely used in a variety of industries and applications, including renewable energy, electric vehicles, and industrial control systems. PLECS is designed to allow users to quickly and easily model, simulate, and analyze power electronic systems. It includes a range of features for modeling and simulation, including a library of power electronic components, a graphical user interface for building and configuring models, and tools for analyzing and visualizing simulation results. PLECS is a valuable tool for engineers, researchers, and other professionals who work with power electronic systems. It is used by a wide range of organizations, including universities, research institutions, and industrial companies, and it is often used in conjunction with other engineering and simulation tools. Operating system: Mac OS X, Windows, Linux License: Proprietary

Operating system: Cross-platform License: LGPL

MapleSim is a software tool for modeling and simulation of physical systems. It is developed by Mapl (more)esoft and is used in a variety of applications, including engineering, science, and education. MapleSim includes a range of features for creating and analyzing models, including tools for building graphical models, running simulations, and analyzing results. It is used to study the behavior of physical systems, such as mechanical systems, electrical systems, and hydraulic systems. MapleSim is available for Windows, macOS, and Linux operating systems. It is often used in conjunction with other software tools, such as Maple, a technical computing software package also developed by Maplesoft. Operating system: Windows 7 or later macOS 10.12 or later Red Hat Enterprise Linux 7 or later SUSE Linux Enterprise 15 or later Ubuntu 18.04 or later License: Proprietary commercial software

Epi Info is a free, open-source software tool developed by the Centers for Disease Control and Preve (more)ntion (CDC) for collecting, analyzing, and sharing data related to public health. It is widely used in the field of epidemiology for conducting epidemiological investigations, surveillance, and public health research. Epi Info includes a suite of tools for designing and managing databases, creating and analyzing data, and generating reports and charts. It also includes a programming language, called Epi Info Macro Language (EML), which can be used to automate tasks and create custom programs. Epi Info is available for Windows, and it can be downloaded from the CDC website. It is widely used in public health and research settings, and it is a popular choice for epidemiological studies and surveillance projects. Operating system: Windows License: Public domain