jGRASP is a lightweight freeware development environment for improving the comprehensibility of software via the automatic generation of software visualizations.
JetBrains Rider is a cross-platform .NET IDE built for serious developers who want deep code insight, fast performance, and smooth integration tailored for .NET and C#.
Laragon is an incredibly versatile development environment that supports many programming languages, including PHP, Node.js, Python, Java, Go, and Ruby.
Ghidra is an Open Source multi-platform software reverse engineering (SRE) framework created and maintained by the National Security Agency Research Directorate.
Attack Surface Analyzer is a tool developed by the Microsoft Security Engineering Center (MSEC). This tool is utilized by Microsoft's internal product groups to document and analyze modifications to the operating system's attack surface that occur when new software is installed.
Code::Blocks is a free C, C++, and Fortran IDE built to meet the most demanding needs of its users. It is designed to be very extensible and fully configurable.