Sally

Sally - A Simple C++ IDE" is a GPL multi-compiler C++ IDE for WindowsXP/2000.

Platform:Windows                                                                    License:GPL

Reference:https://sallyide.sourceforge.net/

KDevelop

Kdevelop is a free, open source IDE (Integrated Development Environment) for MS Windows, Mac OS X, Linux, Solaris and FreeBSD. It is a feature-full, plugin extensible IDE for C/C++ and other programming languages. It is based on KDevPlatform, and the KDE and Qt libraries and is under development since 1998.

Platform:Linux                                                                    License:GPL

Reference:https://www.kdevelop.org/

Ecere SDK

The Ecere IDE is a complete development environment for editing code, designing graphical user interfaces, managing and building projects as well as debugging. Its aim is to fully support eC and C programming, but also supports including and building e.g. C++ modules as part of the projects.

Platform:Cross platform                                                                    License:BSD License

Reference:https://www.ecere.com/technologies.html

Relo

Relo is an open source C/C++ Integrated Development Environment for Windows, for MingW32 and Borland C++ compilers, designed to be highly customizable and user friendly.

Platform:Windows                                                         License:GNU General Public License (GPL)

Reference:https://www.fifsoft.com/relo/

Bloodshed Dev-C++

Bloodshed Dev-C++ is a full-featured Integrated Development Environment (IDE) for the C/C++ programming language. It uses Mingw port of GCC (GNU Compiler Collection) as it's compiler. Dev-C++ can also be used in combination with Cygwin or any other GCC based compiler.

Platform: Windows (under XP)                                 License:GNU General Public License

Reference:https://www.bloodshed.net/devcpp.html

Quincy

Quincy is freeware open-source. It is a simple programming environment for C/C++ on Windows. It contains an editor, a compiler, a debugger, and graphics and GUI toolkits.

Platform: unknown                                                         License:unknown

Reference:https://www.codecutter.net/tools/quincy/

C-Free 5

C-Free is a professional C/C++ integrated development environment (IDE) that support multi-compilers. Use of this software, user can edit, build, run and debug programs freely.

With C/C++ source parser included, although C-Free is a lightweight C/C++ development tool, it has powerful features to let you make use of it in your project.

Platform:Windows                                                        License:https://www.programarts.com/cfree_en/programarts_enduser_license.htm

Reference:https://www.programarts.com/cfree_en/index.htm

CodeLite

CodeLite is an open-source, cross platform IDE for the C/C++ programming languages.

Platform: Cross platform                              License: GPL v2

Reference:https://www.codelite.org/

RHIDE

RHIDE is an IDE (integrated development environment). It is NOT a compiler. With RHIDE you can develop and debug your applications written in C, C++, Pascal and other languages for which you have a compiler which can be called from RHIDE.

BVRDE

BVRDE is an Integrated Development Environment (IDE) for C and C++. It is designed to make cross-platform development easy. Its features include project management, application wizards, an integrated interactive debugger, and a powerful source editor with source browsing and syntax highlighting.

Anjuta DevStudio

Anjuta is a versatile Integrated Development Environment (IDE) for C and C++ on GNU/Linux. It has been written for GTK/GNOME and features a number of advanced programming facilities. These include project management, application wizards, an on-board interactive debugger, and a powerful source editor with source browsing and syntax highlighting.

Codeblocks

Code::Blocks is a free C++ IDE built to meet the most demanding needs of its users. It is designed to be very extensible and fully configurable.