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Software · Development

TheIDE

IDE for cross-platform U++ app development framework.

  • Completely free
  • Linux
  • Open source

Overview

TheIDE is a code editor, available on Linux.

Features described in its Flathub listing: code completion and debugging.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “IDE for cross-platform U++ app development framework” — Flathub, 10 November 2026
  • “Additionally, it is an excellent IDE for people starting their journey with C/C++ programming and looking for an easy-to-use environment with features like a simple build system, code completion, code formatting, and…” — Flathub, 10 November 2026
  • “Additionally, it is an excellent IDE for people starting their journey with C/C++ programming and looking for an easy-to-use environment with features like a simple build system, code completion, code formatting, and…” — Flathub, 10 November 2026

At a glance

TheIDE is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (BSD-2-Clause) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • Commercial use allowed

About

TheIDE is an integrated development environment for the U++ cross-platform app development framework dedicated to the C++ programming language. It can handle general-purpose C/C++ projects as well. Additionally, it is an excellent IDE for people starting their journey with C/C++ programming and looking for an easy-to-use environment with features like a simple build system, code completion, code formatting, and debugger support. U++ is a C++ cross-platform rapid application development framework focused on programmers productivity. It includes a set of libraries (GUI, SQL, Network, etc.), and an integrated development environment. Rapid development is achieved by the smart and aggressive use of C++ rather than through fancy code generators. In this respect, U++ competes with popular scripting languages while preserving C/C++ runtime characteristics. The U++ integrated development environment, TheIDE, introduces modular concepts to C++ programming. It features BLITZ-build technology to speedup C++ rebuilds up to 4 times, Visual designers for U++ libraries, a Topic++ system for documenting code and creating rich text resources for applications (like help and code documentation) and Assist++ - a powerful C++ code analyzer that provides features like code completion, navigation and transformation. TheIDE can work with GCC, Clang, MinGW and Visual C++ and contains a full featured debugger. TheIDE can also be used to develop non-U++ applications. U++ supports following platforms on the production level: Windows, macOS, GNU/Linux & FreeBSD.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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