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a lightweight, platform independent C++-IDE with support for C++11, C++14 and C++17 features depending on libclang version.


Current IDEs struggle with C++ support due to the complexity of the programming language. juCI++, however, is designed especially towards libclang with speed, stability, and ease of use in mind.


  • Platform independent
  • Fast, responsive and stable (written extensively using C++11/14 features)
  • Syntax highlighting for more than 100 different file types
  • C++ warnings and errors on the fly
  • C++ Fix-its
  • Integrated Clang-Tidy checks possible through clang plugins, for instance (recreating existing build is needed):
    CXX=clang++ CXXFLAGS="-Xclang -add-plugin -Xclang clang-tidy -Xclang -plugin-arg-clang-tidy -Xclang -checks='-*,clang-analyzer-core.*'" juci [project-path]
  • Debug integration, both local and remote, through lldb
  • Supports the following build systems:
    • CMake
    • Meson
  • Git support through libgit2
  • Fast C++ autocompletion
  • Tooltips showing type information and doxygen documentation (C++)
  • Rename refactoring across files (C++)
  • Highlighting of similar types (C++)
  • Automated documentation search (C++)
  • Go to declaration, implementation, methods and usages (C++)
  • OpenCL and CUDA files are supported and parsed as C++
  • Other file types:
    • Language server protocol support is enabled if [language identifier]-language-server executable is found. This executable can be a symbolic link to one of your installed language server binaries. See language-server-protocol/ for the currently defined language identifiers.
    • otherwise, only keyword and buffer completion supported
  • Find symbol through Ctags
  • Spell checking depending on file context
  • Run shell commands within juCi++
  • Regex search and replace
  • Smart paste, keys and indentation
  • Multiple cursors
  • Auto-indentation through clang-format or Prettier if installed
  • Source minimap
  • Split view
  • Multiple cursors
  • Full UTF-8 support
  • Wayland supported with GTK+ 3.20 or newer

See enhancements for planned features.



  • boost-filesystem
  • boost-serialization
  • gtkmm-3.0
  • gtksourceviewmm-3.0
  • aspell
  • libclang
  • lldb
  • libgit2
  • libclangmm (downloaded directly with git --recursive, no need to install)
  • tiny-process-library (downloaded directly with git --recursive, no need to install)


See installation guide.


See how to build the API doc.


A lightweight & cross-platform IDE supporting the most recent C++ standards. This project has moved to

Jucipp Info

⭐ Stars886
🔗 Source
🕒 Last Updatea year ago
🕒 Created8 years ago
🐞 Open Issues39
➗ Star-Issue Ratio23
😎 Authorcppit