When comparing Qt Creator vs Light Table, the Slant community recommends Light Table for most people. In the question“What are the best programming text editors?” Light Table is ranked 23rd while Qt Creator is ranked 27th. The most important reason people chose Light Table is:
With LT's inline evaluation, you don't have to re-compile your whole source file. Each time you want to see an output, all you have to do is hover your cursor over the line you'd like to evaluate and press `ctrl+enter`; LT will evaluate that line of code for you.
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Pro Great syntax highlighting and auto-completion
Qt Creator has a code model which basically has the same information as the compiler. So it can do really nice syntax highlighting (e.g. of virtual methods or local variables) as well as provide great code completion.
Pro Integrates well with non-IDE workflows
Qt Creator uses normal .pro-files, CMakeLists.txt, Makefiles.am, etc. for its projects and rarely needs special configuration for projects.
Projects can be built on the command line as usual.
Pro Fast and fully keyboard-navigatable
Responsive UI, no need to use the mouse for the power users.
Pro Build in Qt GUI editor
Allows for the creation of a window based ui in a graphical editor, no code required to build the ui.
Pro Much space dedicated to the code
Small and beautiful UI, almost all the space is dedicated to the text with hardly and toolbars. Can actually be used on a 1024x768 pixel screen.
Pro Supports CMake
Pro Very responsive when compared to similar software
Pro Inline evaluation
With LT's inline evaluation, you don't have to re-compile your whole source file. Each time you want to see an output, all you have to do is hover your cursor over the line you'd like to evaluate and press
ctrl+enter; LT will evaluate that line of code for you.
Pro Your code runs live as you write it
The "Watches" feature lets you see your code running live as you type it. This means that you can debug your code live while writing it, which leads to considerably less programming errors.
Pro Plugin manager available
LT has a plugin manager built directly inside of it. This plugin manager connects to LT's own registry of plugins, so whenever you want assistance while writing your HTML, JS, or even Python, just open up the plugin manager, search for it, and click the little install button beside it's name. Your plugin will then be installed.
Con Poor multi-window mode support
While multiple windows are supported, many operations will activate in the primary window (search, debug, goto-line... etc).
Con Poor refactoring
QtCreator has lack of refactoring features. It's not even close to Resharper++ or CLion
Con Qt Focused
Qt Creator is focused on being an IDE for Qt, as a general purpose IDE it performs quite well, but there are areas which are lacking such as project file support (support for generic/CMake projects lags behind Qt projects).