Qt alternatives and similar libraries

Based on the "Frameworks" category.
Alternatively, view Qt alternatives based on common mentions on social networks and blogs.

Folly

9.8 9.9 L1 Qt VS Folly

An open-source C++ library developed and used at Facebook.
abseil-cpp

9.4 9.6 Qt VS abseil-cpp

Abseil Common Libraries (C++)

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MonoGame

9.3 8.6 L2 Qt VS MonoGame

One framework for creating powerful cross-platform games.
OpenFrameworks

9.3 9.7 L2 Qt VS OpenFrameworks

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.
Seastar

9.0 9.5 L1 Qt VS Seastar

High performance server-side application framework
Boost

8.8 9.8 Qt VS Boost

Super-project for modularized Boost
JUCE

8.6 9.8 L1 Qt VS JUCE

JUCE is an open-source cross-platform C++ application framework for desktop and mobile applications, including VST, VST3, AU, AUv3, RTAS and AAX audio plug-ins.
Cinder

8.4 3.4 L3 Qt VS Cinder

Cinder is a community-developed, free and open source library for professional-quality creative coding in C++.
tbox

8.2 9.1 Qt VS tbox

🎁 A glib-like multi-platform c library
Flecs

7.6 9.5 Qt VS Flecs

A fast entity component system (ECS) for C & C++
libPhenom

7.3 0.0 L3 Qt VS libPhenom

libPhenom is an eventing framework for building high performance and high scalability systems in C. [Apache2]
BDE

6.7 9.7 L1 Qt VS BDE

Basic Development Environment - a set of foundational C++ libraries used at Bloomberg.
LibSourcey

6.5 0.0 L2 Qt VS LibSourcey

C++14 evented IO libraries for high performance networking and media based applications
ffead-cpp

4.9 6.1 L1 Qt VS ffead-cpp

Framework for Enterprise Application Development in c++, HTTP1/HTTP2/HTTP3 compliant, Supports multiple server backends
APR

4.5 8.9 L3 Qt VS APR

Mirror of Apache Portable Runtime
EASTL

4.4 0.0 L2 Qt VS EASTL

Obsolete repo, please go to: https://github.com/electronicarts/EASTL
STXXL

4.2 0.0 L1 Qt VS STXXL

STXXL: Standard Template Library for Extra Large Data Sets
LibU

4.1 0.0 L3 Qt VS LibU

LibU is a multiplatform utility library written in C, with APIs for handling memory allocation, networking and URI parsing, string manipulation, debugging, and logging in a very compact way, plus many other miscellaneous tasks
uSTL

4.0 6.3 L4 Qt VS uSTL

A size-optimized STL implementation.
Loki

3.4 0.0 L1 Qt VS Loki

Loki is a C++ library of designs, containing flexible implementations of common design patterns and idioms.
Yomm2

3.2 6.6 Qt VS Yomm2

Fast, orthogonal, open multi-methods. Solve the Expression Problem in C++17.
Yomm11

2.7 0.0 L4 Qt VS Yomm11

Open multi-methods for C++11
cxxtools

2.6 0.0 L1 Qt VS cxxtools

www.tntnet.org
Apache C++ Standard Library

2.4 0.0 L1 Qt VS Apache C++ Standard Library

Mirror of Apache C++ Standard Library
MiLi

1.7 - Qt VS MiLi

Minimal headers-only C++ Library. [Boost]
XPLPC - Cross Platform Lite Procedure Call

1.1 10.0 Qt VS XPLPC - Cross Platform Lite Procedure Call

Cross Platform Lite Procedure Call
Windows Template Library

- Qt VS Windows Template Library

A C++ library for developing Windows applications and UI components. [Public]
Ultimate++

- Qt VS Ultimate++

A C++ cross-platform rapid application development framework. [BSD]
STLport

- Qt VS STLport

An exemplary version of STL. [Free]
GLib

- Qt VS GLib

GLib provides the core application building blocks for libraries and applications written in C. [LGPL]
ROOT

- Qt VS ROOT

A set of OO frameworks with all the functionality needed to handle and analyze large amounts of data in a very efficient way. Used at CERN. [LGPL]
Reason

- Qt VS Reason

A cross platform framework designed to bring the ease of use of Java, .Net, or Python to developers who require the performance and strength of C++. [GPL2]
Cxxomfort

- Qt VS Cxxomfort

A small, header-only library that backports to C++03 some of the nifty C++11 goodies. [MIT]
ASL

- Qt VS ASL

Adobe Source Libraries provides peer-reviewed and portable C++ source libraries. [MIT]