Vote/suggestions for the software and game reimplementations

PPSSPP or PS2 emulator

FPSE mesa

Games:
OpenWM (Morrowind)

Software:
Keepass (any version)
Kate (qt)
qemu
VNC COM:
update abc-shell or fish-shell

Edit:
Add Keepass

@kas1e "...The thing which i want to do is to port QT, but with fully rewriting to reaction, with implementing missing reaction classes..."

Oh wow! That will indeed pave the way for so many useful app ports!

KeePassXC (GPLv3) - A lightweight, offline password manager built with an optimised C++ codebase and native Qt Widgets, avoiding external runtime dependencies - https://github.com/keepassxreboot/keepassxc
Kate (LGPLv2+) - A powerful multi-document text editor featuring syntax highlighting, LSP code completion, Vi input emulation, and modular KDE Frameworks plugins - https://invent.kde.org/utilities/kate
FeatherPad (GPLv3) - A lightweight, tabbed plain-text editor offering instant launch times, regex search, syntax highlighting, and minimal system overhead - https://github.com/tsujan/FeatherPad
qBittorrent (GPLv2+) - A fast C++ BitTorrent client serving as a lean Qt front end to libtorrent-rasterbar, keeping memory usage and binary sizes low - https://github.com/qbittorrent/qBittorrent
TeXstudio (GPLv3) - A dedicated LaTeX IDE featuring syntax highlighting, live error checking, and an integrated Poppler PDF viewer with minimal dependencies - https://github.com/texstudio-org/texstudio
Wireshark (GPLv2) - The standard network packet analyser, combining a clean Qt GUI with thousands of complex protocol dissectors for real-time traffic inspection - https://gitlab.com/wireshark/wireshark
SpeedCrunch (GPLv2) - A high-precision, keyboard-driven scientific calculator offering instant launch times and a simple Qt Widgets interface without external runtimes - https://github.com/speedcrunch/SpeedCrunch
Calibre (GPLv3) - A comprehensive e-book management suite coupling a large Python codebase with Qt WebEngine for conversion, reading, and content serving - https://github.com/kovidgoyal/calibre
Okular (GPLv2+) - A universal KDE document viewer for PDFs and e-books, linking dedicated rendering backends into a modular Qt and KDE Frameworks shell - https://invent.kde.org/graphics/okular
Stellarium (GPLv2+) - An interactive 3D planetarium rendering celestial bodies in real time via OpenGL and Qt, packaged with massive astronomical catalogues - https://github.com/Stellarium/stellarium

Strawberry Music Player (GPLv3) - An audiophile music player and collection manager combining Qt Widgets with SQLite caching and GStreamer or VLC playback backends - https://github.com/strawberrymusicplayer/strawberry
MuseScore (GPLv3) - A music engraving suite featuring an intricate typographical layout engine, built-in synthesiser, bundled SoundFonts, and a Qt Quick interface - https://github.com/musescore/MuseScore
LMMS (Linux MultiMedia Studio)[/b] (GPLv2+) - A full digital audio workstation (DAW) featuring built-in synths, sample tools, VST bridging, and a comprehensive Qt pattern editor - https://github.com/LMMS/lmms
Mixxx (GPLv2+) - A live DJ mixing application with a low-latency audio pipeline, vinyl timecode tracking, MIDI support, and a GPU-accelerated Qt/QML UI - https://github.com/mixxxdj/mixxx

VLC Media Player (GPLv2+) - A universal media player whose nimble Qt front end acts as a modular control layer over libvlc's dynamic decoders and demuxers - https://code.videolan.org/videolan/vlc
Shotcut (GPLv3) - A cross-platform video editor utilising the MLT framework, FFmpeg, and a QML interface for multi-track editing and GPU filtering - https://github.com/mltframework/shotcut
Kdenlive (GPLv3) - A multi-track non-linear video editor built on KDE Frameworks, MLT, and FFmpeg, offering advanced compositing and proxy rendering pipelines - https://invent.kde.org/multimedia/kdenlive
Avidemux (GPLv2) - A simple video cutting and encoding utility wrapping custom demuxers and FFmpeg encoders into a lightweight, no-frills Qt interface - https://github.com/mean00/avidemux2

OBS Studio (GPLv2+) - A live-streaming and recording suite featuring real-time AV compositing pipelines, hardware encoder integrations, and a modular Qt docking UI - https://github.com/obsproject/obs-studio
Mumble (BSD-3-Clause) - A low-latency VoIP client pairing lightweight network sockets and Opus audio processing with a minimal Qt configuration interface - https://github.com/mumble-voip/mumble

Krita (GPLv3) - A digital painting and 2D animation suite containing multi-threaded brush engines, canvas acceleration, and LittleCMS colour management - https://invent.kde.org/graphics/krita
digiKam (GPLv2+) - An enterprise-grade photo manager and RAW editor featuring OpenCV neural facial recognition, LibRaw decoding, and database-backed organisation in Qt - https://invent.kde.org/graphics/digikam

UltiMaker Cura (LGPLv3) - A 3D printer slicing app pairing the C++ CuraEngine G-code generator with a PyQt/QML interface and interactive OpenGL print bed - https://github.com/Ultimaker/Cura
FreeCAD (LGPLv2+) - A parametric 3D CAD modeller integrating the Open CASCADE Technology kernel, Coin3D, and Python workbenches into a large Qt desktop suite - https://github.com/FreeCAD/FreeCAD
LibreCAD (GPLv2) - A dedicated 2D CAD application for schematics, handling geometric snap calculations and DXF parsing via a custom Qt rendering canvas - https://github.com/LibreCAD/LibreCAD
QGIS (GPLv2+) - An enterprise Geographic Information System (GIS) integrating GDAL, GEOS, PROJ, spatial databases, and cartographic engines into a massive Qt workspace - https://github.com/qgis/QGIS

Dolphin Emulator (GPLv2+) - A GameCube and Wii console emulator featuring a JIT CPU recompiler, DSP emulation, and low-level graphics translation within a Qt GUI - https://github.com/dolphin-emu/dolphin
PCSX2 (GPLv3) - A PlayStation 2 emulator powered by custom dynamic JIT recompilers for the Emotion Engine and hardware graphics emulators, wrapped in a multi-threaded Qt UI - https://github.com/PCSX2/pcsx2