questionman1 I you are not happy with alternatives then you can try to compile it from source.
wget https://github.com/tsujan/FeatherPad/releases/download/V0.18.0/FeatherPad-0.18.0.tar.xz
tar -xf FeatherPad-0.18.0.tar.xz
cd FeatherPad-0.18.0/
sudo eopkg it -c system.devel
sudo eopkg it qt5-svg-devel qt5-x11extras-devel libx11-devel libhunspell-devel
mkdir build && cd build
cmake ..
make
sudo make install