only move broken links

Author: Samueru-sama

README.md

@@ -75,6 +75,7 @@
 
 ### App centers
 
+- [NX Software Center](https://github.com/Nitrux/nx-software-center) - Portable Software Center for portable AppImage applications.
 - [AppImagePool](https://github.com/prateekmedia/appimagepool) - Simple, modern AppImageHub Client, powered by flutter.
 
 ### App scrapers
@@ -117,9 +118,10 @@ __Note:__ The AppImage format is explicitly designed _not to need any package ma
 - [appimage-manager](https://github.com/AppImageCrafters/appimage-manager) - Command-line tool for managing AppImages allowing to search, install, remove and update applications.
 - [bauh](https://github.com/vinifmor/bauh) - Graphical user interface for managing Linux applications supporting AppImage, Arch (repositories/AUR), Flatpak, Snap and native Web applications.
 - [homebrew-appimage](https://github.com/athrunsun/homebrew-appimage) - Linuxbrew AppImage Formulae.
+- [AIPM](https://github.com/michaeldelago/aipm) - A Package Manager for AppImages.
 - [Zap](https://github.com/srevinsaju/zap) - AppImage package manager. Downloads the AppImage if it does not exist. If it already exists, updates it with AppImageUpdate. Integrates AppImage into the system.
 - [RookiePM](https://github.com/18fadly-anthony/rookie) - Package manager for AppImages and Shell Scripts.
-- [AM](https://github.com/ivan-hc/AM) - AppImage Manager that works like APT or Pacman.
+- [AppMan](https://github.com/ivan-hc/AppMan) - AppImage Manager that works like APT or Pacman.
 - [jewelrystore](https://rubygems.org/gems/jewelrystore) - Command line AppImage store made in ruby.
 - [ayy](https://github.com/lawl/ayy) - Package manager for AppImage. Single, static, dependency free binary. Written in Go.
 - [leap](https://github.com/lnxcz/leap) - Fast and simple AppImage manager. Written in Rust.
@@ -130,8 +132,9 @@ __Note:__ The AppImage format is explicitly designed _not to need any package ma
 Although the AppImage format was carefully designed not to need any special support from Linux distributions, there are some that offer varying degrees of AppImage friendliness out of the box.
 
 - [Deepin](https://www.deepin.org/en/) - When you double-click an AppImage or any other executable file that lacks execute permissions, a user-friendly dialog explains the situation and asks for your permission to set the execute permission and execute the executable.
-- [Nitrux](https://nxos.org/) - Promotes the use of AppImage as the main format for getting applications.
+- [Nitrux](https://nxos.org/) - Promotes the use of AppImage as the main format for getting applications, has a built in app center featuring AppImages.
 - [Linux Mint](https://linuxmint.com/) - Has an [AppImage thumbnailer](https://github.com/linuxmint/xapp-thumbnailers) to show application icons on AppImage files.
+- [Zenwalk GNU Linux](http://www.zenwalk.org/) - Is "AppImage ready" and distributes some applications in AppImage format.
 
 ## AppImage developer tools
 
@@ -205,18 +208,19 @@ Although the AppImage format was carefully designed not to need any special supp
 - [make-portable](https://github.com/sudo-give-me-coffee/make-portable) - Deploys installed application to AppDir, uses strace to fetch all file system calls and copies all accessed files in to AppDir including glibc.
 - [AppImage cobbler](https://gitlab.com/brinkervii/appimage-cobbler) - Python application that takes strace.log and turns it into a directory suited for an AppImage.
 - [Elements](https://github.com/s-zeid/elements) - Tool to generate single-file, runc-based AppImages using a minimal (~3 MB compressed) Alpine Linux rootfs.
+- [arch2appimage](https://github.com/hanzala123/arch2appimage) - Python script to convert any Arch Linux package (official/AUR) to an AppImage.
 - [appimage-bash](https://github.com/valicm/appimage-bash) - GitHub Action for creating AppImage releases from binaries inside `.tar.gz` archives.
 - [Package-to-appimage](https://github.com/CausaPrincipalis71/package-to-appimage) - Tool for converting `.deb` and `.rpm` packages into AppImage format by using Docker.
 - [GMAppImager](https://github.com/samuelvenable/GMAppImager) - Graphically Converts GameMaker Studio 2 games to AppImage bundles.
 - [AppImaGen](https://github.com/ivan-hc/AppImaGen) - Generates an AppImage from Debian or from a PPA of your choice for the previous (unfortunately not the oldest as recommended) and still supported Ubuntu LTS.
 
 ### Metadata tools
 
-- [AppStream Generator](https://output.jsbin.com/qoqukof) - Very simple generator for AppStream MetaInfo files which application authors can use to add metadata (like descriptions, screenshots, links) to their AppImage.
 - [AppStream MetaInfo Creator](https://www.freedesktop.org/software/appstream/metainfocreator/#/) - More elaborate generator for AppStream MetaInfo files by the author of the AppStream metainfo format.
 
 ### QC tools
 
+- [appimage-testsuite](https://github.com/aferrero2707/appimage-testsuite) - AppImage testing environment based on Docker containers for various Linux distributions.
 - [appimagelint](https://github.com/TheAssassin/appimagelint) - Tool to check AppImages for compatibility, best practices etc.
 
 ### Continuous integration
@@ -229,6 +233,7 @@ Although the AppImage format was carefully designed not to need any special supp
 
 ### Libraries
 
+- [QAppImageUpdate](https://github.com/antony-jr/QAppImageUpdate) - Qt5 library and plugin for updating AppImages, can be embedded into applications.
 - [AppImageServices](https://github.com/azubieta/AppImageServices) - D-Bus services providing a high-level interface over the AppImage manipulation libraries for file managers, software centers and other tools.
 - [libappimage](https://github.com/AppImage/libappimage) - Implements functionality for dealing with AppImage files, written in C++ using Boost.
 - [libzsync-go](https://github.com/AppImageCrafters/libzsync-go) - Zsync implementation written in Go that can be used to update AppImages.
@@ -307,3 +312,10 @@ Although the AppImage format was carefully designed not to need any special supp
 
 - [awesome-linuxdeploy](https://github.com/linuxdeploy/awesome-linuxdeploy) - Awesome list on linuxdeploy.
 - [All Awesome Lists](https://github.com/topics/awesome) - All the Awesome lists on GitHub.
+
+### Expired links
+- [App Outlet](https://app-outlet.github.io/) - Universal app store that works with AppImages, Flatpaks and Snaps.
+- [appimage2desktop](https://github.com/me1ting/appimage2desktop) - Creates a desktop file and an icon in the system for an AppImage, nothing else.
+- [AppImage-Integrator](https://github.com/w-j-r/AppImage-Integrator) - A simple program to integrate AppImages into the Linux desktop written in Qt6.
+- [Get AppImage](https://g.sreve/get-appimage/) - Collection of all AppImages in one website. Great search functionality.
+- [AppStream Generator](https://output.jsbin.com/qoqukof) - Very simple generator for AppStream MetaInfo files which application authors can use to add metadata (like descriptions, screenshots, links) to their AppImage.