Added more Developer Resources.

Added NixOS Tools.

README.md

@@ -135,6 +135,12 @@
  - [Home Manager - NixOS Wiki](https://nixos.wiki/wiki/Home_Manager)
  
  - [What Is Nix — Developer Tooling | Shopify Engineering](https://shopify.engineering/what-is-nix)
+ 
+ - [NixOS configurations collection](https://nixos.wiki/wiki/Configuration_Collection)
+ 
+ - [Install and Configure NixOS on a Linode](https://www.linode.com/docs/guides/install-nixos-on-linode/)
+ 
+ - [Zero to Nix from Determinate Systems](https://zero-to-nix.com/start/install)
 
  - [Cheatsheet - NixOS Wiki](https://nixos.wiki/index.php?title=Cheatsheet&useskin=vector)
  
@@ -145,6 +151,8 @@
  - [Nix(A One Pager) - A one page introduction to Nix, the language](https://github.com/tazjin/nix-1p) 
  
  - [Nix Shorts](https://github.com/justinwoo/nix-shorts/)
+ 
+ - [How to Learn Nix tutorials by Ian Henry](https://ianthehenry.com/posts/how-to-learn-nix/)
 
  - [Getting started with Home Manager for Nix](https://ghedam.at/24353/tutorial-getting-started-with-home-manager-for-nix)
 
@@ -243,8 +251,6 @@
 
  - [Nixcloud-webservices](https://github.com/nixcloud/nixcloud-webservices) is a set of nixpkgs extension for web-related technologies.
 
- - [Krops](https://cgit.krebsco.de/krops/about/) is a stateless alternative to nixops with improved secret management.
-
  - [Mach-nix](https://github.com/DavHau/mach-nix) is a tool that makes it easy to create and share reproducible python environments or packages. Existing tools for python package management often suffer from reproducibility and complexity issues, requiring a multitude of tools and additional virtualization layers to work sufficiently. 
  
   - [Digga](https://github.com/divnix/digga) is a flake utility library that helps you declaratively craft and manage all three layers of your system environment within a single nix flakes repository:
@@ -322,6 +328,16 @@
  - [Nixpkgs-hammering](https://github.com/jtojnar/nixpkgs-hammering) is a nixpkg to beat your package expressions into a shape.
 
  - [Nix-alien](https://github.com/thiagokokada/nix-alien) is a tool to run unpatched binaries on Nix/NixOS easily.
+ 
+ - [Disko](https://github.com/nix-community/disko) is a declarative disk partitioning tool using Nix. 
+ 
+ - [NixOS on WSL](https://github.com/nix-community/NixOS-WSL) is a minimal root filesystem for running NixOS on WSL. It can be used with DistroLauncher as ```install.tar.gz``` or as input to ```wsl --import --version 2```.
+ 
+ - [Appvm](https://github.com/jollheef/appvm) is a simple application VMs (hypervisor-based sandbox) based on Nix package manager. It uses one read-only /nix directory for all appvms. So creating a new appvm (but not first) is just about one minute.
+
+ - [Deadnix](https://github.com/astro/deadnix) is a tool that scan ```.nix``` files for dead code (unused variable bindings).
+
+ - [nix2container](https://github.com/nlewo/nix2container) isa tool that provides an efficient container development workflow with images built by Nix: it doesn't write tarballs to the Nix store and allows to skip already pushed layers (without having to rebuild them).
 
 ## NixOS Desktop
 [Back to the Top](https://github.com/mikeroyal/NixOS-Guide#table-of-contents)