diff --git a/.goreleaser.yml b/.goreleaser.yml
index eaeacb4..6dc5483 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -43,6 +43,26 @@ nfpms:
       - rpm
       - apk
 
+brews:
+  - repository:
+      owner: nasimstg
+      name: homebrew-tap
+    homepage: "https://github.com/nasimstg/xenvsync"
+    description: "Encrypt, commit, and inject .env secrets — no cloud required"
+    license: "MIT"
+    install: |
+      bin.install "xenvsync"
+    test: |
+      system "#{bin}/xenvsync", "version"
+
+scoops:
+  - repository:
+      owner: nasimstg
+      name: scoop-bucket
+    homepage: "https://github.com/nasimstg/xenvsync"
+    description: "Encrypt, commit, and inject .env secrets — no cloud required"
+    license: "MIT"
+
 changelog:
   sort: asc
   filters:
diff --git a/README.md b/README.md
index 45c399a..9558e67 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,13 @@
 ## Install
 
 ```bash
+# Homebrew (macOS / Linux)
+brew install nasimstg/tap/xenvsync
+
+# Scoop (Windows)
+scoop bucket add nasimstg https://github.com/nasimstg/scoop-bucket
+scoop install xenvsync
+
 # npm
 npm install -g @nasimstg/xenvsync
 
@@ -42,6 +49,9 @@ npx @nasimstg/xenvsync
 
 # Go 1.22+
 go install github.com/nasimstg/xenvsync@latest
+
+# Nix
+nix run github:nasimstg/xenvsync
 ```
 
 Or download a prebuilt binary from [Releases](https://github.com/nasimstg/xenvsync/releases).
@@ -56,6 +66,16 @@ make build
 ```
 </details>
 
+<details>
+<summary>Arch Linux (AUR)</summary>
+
+```bash
+git clone https://aur.archlinux.org/xenvsync.git
+cd xenvsync
+makepkg -si
+```
+</details>
+
 ## Quick Start
 
 ```bash
@@ -220,6 +240,9 @@ xenvsync/
 │   ├── docker/                    # Dockerfile, compose, entrypoint
 │   ├── ci/                        # GitHub Actions, GitLab, CircleCI, Bitbucket
 │   └── hooks/                     # Git pre-commit hook
+├── packaging/
+│   └── aur/                       # Arch Linux AUR PKGBUILD
+├── flake.nix                      # Nix flake for NixOS / nix users
 ├── Makefile                       # build, test, lint, install
 ├── .goreleaser.yml                # cross-platform release builds
 └── .github/workflows/ci.yml       # CI: test matrix, lint, release
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..7dc7ac5
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,40 @@
+{
+  description = "xenvsync - Encrypt, commit, and inject .env secrets";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        packages.default = pkgs.buildGoModule {
+          pname = "xenvsync";
+          version = "1.9.0";
+          src = ./.;
+          vendorHash = null;
+
+          ldflags = [
+            "-s" "-w"
+            "-X main.version=${self.packages.${system}.default.version}"
+          ];
+
+          meta = with pkgs.lib; {
+            description = "Encrypt, commit, and inject .env secrets — no cloud required";
+            homepage = "https://github.com/nasimstg/xenvsync";
+            license = licenses.mit;
+            maintainers = [];
+            mainProgram = "xenvsync";
+          };
+        };
+
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [ go gopls golangci-lint ];
+        };
+      }
+    );
+}
diff --git a/packaging/aur/PKGBUILD b/packaging/aur/PKGBUILD
new file mode 100644
index 0000000..4b7763b
--- /dev/null
+++ b/packaging/aur/PKGBUILD
@@ -0,0 +1,23 @@
+# Maintainer: Md Nasim Sheikh <nasim.stg@gmail.com>
+pkgname=xenvsync
+pkgver=1.9.0
+pkgrel=1
+pkgdesc="Encrypt, commit, and inject .env secrets — no cloud required"
+arch=('x86_64' 'aarch64')
+url="https://github.com/nasimstg/xenvsync"
+license=('MIT')
+makedepends=('go')
+source=("${pkgname}-${pkgver}.tar.gz::https://github.com/nasimstg/xenvsync/archive/v${pkgver}.tar.gz")
+sha256sums=('SKIP')
+
+build() {
+  cd "${pkgname}-${pkgver}"
+  export CGO_ENABLED=0
+  go build -ldflags "-s -w -X main.version=${pkgver}" -o "${pkgname}" .
+}
+
+package() {
+  cd "${pkgname}-${pkgver}"
+  install -Dm755 "${pkgname}" "${pkgdir}/usr/bin/${pkgname}"
+  install -Dm644 LICENSE "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
+}
diff --git a/website/src/app/docs/installation/page.tsx b/website/src/app/docs/installation/page.tsx
index 3e45279..4f96f8e 100644
--- a/website/src/app/docs/installation/page.tsx
+++ b/website/src/app/docs/installation/page.tsx
@@ -20,6 +20,19 @@ export default function Installation() {
         description="Multiple ways to install xenvsync on any platform."
       />
 
+      <Section title="Homebrew (macOS / Linux)">
+        <CodeBlock title="Install via Homebrew" language="bash">
+          {`$ brew install nasimstg/tap/xenvsync`}
+        </CodeBlock>
+      </Section>
+
+      <Section title="Scoop (Windows)">
+        <CodeBlock title="Install via Scoop" language="bash">
+{`$ scoop bucket add nasimstg https://github.com/nasimstg/scoop-bucket
+$ scoop install xenvsync`}
+        </CodeBlock>
+      </Section>
+
       <Section title="npm (Quickest)">
         <CodeBlock title="Install globally" language="bash">
           {`$ npm install -g @nasimstg/xenvsync`}
@@ -87,6 +100,24 @@ $ make build`}
         </p>
       </Section>
 
+      <Section title="Nix Flake">
+        <CodeBlock title="Run with Nix" language="bash">
+{`# Run without installing
+$ nix run github:nasimstg/xenvsync
+
+# Add to your flake inputs
+$ nix profile install github:nasimstg/xenvsync`}
+        </CodeBlock>
+      </Section>
+
+      <Section title="Arch Linux (AUR)">
+        <CodeBlock title="Install from AUR" language="bash">
+{`$ git clone https://aur.archlinux.org/xenvsync.git
+$ cd xenvsync
+$ makepkg -si`}
+        </CodeBlock>
+      </Section>
+
       <Section title="Verify">
         <CodeBlock title="Check version" language="bash">
 {`$ xenvsync version
@@ -120,8 +151,9 @@ xenvsync v0.1.0
           Replace the binary with a newer version. Config files are forward-compatible.
         </p>
         <CodeBlock language="bash">
-{`$ npm update -g xenvsync
-# or
+{`$ brew upgrade xenvsync
+$ scoop update xenvsync
+$ npm update -g @nasimstg/xenvsync
 $ go install github.com/nasimstg/xenvsync@latest`}
         </CodeBlock>
       </Section>
diff --git a/website/src/components/Search.tsx b/website/src/components/Search.tsx
index cfbed79..1a71abe 100644
--- a/website/src/components/Search.tsx
+++ b/website/src/components/Search.tsx
@@ -60,6 +60,15 @@ const searchIndex: SearchEntry[] = [
   },
 
   // Installation
+  {
+    href: "/docs/installation",
+    title: "Installation",
+    section: "Docs",
+    heading: "Homebrew & Scoop",
+    keywords: ["homebrew", "brew", "scoop", "windows", "macos", "linux", "tap", "bucket"],
+    content:
+      "Install via Homebrew on macOS and Linux with brew install nasimstg/tap/xenvsync. Install via Scoop on Windows with scoop bucket add nasimstg and scoop install xenvsync.",
+  },
   {
     href: "/docs/installation",
     title: "Installation",
@@ -78,6 +87,15 @@ const searchIndex: SearchEntry[] = [
     content:
       "Prebuilt binaries available on GitHub Releases for Linux macOS Windows. Package manager support with deb and rpm. Download tar.gz or zip from releases page.",
   },
+  {
+    href: "/docs/installation",
+    title: "Installation",
+    section: "Docs",
+    heading: "Nix & AUR",
+    keywords: ["nix", "flake", "nixos", "aur", "arch", "linux", "makepkg"],
+    content:
+      "Install with Nix using nix run github:nasimstg/xenvsync or add to your flake inputs. Arch Linux users can build from AUR with makepkg.",
+  },
   {
     href: "/docs/installation",
     title: "Installation",