diff --git a/docs/src/individual-docs/languages/cplusplus.md b/docs/src/individual-docs/languages/cplusplus.md
index d3615c80f..26a4e44b9 100644
--- a/docs/src/individual-docs/languages/cplusplus.md
+++ b/docs/src/individual-docs/languages/cplusplus.md
@@ -1,4 +1,133 @@
+## Getting Started
 
+The easiest way to get started with C++ is to simply enable it:
+
+```nix
+languages.cplusplus = {
+  enable = true;
+};
+```
+
+This will automatically:
+
+- Use `clang` as the default C++ package
+- Install it along with CMake and other tools
+
+Alternatively, you can manually specify packages:
+
+```nix
+languages.cplusplus = {
+  enable = true;
+  package = pkgs.stdenv.cc;
+};
+```
+
+## Setting up the [Conan](https://conan.io/) package manager
+
+Add `conan-flake` to your inputs:
+
+```shell-session
+$ devenv inputs add conan-flake git+https://codeberg.org/tarcisio/conan-flake
+```
+
+You can check [the list of available options](/reference/options.md#languagescplusplusconanenable). The [`languages.cplusplus.conan.config`](/reference/options.md#languagescplusplusconanconfig) option, however, maps the whole of the options available in the [`conan-flake`](https://flake.parts/options/conan-flake.html) module — check the [official module documentation](https://flake.parts/options/conan-flake.html#options) and see the examples in [conan-flake's README file](https://codeberg.org/tarcisio/conan-flake/src/branch/main/README.md) to help you setting up.
+
+Config the `devenv.nix` file accordingly. For example:
+
+```nix
+languages.cplusplus = {
+  enable = true;
+  conan = {
+    enable = true;
+    install.enable = true;
+  };
+};
+```
+
+By default, when Conan is enabled:
+
+- The default C++ package is set to `config.stdenv.cc`
+- Conan is configured to use the same CMake available in the developmemnt shell
+
+### In Action:
+
+```shell-session
+$ devenv shell
+Building shell ...
+Entering shell ...
+
+conan profile show # This would show the default profile.
+```
+
+## Additional Examples
+
+### LLVM-based C++ Toolchain
+
+If you would like to integrate with the LLVM compiler infrastructure:
+
+```nix
+{ pkgs, ... }:
+
+{
+  languages.cplusplus = {
+    enable = true;
+    conan = {
+      enable = true;
+      install.enable = true;
+      config = {
+        stdenv = pkgs.overrideCC
+          (
+            pkgs.llvmPackages.libcxxStdenv.override {
+              targetPlatform.useLLVM = true;
+            }
+          )
+          pkgs.llvmPackages.clangUseLLVM;
+        # By default: compiler.libcxx=libstdc++11, so undo it:
+        compilerLibCxx = null;
+      };
+    };
+  };
+}
+```
+
+Or even:
+
+```nix
+{ pkgs, ... }:
+
+{
+  stdenv = pkgs.overrideCC
+    (
+      pkgs.llvmPackages.libcxxStdenv.override {
+        targetPlatform.useLLVM = true;
+      }
+    )
+    pkgs.llvmPackages.clangUseLLVM;
+
+  languages.cplusplus = {
+    enable = true;
+    conan = {
+      enable = true;
+      install.enable = true;
+      config = {
+        # By default: compiler.libcxx=libstdc++11, so undo it:
+        compilerLibCxx = null;
+      };
+    };
+  };
+}
+```
+
+### In Action:
+
+```shell-session
+$ devenv shell
+Building shell ...
+Entering shell ...
+
+conan profile show # This would show the default profile.
+conan create . --build=missing # This would create and test the current package.
+```
 
 [comment]: # (Please add your documentation on top of this line)
 
diff --git a/docs/src/individual-docs/languages/zig.md b/docs/src/individual-docs/languages/zig.md
index b49cbeea7..f3f00ab77 100644
--- a/docs/src/individual-docs/languages/zig.md
+++ b/docs/src/individual-docs/languages/zig.md
@@ -10,6 +10,7 @@ languages.zig = {
 ```
 
 This will automatically:
+
 - Use the specified Zig version from zig-overlay
 - Install the corresponding ZLS version (e.g., version "0.15.1" uses ZLS 0.15.0)
 
diff --git a/docs/src/languages/cplusplus.md b/docs/src/languages/cplusplus.md
index a145d67f7..03aa8c2e5 100644
--- a/docs/src/languages/cplusplus.md
+++ b/docs/src/languages/cplusplus.md
@@ -1,5 +1,134 @@
 [comment]: # (Do not edit this file as it is autogenerated. Go to docs/individual-docs if you want to make edits.)
+## Getting Started
 
+The easiest way to get started with C++ is to simply enable it:
+
+```nix
+languages.cplusplus = {
+  enable = true;
+};
+```
+
+This will automatically:
+
+- Use `clang` as the default C++ package
+- Install it along with CMake and other tools
+
+Alternatively, you can manually specify packages:
+
+```nix
+languages.cplusplus = {
+  enable = true;
+  package = pkgs.stdenv.cc;
+};
+```
+
+## Setting up the [Conan](https://conan.io/) package manager
+
+Add `conan-flake` to your inputs:
+
+```shell-session
+$ devenv inputs add conan-flake git+https://codeberg.org/tarcisio/conan-flake
+```
+
+You can check [the list of available options](/reference/options.md#languagescplusplusconanenable). The [`languages.cplusplus.conan.config`](/reference/options.md#languagescplusplusconanconfig) option, however, maps the whole of the options available in the [`conan-flake`](https://flake.parts/options/conan-flake.html) module — check the [official module documentation](https://flake.parts/options/conan-flake.html#options) and see the examples in [conan-flake's README file](https://codeberg.org/tarcisio/conan-flake/src/branch/main/README.md) to help you setting up.
+
+Config the `devenv.nix` file accordingly. For example:
+
+```nix
+languages.cplusplus = {
+  enable = true;
+  conan = {
+    enable = true;
+    install.enable = true;
+  };
+};
+```
+
+By default, when Conan is enabled:
+
+- The default C++ package is set to `config.stdenv.cc`
+- Conan is configured to use the same CMake available in the developmemnt shell
+
+### In Action:
+
+```shell-session
+$ devenv shell
+Building shell ...
+Entering shell ...
+
+conan profile show # This would show the default profile.
+```
+
+## Additional Examples
+
+### LLVM-based C++ Toolchain
+
+If you would like to integrate with the LLVM compiler infrastructure:
+
+```nix
+{ pkgs, ... }:
+
+{
+  languages.cplusplus = {
+    enable = true;
+    conan = {
+      enable = true;
+      install.enable = true;
+      config = {
+        stdenv = pkgs.overrideCC
+          (
+            pkgs.llvmPackages.libcxxStdenv.override {
+              targetPlatform.useLLVM = true;
+            }
+          )
+          pkgs.llvmPackages.clangUseLLVM;
+        # By default: compiler.libcxx=libstdc++11, so undo it:
+        compilerLibCxx = null;
+      };
+    };
+  };
+}
+```
+
+Or even:
+
+```nix
+{ pkgs, ... }:
+
+{
+  stdenv = pkgs.overrideCC
+    (
+      pkgs.llvmPackages.libcxxStdenv.override {
+        targetPlatform.useLLVM = true;
+      }
+    )
+    pkgs.llvmPackages.clangUseLLVM;
+
+  languages.cplusplus = {
+    enable = true;
+    conan = {
+      enable = true;
+      install.enable = true;
+      config = {
+        # By default: compiler.libcxx=libstdc++11, so undo it:
+        compilerLibCxx = null;
+      };
+    };
+  };
+}
+```
+
+### In Action:
+
+```shell-session
+$ devenv shell
+Building shell ...
+Entering shell ...
+
+conan profile show # This would show the default profile.
+conan create . --build=missing # This would create and test the current package.
+```
 
 [comment]: # (Please add your documentation on top of this line)
 
@@ -7,6 +136,8 @@
 
 ### languages\.cplusplus\.enable
 
+
+
 Whether to enable tools for C++ development\.
 
 
@@ -24,6 +155,188 @@ false
 
 
 
+*Example:*
+
+```nix
+true
+```
+
+*Declared by:*
+ - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+### languages\.cplusplus\.package
+
+
+
+The C++ compiler to use\.
+
+
+
+*Type:*
+package
+
+
+
+*Default:*
+
+```nix
+pkgs.clang
+```
+
+*Declared by:*
+ - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+### languages\.cplusplus\.cmake
+
+Configuration for cmake
+
+
+
+*Type:*
+submodule
+
+
+
+*Default:*
+
+```nix
+{ }
+```
+
+*Declared by:*
+ - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+### languages\.cplusplus\.cmake\.package
+
+
+
+The CMake package to use\.
+
+
+
+*Type:*
+package
+
+
+
+*Default:*
+
+```nix
+pkgs.cmake
+```
+
+*Declared by:*
+ - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+### languages\.cplusplus\.conan\.enable
+
+
+
+Whether to enable install conan\.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+
+```nix
+false
+```
+
+
+
+*Example:*
+
+```nix
+true
+```
+
+*Declared by:*
+ - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+### languages\.cplusplus\.conan\.package
+
+
+
+The conan package to use\.
+
+
+
+*Type:*
+package
+
+
+
+*Default:*
+
+```nix
+pkgs.conan
+```
+
+*Declared by:*
+ - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+### languages\.cplusplus\.conan\.config
+
+
+
+conan configuration\.
+
+
+
+*Type:*
+attribute set
+
+
+
+*Default:*
+
+```nix
+{ }
+```
+
+*Declared by:*
+ - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+### languages\.cplusplus\.conan\.install\.enable
+
+
+
+Whether to enable conan install during devenv initialisation\.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+
+```nix
+false
+```
+
+
+
 *Example:*
 
 ```nix
@@ -88,3 +401,56 @@ pkgs.ccls
 
 *Declared by:*
  - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+### languages\.cplusplus\.tools\.enable
+
+
+
+Whether to enable Standalone command line tools for C++ development\.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+Enabled by default for clang-based compilers
+
+
+
+*Example:*
+
+```nix
+true
+```
+
+*Declared by:*
+ - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+### languages\.cplusplus\.tools\.package
+
+
+
+The C++ command line tools package to use\.
+
+
+
+*Type:*
+package
+
+
+
+*Default:*
+
+```nix
+pkgs.clang-tools
+```
+
+*Declared by:*
+ - [https://github\.com/cachix/devenv/blob/main/src/modules/languages/cplusplus\.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
diff --git a/docs/src/languages/zig.md b/docs/src/languages/zig.md
index d68e0c1e8..72058b04a 100644
--- a/docs/src/languages/zig.md
+++ b/docs/src/languages/zig.md
@@ -11,6 +11,7 @@ languages.zig = {
 ```
 
 This will automatically:
+
 - Use the specified Zig version from zig-overlay
 - Install the corresponding ZLS version (e.g., version "0.15.1" uses ZLS 0.15.0)
 
diff --git a/docs/src/reference/options.md b/docs/src/reference/options.md
index abd394688..dee5573ea 100644
--- a/docs/src/reference/options.md
+++ b/docs/src/reference/options.md
@@ -14882,6 +14882,190 @@ false
 
 
 
+*Example:*
+
+```nix
+true
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+## languages.cplusplus.package
+
+
+
+The C++ compiler to use.
+
+
+
+*Type:*
+package
+
+
+
+*Default:*
+
+```nix
+pkgs.clang
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+## languages.cplusplus.cmake
+
+
+
+Configuration for cmake
+
+
+
+*Type:*
+submodule
+
+
+
+*Default:*
+
+```nix
+{ }
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+## languages.cplusplus.cmake.package
+
+
+
+The CMake package to use.
+
+
+
+*Type:*
+package
+
+
+
+*Default:*
+
+```nix
+pkgs.cmake
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+## languages.cplusplus.conan.enable
+
+
+
+Whether to enable install conan.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+
+```nix
+false
+```
+
+
+
+*Example:*
+
+```nix
+true
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+## languages.cplusplus.conan.package
+
+
+
+The conan package to use.
+
+
+
+*Type:*
+package
+
+
+
+*Default:*
+
+```nix
+pkgs.conan
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+## languages.cplusplus.conan.config
+
+
+
+conan configuration.
+
+
+
+*Type:*
+attribute set
+
+
+
+*Default:*
+
+```nix
+{ }
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+## languages.cplusplus.conan.install.enable
+
+
+
+Whether to enable conan install during devenv initialisation.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+
+```nix
+false
+```
+
+
+
 *Example:*
 
 ```nix
@@ -14949,6 +15133,59 @@ pkgs.ccls
 
 
 
+## languages.cplusplus.tools.enable
+
+
+
+Whether to enable Standalone command line tools for C++ development.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+Enabled by default for clang-based compilers
+
+
+
+*Example:*
+
+```nix
+true
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
+## languages.cplusplus.tools.package
+
+
+
+The C++ command line tools package to use.
+
+
+
+*Type:*
+package
+
+
+
+*Default:*
+
+```nix
+pkgs.clang-tools
+```
+
+*Declared by:*
+ - [https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix](https://github.com/cachix/devenv/blob/main/src/modules/languages/cplusplus.nix)
+
+
+
 ## languages.crystal.enable
 
 
diff --git a/src/modules/languages/cplusplus.nix b/src/modules/languages/cplusplus.nix
index e67933276..6be1f254c 100644
--- a/src/modules/languages/cplusplus.nix
+++ b/src/modules/languages/cplusplus.nix
@@ -2,11 +2,81 @@
 
 let
   cfg = config.languages.cplusplus;
+
+  inputArgs = {
+    name = "conan-flake";
+    url = "git+https://codeberg.org/tarcisio/conan-flake";
+    attribute = "conan";
+  };
+
+  # When enabled, use getInput (throws helpful error if missing)
+  # Otherwise, use tryGetInput to populate the docs when the input is available.
+  conan-flake =
+    if cfg.conan.enable then config.lib.getInput inputArgs else config.lib.tryGetInput inputArgs;
+
+  # Determine config root: prefer git.root, fallback to devenv.root
+  configRoot = if config.git.root != null then config.git.root else config.devenv.root;
+
+  conanSubmodule =
+    if conan-flake != null then
+    # We automatically configure Conan with the correct tree root for the project.
+      conan-flake.lib.submoduleWith pkgs { inherit configRoot; }
+    else
+      lib.types.attrs;
 in
 {
   options.languages.cplusplus = {
     enable = lib.mkEnableOption "tools for C++ development";
 
+    package = lib.mkOption {
+      type = lib.types.package;
+      default = pkgs.clang;
+      defaultText = lib.literalExpression "pkgs.clang";
+      description = "The C++ compiler to use.";
+    };
+
+    cmake = lib.mkOption {
+      type = lib.types.submodule {
+        options.package = lib.mkOption {
+          type = lib.types.package;
+          default = pkgs.cmake;
+          defaultText = lib.literalExpression "pkgs.cmake";
+          description = "The CMake package to use.";
+        };
+      };
+      description = "Configuration for cmake";
+      default = { };
+    };
+
+    tools = {
+      enable = lib.mkEnableOption "Standalone command line tools for C++ development" // {
+        default = cfg.package.isClang;
+        defaultText = lib.literalMD "Enabled by default for clang-based compilers";
+      };
+      package = lib.mkOption {
+        type = lib.types.package;
+        default = pkgs.clang-tools;
+        defaultText = lib.literalExpression "pkgs.clang-tools";
+        description = "The C++ command line tools package to use.";
+      };
+    };
+
+    conan = {
+      enable = lib.mkEnableOption "install conan";
+      package = lib.mkOption {
+        type = lib.types.package;
+        default = pkgs.conan;
+        defaultText = lib.literalExpression "pkgs.conan";
+        description = "The conan package to use.";
+      };
+      config = lib.mkOption {
+        type = conanSubmodule;
+        description = "conan configuration.";
+        default = { };
+      };
+      install.enable = lib.mkEnableOption "conan install during devenv initialisation";
+    };
+
     lsp = {
       enable = lib.mkEnableOption "C++ Language Server" // { default = true; };
       package = lib.mkOption {
@@ -18,11 +88,29 @@ in
     };
   };
 
-  config = lib.mkIf cfg.enable {
-    packages = with pkgs; [
-      clang-tools
-      cmake
-      clang
-    ] ++ lib.optional cfg.lsp.enable cfg.lsp.package;
-  };
+  config = lib.mkMerge [
+    (lib.mkIf cfg.enable {
+      packages = with pkgs; [
+        cfg.cmake.package
+        cfg.package
+      ]
+      ++ lib.optional cfg.tools.enable cfg.tools.package
+      ++ lib.optional cfg.lsp.enable cfg.lsp.package;
+    })
+
+    #
+    (lib.mkIf (cfg.enable && cfg.conan.enable) {
+      languages.cplusplus.conan.config.stdenv = lib.mkDefault config.stdenv;
+      languages.cplusplus.conan.config.package = lib.mkDefault cfg.conan.package;
+      languages.cplusplus.conan.config.platformToolRequires = lib.mkDefault {
+        cmake = cfg.cmake.package.version;
+      };
+      languages.cplusplus.package = lib.mkDefault cfg.conan.config.stdenv.cc;
+    })
+
+    #
+    (lib.mkIf (cfg.enable && cfg.conan.enable && cfg.conan.install.enable) {
+      inputsFrom = [ cfg.conan.config.outputs.devShell ];
+    })
+  ];
 }
diff --git a/tests/cplusplus-conan-llvm-devenv/devenv.nix b/tests/cplusplus-conan-llvm-devenv/devenv.nix
new file mode 100644
index 000000000..5e8913cb1
--- /dev/null
+++ b/tests/cplusplus-conan-llvm-devenv/devenv.nix
@@ -0,0 +1,36 @@
+{ pkgs, config, ... }:
+
+{
+  stdenv = pkgs.overrideCC
+    (
+      pkgs.llvmPackages.libcxxStdenv.override {
+        targetPlatform.useLLVM = true;
+      }
+    )
+    pkgs.llvmPackages.clangUseLLVM;
+
+  languages.cplusplus = {
+    enable = true;
+    conan = {
+      enable = true;
+      install.enable = true;
+      config = {
+        # By default: compiler.libcxx=libstdc++11, so undo it:
+        compilerLibCxx = null;
+      };
+    };
+  };
+
+  enterTest = ''
+    ${pkgs.lib.getExe config.languages.cplusplus.package} --version
+    ${pkgs.lib.getExe config.languages.cplusplus.package} --version \
+      | grep clang
+    ${pkgs.lib.getExe config.languages.cplusplus.cmake.package} --version
+    ${pkgs.lib.getExe config.languages.cplusplus.lsp.package} --version \
+      | grep ${pkgs.lib.escapeShellArg config.languages.cplusplus.lsp.package.version}
+    ${pkgs.lib.getExe config.languages.cplusplus.conan.package} --version
+    echo "enable:"${pkgs.lib.escapeShellArg config.languages.cplusplus.tools.enable}":" | grep "enable:1:"
+    ${pkgs.lib.getExe config.languages.cplusplus.conan.package} profile show \
+      | grep "cmake/"${pkgs.lib.escapeShellArg config.languages.cplusplus.cmake.package.version}
+  '';
+}
diff --git a/tests/cplusplus-conan-llvm-devenv/devenv.yaml b/tests/cplusplus-conan-llvm-devenv/devenv.yaml
new file mode 100644
index 000000000..0a9fd6c94
--- /dev/null
+++ b/tests/cplusplus-conan-llvm-devenv/devenv.yaml
@@ -0,0 +1,3 @@
+inputs:
+  conan-flake:
+    url: git+https://codeberg.org/tarcisio/conan-flake
diff --git a/tests/cplusplus-conan-llvm/devenv.nix b/tests/cplusplus-conan-llvm/devenv.nix
new file mode 100644
index 000000000..596cf8484
--- /dev/null
+++ b/tests/cplusplus-conan-llvm/devenv.nix
@@ -0,0 +1,34 @@
+{ pkgs, config, ... }:
+
+{
+  languages.cplusplus = {
+    enable = true;
+    conan = {
+      enable = true;
+      install.enable = true;
+      config = {
+        stdenv = pkgs.overrideCC
+          (
+            pkgs.llvmPackages.libcxxStdenv.override {
+              targetPlatform.useLLVM = true;
+            }
+          )
+          pkgs.llvmPackages.clangUseLLVM;
+        # By default: compiler.libcxx=libstdc++11, so undo it:
+        compilerLibCxx = null;
+      };
+    };
+  };
+  enterTest = ''
+    ${pkgs.lib.getExe config.languages.cplusplus.package} --version
+    ${pkgs.lib.getExe config.languages.cplusplus.package} --version \
+      | grep clang
+    ${pkgs.lib.getExe config.languages.cplusplus.cmake.package} --version
+    ${pkgs.lib.getExe config.languages.cplusplus.lsp.package} --version \
+      | grep ${pkgs.lib.escapeShellArg config.languages.cplusplus.lsp.package.version}
+    ${pkgs.lib.getExe config.languages.cplusplus.conan.package} --version
+    echo "enable:"${pkgs.lib.escapeShellArg config.languages.cplusplus.tools.enable}":" | grep "enable:1:"
+    ${pkgs.lib.getExe config.languages.cplusplus.conan.package} profile show \
+      | grep "cmake/"${pkgs.lib.escapeShellArg config.languages.cplusplus.cmake.package.version}
+  '';
+}
diff --git a/tests/cplusplus-conan-llvm/devenv.yaml b/tests/cplusplus-conan-llvm/devenv.yaml
new file mode 100644
index 000000000..0a9fd6c94
--- /dev/null
+++ b/tests/cplusplus-conan-llvm/devenv.yaml
@@ -0,0 +1,3 @@
+inputs:
+  conan-flake:
+    url: git+https://codeberg.org/tarcisio/conan-flake
diff --git a/tests/cplusplus-conan/devenv.nix b/tests/cplusplus-conan/devenv.nix
new file mode 100644
index 000000000..04c17f6a2
--- /dev/null
+++ b/tests/cplusplus-conan/devenv.nix
@@ -0,0 +1,20 @@
+{ pkgs, config, ... }:
+
+{
+  languages.cplusplus.enable = true;
+  languages.cplusplus.conan.enable = true;
+  languages.cplusplus.conan.install.enable = true;
+  enterTest = ''
+    ${pkgs.lib.getExe config.languages.cplusplus.package} --version
+    ${pkgs.lib.getExe config.languages.cplusplus.package} --version \
+      | grep ${pkgs.lib.escapeShellArg config.stdenv.cc.cc.pname}
+    ${pkgs.lib.getExe config.languages.cplusplus.cmake.package} --version
+    ${pkgs.lib.getExe config.languages.cplusplus.lsp.package} --version \
+      | grep ${pkgs.lib.escapeShellArg config.languages.cplusplus.lsp.package.version}
+    ${pkgs.lib.getExe config.languages.cplusplus.conan.package} --version
+    echo "enable:"${pkgs.lib.escapeShellArg config.languages.cplusplus.tools.enable}":" \
+      | grep "enable:"${pkgs.lib.escapeShellArg config.stdenv.cc.isClang}":"
+    ${pkgs.lib.getExe config.languages.cplusplus.conan.package} profile show \
+      | grep "cmake/"${pkgs.lib.escapeShellArg config.languages.cplusplus.cmake.package.version}
+  '';
+}
diff --git a/tests/cplusplus-conan/devenv.yaml b/tests/cplusplus-conan/devenv.yaml
new file mode 100644
index 000000000..0a9fd6c94
--- /dev/null
+++ b/tests/cplusplus-conan/devenv.yaml
@@ -0,0 +1,3 @@
+inputs:
+  conan-flake:
+    url: git+https://codeberg.org/tarcisio/conan-flake
diff --git a/tests/cplusplus/devenv.nix b/tests/cplusplus/devenv.nix
new file mode 100644
index 000000000..cd9f2937b
--- /dev/null
+++ b/tests/cplusplus/devenv.nix
@@ -0,0 +1,16 @@
+{ pkgs, config, ... }:
+
+{
+  languages.cplusplus.enable = true;
+  enterTest = ''
+    clang --version
+    ${pkgs.lib.getExe config.languages.cplusplus.package} --version \
+      | grep clang
+    cmake --version
+    ccls --version | grep ${pkgs.lib.escapeShellArg config.languages.cplusplus.lsp.package.version}
+    # Validate some clang-tools are in the path:
+    clang-doc --version
+    clang-format --version
+    clang-tidy --version
+  '';
+}