diff --git a/config/artifact.yaml b/config/artifact.yaml
index cfbb832d..d01d6267 100644
--- a/config/artifact.yaml
+++ b/config/artifact.yaml
@@ -41,6 +41,21 @@ fastlz:
     license-files: ['LICENSE.MIT']
     license: MIT
 
+openssl:
+  source:
+    type: ghrel
+    repo: openssl/openssl
+    match: 'openssl.+\.tar\.gz'
+    prefer-stable: true
+  source-mirror:
+    type: filelist
+    url: 'https://www.openssl.org/source/'
+    regex: '/href="(?<file>openssl-(?<version>[^"]+)\.tar\.gz)"/'
+  binary: hosted
+  metadata:
+    license-files: ['LICENSE.txt']
+    license: OpenSSL
+
 zlib:
   source:
     type: ghrel
diff --git a/config/pkg.lib.yaml b/config/pkg.lib.yaml
index f38a5512..7c4df000 100644
--- a/config/pkg.lib.yaml
+++ b/config/pkg.lib.yaml
@@ -28,6 +28,16 @@ fastlz:
     - fastlz.h
   artifact: fastlz
 
+openssl:
+  type: library
+  static-libs@unix:
+    - libssl.a
+    - libcrypto.a
+  headers: ['openssl']
+  depends:
+    - zlib
+  artifact: openssl
+
 zlib:
   type: library
   static-libs@unix:
diff --git a/src/Package/Artifact/openssl.php b/src/Package/Artifact/openssl.php
new file mode 100644
index 00000000..8809d9ce
--- /dev/null
+++ b/src/Package/Artifact/openssl.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Package\Artifact;
+
+use StaticPHP\Attribute\Artifact\AfterSourceExtract;
+use StaticPHP\Attribute\PatchDescription;
+use StaticPHP\Util\FileSystem;
+
+/**
+ * openssl artifact patches.
+ */
+class openssl
+{
+    /**
+     * Patch OpenSSL 1.1 for Darwin (missing string.h include).
+     */
+    #[AfterSourceExtract('openssl')]
+    #[PatchDescription('Patch OpenSSL 1.1 for Darwin (missing string.h include)')]
+    public function patchOpenssl11Darwin(string $target_path): void
+    {
+        spc_skip_if(PHP_OS_FAMILY !== 'Darwin', 'This patch is only for Darwin systems.');
+
+        spc_skip_if(file_exists("{$target_path}/openssl/VERSION.dat"), 'This patch is only for OpenSSL 1.1.x versions.');
+
+        spc_skip_if(!file_exists("{$target_path}/openssl/test/v3ext.c"), 'v3ext.c not found, skipping patch.');
+
+        FileSystem::replaceFileStr(
+            SOURCE_PATH . '/openssl/test/v3ext.c',
+            '#include <stdio.h>',
+            '#include <stdio.h>' . PHP_EOL . '#include <string.h>'
+        );
+    }
+}
diff --git a/src/Package/Library/openssl.php b/src/Package/Library/openssl.php
new file mode 100644
index 00000000..e0ee9edc
--- /dev/null
+++ b/src/Package/Library/openssl.php
@@ -0,0 +1,89 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Package\Library;
+
+use StaticPHP\Attribute\Package\BuildFor;
+use StaticPHP\Attribute\Package\Library;
+use StaticPHP\Package\LibraryPackage;
+use StaticPHP\Util\FileSystem;
+
+#[Library('openssl')]
+class openssl
+{
+    #[BuildFor('Darwin')]
+    public function buildForDarwin(LibraryPackage $pkg): void
+    {
+        $zlib_libs = $pkg->getInstaller()->getLibraryPackage('zlib')->getStaticLibFiles();
+        $arch = getenv('SPC_ARCH');
+
+        shell()->cd($pkg->getSourceDir())->initializeEnv($pkg)
+            ->exec(
+                './Configure no-shared zlib ' .
+                "--prefix={$pkg->getBuildRootPath()} " .
+                '--libdir=lib ' .
+                '--openssldir=/etc/ssl ' .
+                "darwin64-{$arch}-cc"
+            )
+            ->exec('make clean')
+            ->exec("make -j{$pkg->getBuilder()->concurrency} CNF_EX_LIBS=\"{$zlib_libs}\"")
+            ->exec('make install_sw');
+        $this->patchPkgConfig($pkg);
+    }
+
+    #[BuildFor('Linux')]
+    public function build(LibraryPackage $lib): void
+    {
+        $arch = getenv('SPC_ARCH');
+
+        $env = "CC='" . getenv('CC') . ' -idirafter ' . BUILD_INCLUDE_PATH .
+            ' -idirafter /usr/include/ ' .
+            ' -idirafter /usr/include/' . getenv('SPC_ARCH') . '-linux-gnu/ ' .
+            "' ";
+
+        $ex_lib = trim($lib->getInstaller()->getLibraryPackage('zlib')->getStaticLibFiles()) . ' -ldl -pthread';
+        $zlib_extra =
+            '--with-zlib-include=' . BUILD_INCLUDE_PATH . ' ' .
+            '--with-zlib-lib=' . BUILD_LIB_PATH . ' ';
+
+        $openssl_dir = getenv('OPENSSLDIR') ?: null;
+        // TODO: in v3 use the following: $openssl_dir ??= SystemUtil::getOSRelease()['dist'] === 'redhat' ? '/etc/pki/tls' : '/etc/ssl';
+        $openssl_dir ??= '/etc/ssl';
+        $ex_lib = trim($ex_lib);
+
+        shell()->cd($lib->getSourceDir())->initializeEnv($lib)
+            ->exec(
+                "{$env} ./Configure no-shared zlib " .
+                "--prefix={$lib->getBuildRootPath()} " .
+                "--libdir={$lib->getLibDir()} " .
+                "--openssldir={$openssl_dir} " .
+                "{$zlib_extra}" .
+                'enable-pie ' .
+                'no-legacy ' .
+                'no-tests ' .
+                "linux-{$arch}"
+            )
+            ->exec('make clean')
+            ->exec("make -j{$lib->getBuilder()->concurrency} CNF_EX_LIBS=\"{$ex_lib}\"")
+            ->exec('make install_sw');
+        $this->patchPkgConfig($lib);
+    }
+
+    private function patchPkgConfig(LibraryPackage $pkg): void
+    {
+        $pkg->patchPkgconfPrefix(['libssl.pc', 'openssl.pc', 'libcrypto.pc']);
+        // patch for openssl 3.3.0+
+        if (!str_contains($file = FileSystem::readFile("{$pkg->getLibDir()}/pkgconfig/libssl.pc"), 'prefix=')) {
+            FileSystem::writeFile("{$pkg->getLibDir()}/pkgconfig/libssl.pc", "prefix={$pkg->getBuildRootPath()}\n{$file}");
+        }
+        if (!str_contains($file = FileSystem::readFile("{$pkg->getLibDir()}/pkgconfig/openssl.pc"), 'prefix=')) {
+            FileSystem::writeFile("{$pkg->getLibDir()}/pkgconfig/openssl.pc", "prefix={$pkg->getBuildRootPath()}\n{$file}");
+        }
+        if (!str_contains($file = FileSystem::readFile("{$pkg->getLibDir()}/pkgconfig/libcrypto.pc"), 'prefix=')) {
+            FileSystem::writeFile("{$pkg->getLibDir()}/pkgconfig/libcrypto.pc", "prefix={$pkg->getBuildRootPath()}\n{$file}");
+        }
+        FileSystem::replaceFileRegex("{$pkg->getLibDir()}/pkgconfig/libcrypto.pc", '/Libs.private:.*/m', 'Requires.private: zlib');
+        FileSystem::replaceFileRegex("{$pkg->getLibDir()}/cmake/OpenSSL/OpenSSLConfig.cmake", '/set\(OPENSSL_LIBCRYPTO_DEPENDENCIES .*\)/m', 'set(OPENSSL_LIBCRYPTO_DEPENDENCIES "${OPENSSL_LIBRARY_DIR}/libz.a")');
+    }
+}
diff --git a/src/StaticPHP/Package/LibraryPackage.php b/src/StaticPHP/Package/LibraryPackage.php
index 97ec8007..1cdd229e 100644
--- a/src/StaticPHP/Package/LibraryPackage.php
+++ b/src/StaticPHP/Package/LibraryPackage.php
@@ -7,6 +7,7 @@ namespace StaticPHP\Package;
 use StaticPHP\Config\PackageConfig;
 use StaticPHP\Exception\PatchException;
 use StaticPHP\Util\FileSystem;
+use StaticPHP\Util\SPCConfigUtil;
 
 /**
  * Represents a library package with platform-specific build functions.
@@ -159,6 +160,16 @@ class LibraryPackage extends Package
         }
     }
 
+    /**
+     * Get static library files for current package and its dependencies.
+     */
+    public function getStaticLibFiles(): string
+    {
+        $config = new SPCConfigUtil(['libs_only_deps' => true, 'absolute_libs' => true]);
+        $res = $config->config([$this->getName()]);
+        return $res['libs'];
+    }
+
     /**
      * Get extra LIBS for current package.
      * You need to define the environment variable in the format of {LIBRARY_NAME}_LIBS
diff --git a/src/StaticPHP/Package/Package.php b/src/StaticPHP/Package/Package.php
index aa8ab6f0..943d03b0 100644
--- a/src/StaticPHP/Package/Package.php
+++ b/src/StaticPHP/Package/Package.php
@@ -135,6 +135,22 @@ abstract class Package
         return isset($this->build_functions[PHP_OS_FAMILY]);
     }
 
+    /**
+     * Get the PackageBuilder instance for this package.
+     */
+    public function getBuilder(): PackageBuilder
+    {
+        return ApplicationContext::get(PackageBuilder::class);
+    }
+
+    /**
+     * Get the PackageInstaller instance for this package.
+     */
+    public function getInstaller(): PackageInstaller
+    {
+        return ApplicationContext::get(PackageInstaller::class);
+    }
+
     /**
      * Get the name of the package.
      */
diff --git a/src/StaticPHP/Package/PackageInstaller.php b/src/StaticPHP/Package/PackageInstaller.php
index ae3b7346..c4262d9a 100644
--- a/src/StaticPHP/Package/PackageInstaller.php
+++ b/src/StaticPHP/Package/PackageInstaller.php
@@ -402,11 +402,64 @@ class PackageInstaller
         return SPC_STATUS_INSTALLED;
     }
 
+    /**
+     * @internal internally calling only, for users, please use specific getter, such as 'getLibraryPackage', 'getTaretPackage', etc
+     * @param string $package_name Package name
+     */
     public function getPackage(string $package_name): ?Package
     {
         return $this->packages[$package_name] ?? null;
     }
 
+    /**
+     * Get a library package by name.
+     *
+     * @param  string              $package_name Package name
+     * @return null|LibraryPackage The library package instance or null if not found
+     */
+    public function getLibraryPackage(string $package_name): ?LibraryPackage
+    {
+        $pkg = $this->getPackage($package_name);
+        if ($pkg instanceof LibraryPackage) {
+            return $pkg;
+        }
+        return null;
+    }
+
+    /**
+     * Get a target package by name.
+     *
+     * @param  string             $package_name Package name
+     * @return null|TargetPackage The target package instance or null if not found
+     */
+    public function getTargetPackage(string $package_name): ?TargetPackage
+    {
+        $pkg = $this->getPackage($package_name);
+        if ($pkg instanceof TargetPackage) {
+            return $pkg;
+        }
+        return null;
+    }
+
+    /**
+     * Get a PHP extension by name.
+     *
+     * @param  string                   $package_or_ext_name Extension name
+     * @return null|PhpExtensionPackage The target package instance or null if not found
+     */
+    public function getPhpExtensionPackage(string $package_or_ext_name): ?PhpExtensionPackage
+    {
+        $pkg = $this->getPackage($package_or_ext_name);
+        if ($pkg instanceof PhpExtensionPackage) {
+            return $pkg;
+        }
+        $pkg = $this->getPackage("ext-{$package_or_ext_name}");
+        if ($pkg instanceof PhpExtensionPackage) {
+            return $pkg;
+        }
+        return null;
+    }
+
     /**
      * Validate that a package has required artifacts.
      */
diff --git a/src/StaticPHP/Util/SPCConfigUtil.php b/src/StaticPHP/Util/SPCConfigUtil.php
index c525f8c7..3a20e56f 100644
--- a/src/StaticPHP/Util/SPCConfigUtil.php
+++ b/src/StaticPHP/Util/SPCConfigUtil.php
@@ -209,18 +209,21 @@ class SPCConfigUtil
         $frameworks = [];
 
         foreach ($packages as $package) {
-            // add pkg-configs libs
-            $pkg_configs = PackageConfig::get($package, 'pkg-configs', []);
-            foreach ($pkg_configs as $pkg_config) {
-                if (!file_exists(BUILD_LIB_PATH . "/pkgconfig/{$pkg_config}.pc")) {
-                    throw new WrongUsageException("pkg-config file '{$pkg_config}.pc' for lib [{$package}] does not exist in '" . BUILD_LIB_PATH . "/pkgconfig'. Please build it first.");
+            // parse pkg-configs only for unix systems
+            if (SystemTarget::isUnix()) {
+                // add pkg-configs libs
+                $pkg_configs = PackageConfig::get($package, 'pkg-configs', []);
+                foreach ($pkg_configs as $pkg_config) {
+                    if (!file_exists(BUILD_LIB_PATH . "/pkgconfig/{$pkg_config}.pc")) {
+                        throw new WrongUsageException("pkg-config file '{$pkg_config}.pc' for lib [{$package}] does not exist in '" . BUILD_LIB_PATH . "/pkgconfig'. Please build it first.");
+                    }
+                }
+                $pkg_configs = implode(' ', $pkg_configs);
+                if ($pkg_configs !== '') {
+                    // static libs with dependencies come in reverse order, so reverse this too
+                    $pc_libs = array_reverse(PkgConfigUtil::getLibsArray($pkg_configs));
+                    $lib_names = [...$lib_names, ...$pc_libs];
                 }
-            }
-            $pkg_configs = implode(' ', $pkg_configs);
-            if ($pkg_configs !== '') {
-                // static libs with dependencies come in reverse order, so reverse this too
-                $pc_libs = array_reverse(PkgConfigUtil::getLibsArray($pkg_configs));
-                $lib_names = [...$lib_names, ...$pc_libs];
             }
             // convert all static-libs to short names
             $libs = array_reverse(PackageConfig::get($package, 'static-libs', []));