diff --git a/config/ext.json b/config/ext.json
index 3134ab7b..c47d53fd 100644
--- a/config/ext.json
+++ b/config/ext.json
@@ -43,6 +43,19 @@
     "calendar": {
         "type": "builtin"
     },
+    "clickhouse": {
+        "support": {
+            "Windows": "wip",
+            "BSD": "wip"
+        },
+        "type": "external",
+        "source": "ext-clickhouse",
+        "arg-type": "custom",
+        "cpp-extension": true,
+        "lib-suggests": [
+            "openssl"
+        ]
+    },
     "com_dotnet": {
         "support": {
             "BSD": "no",
@@ -160,6 +173,30 @@
     "exif": {
         "type": "builtin"
     },
+    "fastchart": {
+        "support": {
+            "Windows": "wip",
+            "BSD": "wip"
+        },
+        "type": "external",
+        "source": "ext-fastchart",
+        "lib-depends": [
+            "freetype"
+        ],
+        "lib-suggests": [
+            "libpng",
+            "libjpeg",
+            "libwebp"
+        ]
+    },
+    "fastjson": {
+        "support": {
+            "Windows": "wip",
+            "BSD": "wip"
+        },
+        "type": "external",
+        "source": "ext-fastjson"
+    },
     "ffi": {
         "support": {
             "Linux": "partial",
diff --git a/config/source.json b/config/source.json
index 258b35e3..2d918057 100644
--- a/config/source.json
+++ b/config/source.json
@@ -133,6 +133,16 @@
             "path": "LICENSE"
         }
     },
+    "ext-clickhouse": {
+        "type": "ghtagtar",
+        "repo": "iliaal/php_clickhouse",
+        "match": "tarball/refs/tags/\\d",
+        "path": "php-src/ext/clickhouse",
+        "license": {
+            "type": "file",
+            "path": "LICENSE"
+        }
+    },
     "ext-ds": {
         "type": "url",
         "url": "https://pecl.php.net/get/ds",
@@ -162,6 +172,24 @@
             "path": "LICENSE"
         }
     },
+    "ext-fastchart": {
+        "type": "ghtagtar",
+        "repo": "iliaal/fastchart",
+        "path": "php-src/ext/fastchart",
+        "license": {
+            "type": "file",
+            "path": "LICENSE"
+        }
+    },
+    "ext-fastjson": {
+        "type": "ghtagtar",
+        "repo": "iliaal/fastjson",
+        "path": "php-src/ext/fastjson",
+        "license": {
+            "type": "file",
+            "path": "LICENSE"
+        }
+    },
     "ext-glfw": {
         "type": "git",
         "url": "https://github.com/mario-deluna/php-glfw",
diff --git a/src/SPC/builder/extension/clickhouse.php b/src/SPC/builder/extension/clickhouse.php
new file mode 100644
index 00000000..279bb5a2
--- /dev/null
+++ b/src/SPC/builder/extension/clickhouse.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\extension;
+
+use SPC\builder\Extension;
+use SPC\util\CustomExt;
+
+#[CustomExt('clickhouse')]
+class clickhouse extends Extension
+{
+    public function getUnixConfigureArg(bool $shared = false): string
+    {
+        $arg = '--enable-clickhouse' . ($shared ? '=shared' : '');
+        if ($this->builder->getLib('openssl')) {
+            $arg .= ' --enable-clickhouse-openssl';
+        }
+        return $arg;
+    }
+}