diff --git a/Cargo.lock b/Cargo.lock
index 6a22544..98e2e22 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -40,6 +40,29 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "bindgen"
+version = "0.69.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ffcebc3849946a7170a05992aac39da343a90676ab392c51a4280981d6379c2"
+dependencies = [
+ "bitflags",
+ "cexpr",
+ "clang-sys",
+ "lazy_static",
+ "lazycell",
+ "log",
+ "peeking_take_while",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 2.0.41",
+ "which",
+]
+
 [[package]]
 name = "bitflags"
 version = "2.4.1"
@@ -86,6 +109,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-expr"
 version = "0.15.5"
@@ -102,6 +134,17 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "clang-sys"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c688fc74432808e3eb684cae8830a86be1d66a2bd58e1f248ed0960a590baf6f"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "concurrent-queue"
 version = "2.4.0"
@@ -129,6 +172,7 @@ dependencies = [
  "futures-channel",
  "futures-util",
  "gettext-rs",
+ "graphviz-sys",
  "gsettings-macro",
  "gtk4",
  "libadwaita",
@@ -180,12 +224,28 @@ dependencies = [
  "syn 2.0.41",
 ]
 
+[[package]]
+name = "either"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+
 [[package]]
 name = "equivalent"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "errno"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
 [[package]]
 name = "event-listener"
 version = "4.0.0"
@@ -439,6 +499,12 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "gobject-sys"
 version = "0.18.0"
@@ -473,6 +539,14 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "graphviz-sys"
+version = "0.1.4-alpha.0"
+dependencies = [
+ "bindgen",
+ "pkg-config",
+]
+
 [[package]]
 name = "gsettings-macro"
 version = "0.1.20"
@@ -586,6 +660,15 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
+[[package]]
+name = "home"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3d1354bf6b7235cb4a0576c2619fd4ed18183f689b12b006a0ee7329eeff9a5"
+dependencies = [
+ "windows-sys",
+]
+
 [[package]]
 name = "if_chain"
 version = "1.0.2"
@@ -631,6 +714,12 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
+[[package]]
+name = "lazycell"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+
 [[package]]
 name = "libadwaita"
 version = "0.5.3"
@@ -669,6 +758,22 @@ version = "0.2.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "302d7ab3130588088d277783b1e2d2e10c9e9e4a16dd9050e6ec93fb3e7048f4"
 
+[[package]]
+name = "libloading"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b67380fd3b2fbe7527a606e18729d21c6f3951633d0500574c4dc22d2d638b9f"
+dependencies = [
+ "cfg-if",
+ "winapi",
+]
+
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456"
+
 [[package]]
 name = "locale_config"
 version = "0.3.0"
@@ -712,6 +817,22 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -794,6 +915,12 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb813b8af86854136c6922af0598d719255ecb2179515e6e7730d468f05c9cae"
 
+[[package]]
+name = "peeking_take_while"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.13"
@@ -812,6 +939,16 @@ version = "0.3.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
 
+[[package]]
+name = "prettyplease"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae005bd773ab59b4725093fd7df83fd7892f7d8eafb48dbd7de6e024e4215f9d"
+dependencies = [
+ "proc-macro2",
+ "syn 2.0.41",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "1.3.1"
@@ -913,6 +1050,12 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
@@ -922,6 +1065,19 @@ dependencies = [
  "semver",
 ]
 
+[[package]]
+name = "rustix"
+version = "0.38.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72e572a5e8ca657d7366229cdde4bd14c4eb5499a9573d4d366fe1b599daa316"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
+
 [[package]]
 name = "semver"
 version = "1.0.20"
@@ -966,6 +1122,12 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7cee0529a6d40f580e7a5e6c495c8fbfe21b7b52795ed4bb5e62cdf92bc6380"
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -1285,6 +1447,18 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "which"
+version = "4.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87ba24419a2078cd2b0f2ede2691b6c66d8e47836da3b6db8265ebad47afbfc7"
+dependencies = [
+ "either",
+ "home",
+ "once_cell",
+ "rustix",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -1307,6 +1481,72 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
 [[package]]
 name = "winnow"
 version = "0.5.28"
diff --git a/Cargo.toml b/Cargo.toml
index 3ab0df9..ac46f04 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,7 @@ async-lock = "3.2"
 futures-util = { version = "0.3.29", features = ["io"] }
 futures-channel = "0.3.29"
 gettext-rs = { version = "0.7", features = ["gettext-system"] }
+graphviz-sys = { path = "graphviz-sys" }
 gsettings-macro = "0.1.20"
 gtk = { version = "0.7", package = "gtk4", features = ["gnome_45"] }
 gtk_source = { package = "sourceview5", version = "0.7", features = ["v5_10"] }
diff --git a/build-aux/io.github.seadve.Dagger.Devel.json b/build-aux/io.github.seadve.Dagger.Devel.json
index 101eccb..e026048 100644
--- a/build-aux/io.github.seadve.Dagger.Devel.json
+++ b/build-aux/io.github.seadve.Dagger.Devel.json
@@ -34,20 +34,17 @@
     },
     "modules": [
         {
-            "name": "d3-graphviz",
-            "buildsystem": "simple",
-            "build-commands": [
-                "npm install",
-                "npm run build",
-                "mkdir -p $FLATPAK_DEST/src/dagger/graph_view/d3-graphviz",
-                "cp -r node_modules $FLATPAK_DEST/src/dagger/graph_view/d3-graphviz",
-                "cp -r build $FLATPAK_DEST/src/dagger/graph_view/d3-graphviz"
+            "name": "graphviz",
+            "buildsystem": "autotools",
+            "config-opts": [
+                "--enable-static",
+                "--enable-shared"
             ],
             "sources": [
                 {
-                    "type": "git",
-                    "url": "https://github.com/magjac/d3-graphviz.git",
-                    "tag": "v5.2.0"
+                    "type": "archive",
+                    "url": "https://gitlab.com/graphviz/graphviz/-/archive/9.0.0/graphviz-9.0.0.tar.gz",
+                    "sha256": "504d19b5d0e5398a57e9d9de42393f90b9e79aff0969b4ebc3b891ccb39602ed"
                 }
             ]
         },
diff --git a/graphviz-sys b/graphviz-sys
new file mode 160000
index 0000000..4c8d77a
--- /dev/null
+++ b/graphviz-sys
@@ -0,0 +1 @@
+Subproject commit 4c8d77ade340a78f67169e61641b1125a2b4c387
diff --git a/src/main.rs b/src/main.rs
index f16b603..590fb0a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -34,6 +34,8 @@ mod settings;
 mod utils;
 mod window;
 
+use std::ffi::c_char;
+
 use gettextrs::{gettext, LocaleCategory};
 use gtk::{gio, glib};
 
@@ -57,6 +59,41 @@ fn main() -> glib::ExitCode {
     let res = gio::Resource::load(RESOURCES_FILE).expect("Could not load gresource file");
     gio::resources_register(&res);
 
+    test();
+
     let app = Application::default();
     app.run()
 }
+
+fn test() {
+    use std::ffi::CString;
+
+    use graphviz_sys::*;
+
+    unsafe {
+        // agseterr(AGERR);
+        // agseterr(vizErrorf);
+
+        let dot_source = CString::new("digraph { a -> b }").unwrap();
+        let graph = agmemread(dot_source.as_ptr());
+
+        let gvc = gvContext();
+        let input_format = CString::new("dot").unwrap();
+        let output_format = CString::new("svg").unwrap();
+
+        let layout_error = gvLayout(gvc, graph, input_format.as_ptr());
+        dbg!(layout_error);
+
+        let mut data = std::ptr::null_mut();
+        let mut data_size = 0;
+        let ret = gvRenderData(gvc, graph, output_format.as_ptr(), data, &mut data_size);
+        dbg!(ret);
+
+        gvFreeLayout(gvc, graph);
+        agclose(graph);
+        gvFreeContext(gvc);
+
+        let s = String::from_raw_parts(*data as _, data_size as _, data_size as _);
+        dbg!(s);
+    }
+}