diff --git a/.envrc b/.envrc
new file mode 100644
index 00000000..894571bf
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,3 @@
+source_url "https://raw.githubusercontent.com/cachix/devenv/82c0147677e510b247d8b9165c54f73d32dfd899/direnvrc" "sha256-7u4iDd1nZpxL4tCzmPG0dQgC5V+/44Ba+tHkPob1v2k="
+
+use devenv
diff --git a/.gitignore b/.gitignore
index 5efe047b..efd5ece4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
 .vscode/
 .gradle/
 build/
-eclipse/
+.eclipse/
 run/
 out/
 asm/
@@ -19,7 +19,7 @@ logs/
 *.iws
 *.classpath
 *.project
-*.class
+*.factorypath
 
 Thumbs.db
 
@@ -27,3 +27,12 @@ src/buildConst/
 docs/dokka/
 docs/javadoc/
 .b2/
+# Devenv
+.devenv*
+devenv.local.nix
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml
diff --git a/devenv.lock b/devenv.lock
new file mode 100644
index 00000000..989bc39c
--- /dev/null
+++ b/devenv.lock
@@ -0,0 +1,100 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1737321981,
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "a30b871f21bfc987b65356909d04186a18adf0c6",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1733328505,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1733477122,
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "7bd9e84d0452f6d2e63b6e6da29fe73fac951857",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1737465171,
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "9364dc02281ce2d37a1f55b6e51f7c0f65a75f17",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": "pre-commit-hooks"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/devenv.nix b/devenv.nix
new file mode 100644
index 00000000..22c36c01
--- /dev/null
+++ b/devenv.nix
@@ -0,0 +1,12 @@
+{ pkgs, lib, config, inputs, ... }:
+
+{
+  env.LD_LIBRARY_PATH = lib.makeLibraryPath (with pkgs; [
+    libpulseaudio
+    libGL
+    glfw
+    openal
+    stdenv.cc.cc
+    flite
+  ]);
+}
diff --git a/devenv.yaml b/devenv.yaml
new file mode 100644
index 00000000..a76d2284
--- /dev/null
+++ b/devenv.yaml
@@ -0,0 +1,6 @@
+# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
+inputs:
+  nixpkgs:
+    url: github:cachix/devenv-nixpkgs/rolling
+
+impure: true