diff --git a/.gitattributes b/.gitattributes
index 2b9b79e2..ba1273bd 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,2 @@
 * text=auto eol=lf
-
+upstream/** linguist-vendored
diff --git a/.gitignore b/.gitignore
index 0b4957c5..feda423c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,4 +15,4 @@ zig-out/
 /debug/
 /build/
 /build-*/
-/docgen_tmp/
\ No newline at end of file
+/docgen_tmp/
diff --git a/ecs/.gitattributes b/ecs/.gitattributes
new file mode 100644
index 00000000..ba1273bd
--- /dev/null
+++ b/ecs/.gitattributes
@@ -0,0 +1,2 @@
+* text=auto eol=lf
+upstream/** linguist-vendored
diff --git a/ecs/.github/FUNDING.yml b/ecs/.github/FUNDING.yml
new file mode 100644
index 00000000..99fd1066
--- /dev/null
+++ b/ecs/.github/FUNDING.yml
@@ -0,0 +1 @@
+github: slimsag
diff --git a/ecs/.github/pull_request_template.md b/ecs/.github/pull_request_template.md
new file mode 100644
index 00000000..3a057b7b
--- /dev/null
+++ b/ecs/.github/pull_request_template.md
@@ -0,0 +1,5 @@
+Please send your change to [the main repository](https://github.com/hexops/mach/tree/main/ecs) instead, sorry for the trouble!
+
+This helps us avoid some complex merge conflicts we run into when changes are made to both repositories and history needs to be reconciled. Keeping PRs in just that repository enables us to use `git subtree` to trivially keep the two repositories in sync.
+
+Once your PR is merged over there, it'll automatically sync to this repository.
diff --git a/ecs/.gitignore b/ecs/.gitignore
new file mode 100644
index 00000000..feda423c
--- /dev/null
+++ b/ecs/.gitignore
@@ -0,0 +1,18 @@
+# This file is for zig-specific build artifacts.
+# If you have OS-specific or editor-specific files to ignore,
+# such as *.swp or .DS_Store, put those in your global
+# ~/.gitignore and put this in your ~/.gitconfig:
+#
+# [core]
+#     excludesfile = ~/.gitignore
+#
+# Cheers!
+# -andrewrk
+
+zig-cache/
+zig-out/
+/release/
+/debug/
+/build/
+/build-*/
+/docgen_tmp/
diff --git a/freetype/.gitignore b/freetype/.gitignore
index 0b4957c5..feda423c 100644
--- a/freetype/.gitignore
+++ b/freetype/.gitignore
@@ -15,4 +15,4 @@ zig-out/
 /debug/
 /build/
 /build-*/
-/docgen_tmp/
\ No newline at end of file
+/docgen_tmp/
diff --git a/gamemode/.gitattributes b/gamemode/.gitattributes
new file mode 100644
index 00000000..ba1273bd
--- /dev/null
+++ b/gamemode/.gitattributes
@@ -0,0 +1,2 @@
+* text=auto eol=lf
+upstream/** linguist-vendored
diff --git a/gamemode/.github/FUNDING.yml b/gamemode/.github/FUNDING.yml
new file mode 100644
index 00000000..99fd1066
--- /dev/null
+++ b/gamemode/.github/FUNDING.yml
@@ -0,0 +1 @@
+github: slimsag
diff --git a/gamemode/.github/pull_request_template.md b/gamemode/.github/pull_request_template.md
new file mode 100644
index 00000000..780268a2
--- /dev/null
+++ b/gamemode/.github/pull_request_template.md
@@ -0,0 +1,5 @@
+Please send your change to [the main repository](https://github.com/hexops/mach/tree/main/gamemode) instead, sorry for the trouble!
+
+This helps us avoid some complex merge conflicts we run into when changes are made to both repositories and history needs to be reconciled. Keeping PRs in just that repository enables us to use `git subtree` to trivially keep the two repositories in sync.
+
+Once your PR is merged over there, it'll automatically sync to this repository.
diff --git a/gamemode/.gitignore b/gamemode/.gitignore
new file mode 100644
index 00000000..feda423c
--- /dev/null
+++ b/gamemode/.gitignore
@@ -0,0 +1,18 @@
+# This file is for zig-specific build artifacts.
+# If you have OS-specific or editor-specific files to ignore,
+# such as *.swp or .DS_Store, put those in your global
+# ~/.gitignore and put this in your ~/.gitconfig:
+#
+# [core]
+#     excludesfile = ~/.gitignore
+#
+# Cheers!
+# -andrewrk
+
+zig-cache/
+zig-out/
+/release/
+/debug/
+/build/
+/build-*/
+/docgen_tmp/
diff --git a/glfw/.gitattributes b/glfw/.gitattributes
index 2b9b79e2..ba1273bd 100644
--- a/glfw/.gitattributes
+++ b/glfw/.gitattributes
@@ -1,2 +1,2 @@
 * text=auto eol=lf
-
+upstream/** linguist-vendored
diff --git a/glfw/.gitignore b/glfw/.gitignore
index 0b4957c5..feda423c 100644
--- a/glfw/.gitignore
+++ b/glfw/.gitignore
@@ -15,4 +15,4 @@ zig-out/
 /debug/
 /build/
 /build-*/
-/docgen_tmp/
\ No newline at end of file
+/docgen_tmp/
diff --git a/gpu-dawn/.gitattributes b/gpu-dawn/.gitattributes
index 2b9b79e2..ba1273bd 100644
--- a/gpu-dawn/.gitattributes
+++ b/gpu-dawn/.gitattributes
@@ -1,2 +1,2 @@
 * text=auto eol=lf
-
+upstream/** linguist-vendored
diff --git a/gpu-dawn/.gitignore b/gpu-dawn/.gitignore
index 0b4957c5..feda423c 100644
--- a/gpu-dawn/.gitignore
+++ b/gpu-dawn/.gitignore
@@ -15,4 +15,4 @@ zig-out/
 /debug/
 /build/
 /build-*/
-/docgen_tmp/
\ No newline at end of file
+/docgen_tmp/
diff --git a/gpu/.gitattributes b/gpu/.gitattributes
index 2b9b79e2..ba1273bd 100644
--- a/gpu/.gitattributes
+++ b/gpu/.gitattributes
@@ -1,2 +1,2 @@
 * text=auto eol=lf
-
+upstream/** linguist-vendored
diff --git a/gpu/.github/pull_request_template.md b/gpu/.github/pull_request_template.md
index 535c4f19..3f203f76 100644
--- a/gpu/.github/pull_request_template.md
+++ b/gpu/.github/pull_request_template.md
@@ -1,4 +1,4 @@
-Please send your change to [the main repository](https://github.com/hexops/mach/tree/main/gpu-dawn) instead, sorry for the trouble!
+Please send your change to [the main repository](https://github.com/hexops/mach/tree/main/gpu) instead, sorry for the trouble!
 
 This helps us avoid some complex merge conflicts we run into when changes are made to both repositories and history needs to be reconciled. Keeping PRs in just that repository enables us to use `git subtree` to trivially keep the two repositories in sync.
 
diff --git a/gpu/.gitignore b/gpu/.gitignore
index 0b4957c5..feda423c 100644
--- a/gpu/.gitignore
+++ b/gpu/.gitignore
@@ -15,4 +15,4 @@ zig-out/
 /debug/
 /build/
 /build-*/
-/docgen_tmp/
\ No newline at end of file
+/docgen_tmp/
diff --git a/sysaudio/.github/FUNDING.yml b/sysaudio/.github/FUNDING.yml
new file mode 100644
index 00000000..99fd1066
--- /dev/null
+++ b/sysaudio/.github/FUNDING.yml
@@ -0,0 +1 @@
+github: slimsag
diff --git a/sysaudio/.github/pull_request_template.md b/sysaudio/.github/pull_request_template.md
new file mode 100644
index 00000000..2645e4e5
--- /dev/null
+++ b/sysaudio/.github/pull_request_template.md
@@ -0,0 +1,5 @@
+Please send your change to [the main repository](https://github.com/hexops/mach/tree/main/sysaudio) instead, sorry for the trouble!
+
+This helps us avoid some complex merge conflicts we run into when changes are made to both repositories and history needs to be reconciled. Keeping PRs in just that repository enables us to use `git subtree` to trivially keep the two repositories in sync.
+
+Once your PR is merged over there, it'll automatically sync to this repository.
diff --git a/sysaudio/.gitignore b/sysaudio/.gitignore
index fd00295b..feda423c 100644
--- a/sysaudio/.gitignore
+++ b/sysaudio/.gitignore
@@ -16,5 +16,3 @@ zig-out/
 /build/
 /build-*/
 /docgen_tmp/
-
-upstream/soundio/src/config.h
diff --git a/sysjs/.gitattributes b/sysjs/.gitattributes
new file mode 100644
index 00000000..ba1273bd
--- /dev/null
+++ b/sysjs/.gitattributes
@@ -0,0 +1,2 @@
+* text=auto eol=lf
+upstream/** linguist-vendored
diff --git a/sysjs/.github/FUNDING.yml b/sysjs/.github/FUNDING.yml
new file mode 100644
index 00000000..99fd1066
--- /dev/null
+++ b/sysjs/.github/FUNDING.yml
@@ -0,0 +1 @@
+github: slimsag
diff --git a/sysjs/.github/pull_request_template.md b/sysjs/.github/pull_request_template.md
new file mode 100644
index 00000000..18deebe7
--- /dev/null
+++ b/sysjs/.github/pull_request_template.md
@@ -0,0 +1,5 @@
+Please send your change to [the main repository](https://github.com/hexops/mach/tree/main/sysjs) instead, sorry for the trouble!
+
+This helps us avoid some complex merge conflicts we run into when changes are made to both repositories and history needs to be reconciled. Keeping PRs in just that repository enables us to use `git subtree` to trivially keep the two repositories in sync.
+
+Once your PR is merged over there, it'll automatically sync to this repository.
diff --git a/sysjs/.gitignore b/sysjs/.gitignore
index ee7098f1..feda423c 100644
--- a/sysjs/.gitignore
+++ b/sysjs/.gitignore
@@ -1,2 +1,18 @@
-zig-out/
+# This file is for zig-specific build artifacts.
+# If you have OS-specific or editor-specific files to ignore,
+# such as *.swp or .DS_Store, put those in your global
+# ~/.gitignore and put this in your ~/.gitconfig:
+#
+# [core]
+#     excludesfile = ~/.gitignore
+#
+# Cheers!
+# -andrewrk
+
 zig-cache/
+zig-out/
+/release/
+/debug/
+/build/
+/build-*/
+/docgen_tmp/