diff --git a/index/li/libgpiod/libgpiod-external.toml b/index/li/libgpiod/libgpiod-external.toml
new file mode 100644
index 00000000..69802621
--- /dev/null
+++ b/index/li/libgpiod/libgpiod-external.toml
@@ -0,0 +1,11 @@
+description = "C library for interacting with Linux GPIO device"
+name = "libgpiod"
+licenses = "LGPL-2.1-or-later"
+maintainers = ["Jeremy Grosser <jeremy@synack.me>"]
+maintainers-logins = ["JeremyGrosser"]
+
+[[external]]
+kind = "system"
+[external.origin."case(distribution)"]
+"debian|ubuntu" = ["libgpiod-dev"]
+"fedora|centos" = ["libgpiod-devel"]
diff --git a/index/li/libi2c/libi2c-external.toml b/index/li/libi2c/libi2c-external.toml
new file mode 100644
index 00000000..54ede69b
--- /dev/null
+++ b/index/li/libi2c/libi2c-external.toml
@@ -0,0 +1,11 @@
+description = "Userspace I2C programming library"
+name = "libi2c"
+licenses = "LGPL-2.1-or-later"
+maintainers = ["Jeremy Grosser <jeremy@synack.me>"]
+maintainers-logins = ["JeremyGrosser"]
+
+[[external]]
+kind = "system"
+[external.origin."case(distribution)"]
+"debian|ubuntu" = ["libi2c-dev"]
+"fedora|centos" = ["libi2c-devel"]
diff --git a/index/li/linux_hal/linux_hal-1.0.0.toml b/index/li/linux_hal/linux_hal-1.0.0.toml
new file mode 100644
index 00000000..282a6a17
--- /dev/null
+++ b/index/li/linux_hal/linux_hal-1.0.0.toml
@@ -0,0 +1,24 @@
+name = "linux_hal"
+description = "HAL drivers for Linux userspace"
+version = "1.0.0"
+
+authors = ["Jeremy Grosser"]
+maintainers = ["Jeremy Grosser <jeremy@synack.me>"]
+maintainers-logins = ["JeremyGrosser"]
+licenses = "BSD-3-Clause"
+website = "https://github.com/JeremyGrosser/linux_hal"
+tags = ["embedded", "hal", "linux", "i2c", "smbus", "gpio", "spi"]
+
+[[depends-on]]
+hal = "~0.3.0"
+libgpiod = "^1"
+libi2c = "^4"
+
+[available.'case(distribution)']
+'debian|ubuntu|fedora|centos' = true
+'...' = false
+
+[origin]
+commit = "01d2b63d081a17f5c40a622db04a27b1d6528230"
+url = "git+https://github.com/JeremyGrosser/linux_hal.git"
+