diff --git a/src/9c.gmi b/src/9c.gmi
new file mode 100644
index 0000000..fe5759b
--- /dev/null
+++ b/src/9c.gmi
@@ -0,0 +1,3 @@
+# 9c
+
+9c is the flavor of [[c]] used by [[plan9]].
\ No newline at end of file
diff --git a/src/c.gmi b/src/c.gmi
new file mode 100644
index 0000000..ad54730
--- /dev/null
+++ b/src/c.gmi
@@ -0,0 +1,9 @@
+# c
+
+compilers
+
+* [[clang]]
+* [[gcc]]
+* [[9c]] ([[plan9]]'s c)
+* [[chibicc]]
+
diff --git a/src/chibicc.gmi b/src/chibicc.gmi
new file mode 100644
index 0000000..9e36077
--- /dev/null
+++ b/src/chibicc.gmi
@@ -0,0 +1,3 @@
+# chibicc
+
+Not to be confused with [[chibi]]-scheme.
\ No newline at end of file
diff --git a/src/clang.gmi b/src/clang.gmi
new file mode 100644
index 0000000..5eab6c3
--- /dev/null
+++ b/src/clang.gmi
@@ -0,0 +1 @@
+# clang
\ No newline at end of file
diff --git a/src/gcc.gmi b/src/gcc.gmi
new file mode 100644
index 0000000..21e0b6d
--- /dev/null
+++ b/src/gcc.gmi
@@ -0,0 +1 @@
+# gnu c compiler
\ No newline at end of file
diff --git a/src/languages.gmi b/src/languages.gmi
index 4ed52c7..1f45312 100644
--- a/src/languages.gmi
+++ b/src/languages.gmi
@@ -15,26 +15,23 @@ The idea here is to give you enough to get started, and provide some wayfinding
 
 ## concatenative stacks of pancakes
 
-* gforth
-* retroforth
-* lbforth (minimal)
+* [[forth]]
 * uxntal (uxnasm/uxncli)
-* ufx
 * brainfuck
 
 ## are you at the beach, because that sure looks like c
 
-* clang
+* [[c]]
 * go
 * dmd (d programming language)
 * [[javascript]]
-* chibicc
 
 ## Is that really a language or is that a tool?
 
 * fish shell
 * bash shell
 * zsh shell
+* rc shell
 * awk
 * bc
 * inform6 (inform)
diff --git a/src/plan9.gmi b/src/plan9.gmi
new file mode 100644
index 0000000..5a9dad1
--- /dev/null
+++ b/src/plan9.gmi
@@ -0,0 +1 @@
+# plan9
\ No newline at end of file