diff --git a/src/hexrec/__init__.py b/src/hexrec/__init__.py
index 0a6583b..8b4f6bb 100644
--- a/src/hexrec/__init__.py
+++ b/src/hexrec/__init__.py
@@ -39,6 +39,7 @@
 from .formats.srec import SrecFile
 from .formats.titxt import TiTxtFile
 from .formats.xtek import XtekFile
+from .hexdump import hexdump_core
 from .xxd import xxd_core
 
 
diff --git a/src/hexrec/formats/__init__.py b/src/hexrec/formats/__init__.py
index d49a11c..97f1cc3 100644
--- a/src/hexrec/formats/__init__.py
+++ b/src/hexrec/formats/__init__.py
@@ -28,10 +28,13 @@
 This is a collection of commonly used hexadecimal record file *formats*.
 
 * :mod:`hexrec.formats.asciihex`
+* :mod:`hexrec.formats.avr`
 * :mod:`hexrec.formats.ihex`
 * :mod:`hexrec.formats.mos`
 * :mod:`hexrec.formats.raw`
+* :mod:`hexrec.formats.sqtp`
 * :mod:`hexrec.formats.srec`
+* :mod:`hexrec.formats.titxt`
 * :mod:`hexrec.formats.xtek`
 
 Please refer to each submodule for more details.