diff --git a/registry.txt b/registry.txt
index 0fdc8dba..07f3de0e 100644
--- a/registry.txt
+++ b/registry.txt
@@ -7932,3 +7932,6 @@ https://github.com/Geekble-Maker/Geekble_Orgel.git|Contributed|Geekble_Orgel
 https://github.com/twstokes/flipdotmatrix.git|Contributed|FlipDotMatrix
 https://github.com/wallysalami/QRCodeGFX.git|Contributed|QRCodeGFX
 https://github.com/RobTillaart/AD5370.git|Contributed|AD5370
+https://github.com/sparkfun/SparkFun_SiT5358_DCTCXO_Arduino_Library.git|Contributed|SparkFun SiT5358 DCTCXO Arduino Library
+https://github.com/sparkfun/SparkFun_SiT5811_OCXO_Arduino_Library.git|Contributed|SparkFun SiT5811 OCXO Arduino Library
+https://github.com/sparkfun/SparkFun_STP3593LF_OCXO_Arduino_Library.git|Contributed|SparkFun STP3593LF OCXO Arduino Library