diff --git a/README.md b/README.md
index 88e9bc6ba..912d05887 100644
--- a/README.md
+++ b/README.md
@@ -165,6 +165,8 @@ There is a Google Group/mailing list for discussion related to Neuroglancer:
   Scripts for converting the [BigBrain](https://bigbrain.loris.ca) dataset to the
   Neuroglancer [precomputed data format](src/neuroglancer/datasource/precomputed), which may serve
   as a useful example for converting other datasets.
+- [BigArrays.jl](https://github.com/seung-lab/BigArrays.jl) - Julia interface of neuroglancer precomputed data format.
+- [cloudvolume](https://github.com/seung-lab/cloud-volume) - Python interface of neuroglancer precomputed data format.
 
 # Contributing