diff --git a/doc/alternatives.md b/doc/alternatives.md
index 0b1e0c2a..fc561681 100644
--- a/doc/alternatives.md
+++ b/doc/alternatives.md
@@ -2,6 +2,8 @@ Here are links to some alternatives
 
 * https://github.com/odlgroup/odl Operator Discretization Library (ODL) in Python
 
+* https://github.com/mpasha3/trips-py
+
 * todo: open source initiative
 * todo: BART
 * todo: other links from mirt