GITBOOK-313: Stacking data adds

Author: cuevasm

concepts/block-production/stacking.md

@@ -156,6 +156,11 @@ The Stacks website has a [stacking page](https://www.stacks.co/learn/stacking) d
 
 For detailed instructions on how to stack, view the [Stack STX guides](../../guides-and-tutorials/stack-stx/).
 
-### Stacking statistics
+### Stacking Data
 
-You can view all sorts of Stacking data and statistics and create your own dashboards on [Ortege](https://app.ortege.ai/superset/dashboard/stacks-shack/).
+You can view all sorts of Stacking data and statistics using tools in the ecosystem such as:
+
+* [Signal21](https://app.signal21.io/)
+* [Stacking Tracker](https://www.stacking-tracker.com/)
+* [StakingRewards.com](https://www.stakingrewards.com/calculator?asset=stacks)
+* [Stacking Calendar](https://stacking.tools/)