Adding GovTech (Singapore Government) as a known instance to the Inne…

…rSource License pattern. Description based on ISC community call.

patterns/2-structured/innersource-license.md

@@ -51,6 +51,7 @@ The license simplifies the conversations within our organization about sharing s
 ## Known Instances
 
 * DB Systel
+* GovTech (Singapore Government)
 
 ### DB Systel
 
@@ -69,6 +70,15 @@ The mentioned collaboration challenges include:
 
 It is worth mentioning that so far the software shared under this InnerSource license is mostly tooling, infrastructure, and tools lower in the stack.
 
+### GovTech (Singapore Government)
+
+GovTech is responsible for the delivery of the Singapore government's digital services to the public.
+They created the GovTech Public Sector License (GPSL) as a permissive license to ensure that code can be shared between legal entities across government.
+The GPSL covers both usage of code by licensees (agencies and their vendors) as well as contributions back to GovTech.
+Following open source practices, the GPSL `LICENSE` file is included in each repository that is made available as InnerSource.
+
+For more details see the InnerSource Commons Community call from 09/2023 [Improving Engineering Collaboration across the Singapore Government through InnerSource](https://www.youtube.com/watch?v=-zu2X2iERv8&t=1257s&ab_channel=InnerSourceCommons) (around 20:50) by Hunter Nield.
+
 ## Status
 
 * Structured