diff --git a/README.md b/README.md
index dbe8470..772db25 100644
--- a/README.md
+++ b/README.md
@@ -312,10 +312,17 @@ After executed, build the software from within the <code>build</code> directory
 
  See [Design Details](docs/DETAILS.md) for implementation design details and more examples.
 
- See Doxygen main page located at `doxygen/html/index.html` for source code documentation. Clone the repository to view the pages.
+ See Doxygen main page located at `doxygen/html/index.html` for source code documentation. Clone the repository to view the pages in a browser.
 
 # Related Repositories
 
+## Alternative Implementations
+
+Alternative asynchronous implementations similar in concept to C++ delegate.
+
+* <a href="https://github.com/endurodave/AsyncCallback">Asynchronous Callbacks in C++</a> - A C++ asynchronous callback framework simplifies passing data between threads.
+* <a href="https://github.com/endurodave/C_AsyncCallback">Asynchronous Callbacks in C</a> - A C language asynchronous callback framework simplifies passing data between threads.
+
 ## Additional Source Code
 
 Supporting source code used within the delegate library.