diff --git a/README.md b/README.md
index 8b4e011..5a8fe54 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@ Implementations of the data model, plus the textual and/or binary transfer synta
  - [Preserves for Rust]({{page.projecttree}}/implementations/rust/) ([crates.io package](https://crates.io/crates/preserves))
  - [Preserves for Squeak Smalltalk](https://squeaksource.com/Preserves.html) (`Installer ss project: 'Preserves'; install: 'Preserves'`)
  - [Preserves for TypeScript and JavaScript]({{page.projecttree}}/implementations/javascript/) ([`yarn add @preserves/core`](https://www.npmjs.com/package/@preserves/core))
+ - (Pre-alpha) Preserves for [C]({{page.projecttree}}/implementations/c/) and [C++]({{page.projecttree}}/implementations/cpp/)
 
 Implementations of the data model, plus Syrup transfer syntax: