diff --git a/GoGenerateTools.md b/GoGenerateTools.md
index b0032ccc..7e4efe5c 100644
--- a/GoGenerateTools.md
+++ b/GoGenerateTools.md
@@ -26,4 +26,6 @@
 * [Wire](https://github.com/google/wire) - Compile-time Dependency Injection for Go
 * [sumgen](https://github.com/smasher164/sumgen) - generate interface method implementations from sum-type declarations
 * [interface-extractor](https://github.com/urandom/interface-extractor) - generates an interface of a desired type, with only methods used within the package.
-* [deep-copy](https://github.com/globusdigital/deep-copy) - creates a deep copy method for the given types.
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+* [deep-copy](https://github.com/globusdigital/deep-copy) - creates a deep copy method for the given types.
+* [libfsm](https://github.com/katef/libfsm) - fsm toolkit supporting (among others) Go and Go-flavored amd64 assembly for matching regexps
+* [re2c](https://re2c.org/index.html) - lexer generator for C, C++ and Go.
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