doc: Adding ECAL language interpreter
@@ -688,6 +688,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
* [anko](https://github.com/mattn/anko) - Scriptable interpreter written in Go.
* [binder](https://github.com/alexeyco/binder) - Go to Lua binding library, based on [gopher-lua](https://github.com/yuin/gopher-lua).
* [cel-go](https://github.com/google/cel-go) - Fast, portable, non-Turing complete expression evaluation with gradual typing.
+* [ecal](https://github.com/krotik/ecal) - A simple embeddable scripting language which supports concurrent event processing.
* [expr](https://github.com/antonmedv/expr) - Expression evaluation engine for Go: fast, non-Turing complete, dynamic typing, static typing.
* [gentee](https://github.com/gentee/gentee) - Embeddable scripting programming language.
* [gisp](https://github.com/jcla1/gisp) - Simple LISP in Go.
