1. Modchips of the State (35C3). https://fahrplan.events.ccc.de/congress/2018/Fahrplan/events/9597.html. Modchips of the State (35C3). https://fahrplan.events.ccc.de/congress/2018/Fahrplan/events/9597.html.
2. The Rust Language. https://www.rust-lang.org/. The Rust Language. https://www.rust-lang.org/.
3. The WooKey project. https://wookey-project.github.io/ 2019. The WooKey project. https://wookey-project.github.io/ 2019.
4. Adacore. GnatProve formal verification tool. https://docs.adacore.com/spark2014-docs/html/ug/en/source/how_to_run_gnatprove.html. Adacore. GnatProve formal verification tool. https://docs.adacore.com/spark2014-docs/html/ug/en/source/how_to_run_gnatprove.html.
5. Altran AdaCore. SPARK programming language. https://www.spark-2014.org/. Altran AdaCore. SPARK programming language. https://www.spark-2014.org/.