updated the README.md

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hneemann 2018-03-05 18:59:25 +01:00
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@ -14,13 +14,14 @@ Digital is a simulator for digital circuits. It is designed for educational purp
Prior to the development of Digital, I used [Logisim](http://www.cburch.com/logisim/), developed by Carl Burch.
If you are familiar with Logisim you will recognize the wire color scheme.
Logisim is an excellent and proven tool for teaching purposes. Unfortunately, Carl Burch discontinued the development of
Logisim in 2014. Instead he has started the development of a new simulator called [Toves](http://www.toves.org/) in 2013.
Logisim is an excellent and proven tool for teaching purposes, that has been actively developed until 2011.
In 2013 Carl Burch has started the development of a new simulator called [Toves](http://www.toves.org/).
In his [blog](http://www.toves.org/blog/) he explained why he decided to develop a new simulator instead of improving Logisim.
In short: There are weaknesses in Logisims architecture which are too difficult to overcome.
Unfortunately, the development of Toves was discontinued at a very early stage.
Carl Burch has released Logisim as open source so there are a number of forks to continue the work on Logisim:
In 2014, Carl Burch finally [discontinued](http://www.cburch.com/logisim/retire-note.html) the development of
Logisim. Since Logisim was released as open source, there are a number of forks to continue the work on Logisim:
- [Logisim-Evolution](https://github.com/reds-heig/logisim-evolution) by people of a group of swiss institutes (Haute École Spécialisée Bernoise, Haute École du paysage, d'ingénierie et d'architecture de Genève, and Haute École d'Ingénierie et de Gestion du Canton de Vaud)
- [Logisim](https://github.com/lawrancej/logisim) by Joseph Lawrance at Wentworth Institute of Technology, Boston, MA