SMF - Just Installed!
If you don't know what Scriptease is, just Follow this link. The notification can be found here and the GitHub page is Here. For those that just want to download and install version 2.7 beta can be found here and the wiki is here.
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One thing to note is that the sources are in JAVA. If you want to play around with the source-code, the best free JAVA compiler IDE that I've come across is the IntelliJ IDEA community edition by JetBrains.