Simulation of large-scale economic models.

• Software versions: Installers and models/databanks.
• Guide: Use this to get a quick introduction to Gekko and its capabilities (guide with example, screenshots etc.)
• Documentation
  
• Foundation and organization of the Gekko project
• Roadmap for 2012
  
• Bug tracker (lists of issues, feature requests etc.)
• Source code
• Gekko on Mac/Linux?

• Timeseries-oriented software
• Flexible data banks: annual, quarters and months.
• Dynamically loaded and compiled models
• Fast Newton solver with ordering and feedback logic
• Any number of simultaneous goals/means possible
• Failsafe mode for simulation
  
• In-built equation browser, with variable list
  
• Double precision, and missing values handled consistently
• Expressions accepted anywhere: in print, plot, etc.
• Strict language syntax (via in-built ANTLR parser)
• Graphics by means of embedded gnuplot
• Tabelling system, outputting in text, html or Excel
  
• Writing and reading from Excel
• Used by the following Danish organizations: Statistics Denmark, Ministry of Finance, Danish Energy Agency, Risø DTU. Models used: ADAM, EMMA.
  
• Easy installation by means of Windows installer.
  
• Open source. No licenses to compilers etc. -- everything used is C#/.NET (+ gnuplot and 7zip), so everything is open-source, and therefore free of charge.