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Si3 is an advanced IDE (a Code Editor) for scripts, shaders, and text assets, seamlessly integrated inside the Unity Editor. Si3 comes with context sensitive auto-completion for C# scripts and a rich set of additional tools, key bindings and mouse handling.
Si3 will blow your mind - it's that fast!!!
Si3 features a custom-made advanced C# parsing and code analysis engine! Thanks to its novel approach to code analysis (a hybrid of .Net's Reflection and incremental syntactic and semantic analysis techniques) Si3 can easily outperform any other IDE (yes, including Visual Studio!)... Files open instantly! Code changes are instantly reflected in its internal data structures, the parse tree, and the type model with symbol tables. Changes are then instantly reflected back to all your scripts...