Bootstrap
- Write Red/System compiler in REBOL 
 - Write Red/System linker in REBOL
 - Write Red runtime in Red/System
- Memory allocator
 - Garbage collector
 - Run-time lexical scanner
 - Datatypes
 
 - Memory allocator
 - Actions
 - Natives
 - Interpreter
 - File I/O
 - Network I/O
 - Compile-time lexical scanner
 - GUI support
- Cross-platform GUI engine
 - GUI DSL
 - Vector 2D DSL
 - Windows backend
 - Android backend
 - GTK3 backend
 - MacOSX backend
 - iOS backend
 
 - Cross-platform GUI engine
 
Self-hosted
- Rewrite Red/System compiler in Red
 - Rewrite Red compiler (both AOT and JIT) in Red
 
Code backends
- IA-32
- PIC support
 
 - PIC support
 - ARMv5
- PIC support
 
 - PIC support
 - AVR 
- AVR 8-bit
 - AVR 32-bit
 
 - AVR 8-bit
 - JVM
 - CLR
 - x86-64
 
File formats emitters
- PE/COFF
- Code+data segments
 - Imports segment
 - PIC support
 - Shared dynamic library (.dll)
 - Static library (.lib)
 - Object format (.o)
 
 - Code+data segments
 - ELF
 - Code+data segments
 - Imports segment
 - PIC support
 - Shared dynamic library (.so)
 - Static library (.a)
 - Object format (.o)
 - Mach-o
- Code+data segments
 - Imports segment
 - PIC support
 - Shared dynamic library (.dylib)
 - Static library (.a)
 - Object format (.o)
 
 - Code+data segments
 - Intel-HEX
- Code+data
 
 - Code+data
 
Bridges
- JVM / Android
 - CLR / .NET
 
