• Ada
  • A# (Dr. Martin C. Carlisle)
    Port of Ada to .NET
• APL
  • Dyalog APL (Dyalog Ltd)
• AsmL
  • Abstract State Machine Language (MS Research)
• Assembly
  • ASM to IL (bjarke)
• Basic
  • Visual Basic.NET (Microsoft)
  • mbas (Novell (Mono Project))
  • bmcs (Jambunathan)
• Basic Variants
  • KPL (Morrison Schwartz)
    Kid’s Programming Language
• BETA
  • BETA.Net (University of Aarhus, Denmark)
• BF
  • BF.NET (Simon Howard)
• Boo (Python inspired syntax)
  • boo (Rodrigo B. de Oliveira &Georges Benatti)
• C
  • lcc (Princeton)
    ANSI C
  • cscc (Portable.NET)
    ANSI C
• C#
  • C# (Microsoft)
  • mcs (Mono/Novell)
  • cscc (DotGNU Portable.NET)
• C# Variants
  • CSI (Steve Donovan)
    A Simple C# Interpreter
  • Cω (MS Research)
    Comega
  • eXtensible C# (ResolveCorp)
    Language Extension
  • Spec# (MS Research)
  • Polymorphic C# (MS Research)
    Language has merged with Comega
  • MC# (Yury P. Serdyuk, Vadim B.Guzev)
    Multiprocessor C#
  • Metaphor (Gregory Neverov @ Queensland University of Technology)
  • paxScript.NET (VIRT Laboratory)
  • Parallel C# (Parallel Language Research Project)
  • Knowledge.Net (Knowledge .NET Project Team)
• C++
  • Managed Extensions for C++ (Microsoft)
• Caml
  • F# (MS Research)
    (ML and Caml), Abstract IL, ILX
  • OCAMIL (Emmanuel Chailloux & Raphael.Montelatici)
• CAT
  • CAT (Christopher Diggins)
• CFML
  • BlueDragon (New Atlanta Communications, LLC.)
• Clarion#
  • Clarion# (SoftVelocity)
• Cobol
  • NetCOBOL (Fujitsu)
    COBOL for .NET
  • NeoKicks (Fujitsu)
  • Net Express (Micro Focus)
  • KICKS for .NET™ (Intensity Software)
• Cobra
  • The Cobra Programming Language (Cobra Language LLC)
• CULE
  • CULE.Net (Software Perspectives)
• E#
  • E# (Justin Chase)
• Eiffel
  • Eiffel ENViSioN! (Eiffel Software)
• Flash
  • csswf (Robin Debreuil)
• Forth
  • Delta Forth .NET (Valer BOCAN)
  • MrLoose.Forth (MrLoose)
• Fortran
  • Lahey/Fujitsu Fortran for .NET (Lahey Computer Systems, Inc.)
  • FTN95 (Salford Software Ltd.)
    Fortran for Microsoft .NET
• G#
  • G# (Ernest Booth)
• Haskell
  • Hugs98 for .NET (Unspecified)
  • Haskell for .NET (Nigel Perry)
    using Mondrain for .NET
  • Haskell.net Project (Unspecified)
• IL/MSIL
  • MSIL (Microsoft)
  • ilasm (Microsoft)
    IL Assembler
  • Mono Assembler (Novell (Mono Project))
  • Portable.NET Assembler (dotGNU)
• Java
  • Visual J# .NET (Microsoft)
  • IKVM.NET (Jeroen Frijters)
    Java VM for .NET
• JavaScript
  • JScript .NET (GotDotNet)
  • JANET (Unspecified)
    JavaScript-compatible language
  • DotGnu JScript (dotGNU)
• Lexico
  • Lexico (Unspecified)
    Spanish
• LISP
  • clisp (Microsoft)
  • DotLisp (Rich Hickey)
  • L# (L Sharp .NET) (Rob Blackwell)
    LISP-based script language
  • FOIL (Rich Hickey and Eric Thorsen)
  • RDNZL (Edi Weitz)
    .NET Layer for Common Lisp
• LISP-like
  • MBase (Meta Alternative)
  • IronLisp (CodePlex Community)
• LOGO
  • MonoLOGO (Richard Hestilow)
  • TurtleTracks.net Logo (University of Patras)
• Lua
  • Lua.NET (PUC-RIO)
    Integrating Lua with Rotor
• Mercury
  • Mercury on .NET (Unspecified)
• Mixal Assembly Language
  • MixNet (SourceForge)
• Modrian
  • Mondrian for .NET (Nigel Perry)
• Modula-2
  • GPM/CLR (Queensland University of Technology)
• Nemerle
  • Nemerle (The University of Wroclaw)
• Oberon
  • Active Oberon for .NET (ETH Zuerich)
• Pan
  • Pan# (Computer Languages for Secondary Education)
• Pascal
  • TMT .NET (TMT)
    Pascal Compiler
• Pascal Variants
  • Chrome (RemObjects)
  • Delphi (CodeGear/Borland)
  • Delphi.NET (Marcus Schmidt)
    Interoperability tools
  • Component Pascal (QUT)
• Perl
  • Perl for .NET, PerlNET (ActiveState SRL.)
  • PerlSharp (Joshua Tauberer)
• PHP
  • PHP4Mono (Raphael Romeikat)
  • PHP4Apps (Daaron)
  • PHP Sharp (Unspecified)
  • PHP Mono Extensions (Sterling Hughes)
  • Phalanger (CodePlex Community)
  • IronPHP (Ross Girshick)
• Processing
  • Processing.NET (Jonatan Rubio, etc. @ SourceForge)
• Prolog
  • P# (Jon Cook at Univ. of Edinburgh)
  • Prolog.NET (Oregon Institute of Technology)
• Python
  • IronPython (Microsoft)
  • KOBRA (Chetan Gadgil)
  • Python for .NET compiler (Mark Hammond)
  • Python for .NET (Brian Lloyd)
    .NET Integration with Python
  • IronPython (Microsoft)
• RPG
  • Visual RPG for .NET (ASNA)
• Ruby
  • IronRuby (Microsoft)
  • Mono Ruby.NET (Jaen,Mono Developers)
  • NetRuby (arton)
  • Rook (Castle Project)
  • Ruby/.NET Bridge (Ben Schroeder, John Pierce)
  • RubyCLR (John Lam)
  • Ruby.NET (Queensland University of Technology)
• Scala
  • Scala on Microsoft.NET (Martin Odersky, LAMP at EPFL)
• Scheme
  • Common Larceny (Northeastern University)
  • Dot-Scheme (Pedro Pinto)
    PLT Scheme Bridge
  • Bigloo (Inria Sophia-Antipolis)
  • Hotdog (Northwestern University)
  • Tachy (Ken Rawlings)
  • Scheme.NET (Indiana University)
  • IronScheme (CodePlex Community)
• Smalltalk
  • S# (SmallScript LLC)
  • #Smalltalk (John Brant & Don Roberts)
  • VMX Smalltalk (Robowiz Corporation)
  • LSWVST.NET (Lesser Software)
• SML
  • SML.NET (MS Research, University of Cambridge)
• Spry
  • Spry (Mark Hahn)
• Synergy
  • Synergy (Synergex)
• Tcl/Tk
  • TickleSharp (jscottb, Novell Forge)
  • Jacl.Net (Mailframe)
• Visual Objects
  • Vulcan.NET (GrafX Software Development)
• Zoon (Pascal, Modula-2 and Oberon family)
  • Zonnon (Eugene Zueff)

Fuente: http://www.dotnetpowered.com/languages.aspx

En él vienen recogidos los Namespaces para:

Creo que es un buen recurso para imprimir y tener a mano.