Nosica  
   A new object-oriented language. Development website, with some documentation, a forum, announcement from developpers. Sources. [Open source, GPL]
   http://www.nosica.net/user_zone.php

Dynace  
   An object-oriented extension to the C language which solves many of the problems associated with C++.
   http://algorithms.us/

merd  
   Ruby-like expressivity + static type checks, a la Haskell. [Open Source, GPL]
   http://merd.net/

Object Oriented FAQ: Object FAQ  
   Comp.Object FAQ (Object FAQ) is the most comprehensive resource on object technology anywhere.
   http://www.cyberdyne-object-sys.com/oofaq2/

OO Language Page  
   Includes links to information on OOPLs, user group and JDK, IDE and libraries.
   http://www.yy.cs.keio.ac.jp/~suzuki/object/language.html

Cetus Links: Languages  
   Over 11,000 links on objects and components.
   http://www.cetus-links.org/top_languages.html

Nice  
   OO language based on, integrated with, Java (compiler produces java bytecode); features of functional programming, implements state-of-art results from academic research, for more expressivity, modularity, safety. [Open source, GPL]
   http://nice.sourceforge.net/

Kapsel  
   Experimental object-oriented programming language; looks and feels much like the original Smalltalk, adds features to specify access to object detail.
   http://tools.fiu.edu/

bx  
   Language with objects, interfaces, parameterized types, no inheritance, operator overloading, generators, static instantiation, compiled to C; descriptions, source code, examples, compiler.
   http://www.skrenta.com/bx/

A Programming Language for Communicating Distributed Objects  
   Fascinating proposal for a very compact folding CDO language: Seentacks? We don't need no stinkin' Seentacks!
   http://www.cawley.demon.co.uk/lang.html

merd: SourceForge  
   Practical futuristic language: Ruby-like expressiveness with Haskell-like static type checks. Coded in ML, runs on Linux. [Open Source, GPL]
   http://sourceforge.net/projects/merd/

Object Technology  
   General introduction; documenting; suppliers, consulting firms, consortia; patterns, frameworks, class libraries; distributed objects; languages; databases; operating systems; modeling, methodologies; publications, people.
   http://www.yy.cs.keio.ac.jp/~suzuki/object.html

The Object-Oriented Page  
   Large, well researched list of OO issues, languages, projects, and links. Excellent resource.
   http://www.well.com/user/ritchie/oo.html

WebReference.com: Class-Based vs. Prototype-Based Languages  
   Brief explanation by Yehuda Shiran, Ph.D.
   http://www.webreference.com/js/tips/010215.html

Noobeed  
   An interactive geomatic object oriented language for spatial modeling, image processing, remote sensing, digital photogrammetry, geographic information system (GIS), geodesy, and surveying and mapping.
   http://noobeed.com/

Anvil  
   A dynamically compiled, object-oriented programming language and environment, especially suited for web applications.
   http://njet.org/

Planet Source Code  
   Lets OOP programmers submit code for review by other programmers; many source code samples to help educate beginners on many concepts; contests where programmers vote for the most efficient, useful code recently submitted.
   http://www.planet-source-code.com/

UnrealScript Language Reference  
   High level, simple, Java-style, object-oriented, compile time error checking; native support for major concepts of time, state, properties, networking, which few languages address, to greatly simplify code. Mainly for games.
   http://unreal.epicgames.com/UnrealScript.htm

Objects on the Web: Designing, Building, and Deploying Object-Oriented Applications for the Web  
   By Ron Ben-Naton.
   http://www.amazon.com/exec/obidos/ASIN/0070062811

Avail  
   Multiply-polymorphic modular language with highy flexible syntax. Unique inheritance model allows multiple inheritance, multiple polymorphism, constrained genericity, and covariant attributes via immutability. Due to identityless nature of types, a type c
   http://www.ericsworld.com/Mark/HTML/Avail.html

O'small  
   Concise, simple OO language for teaching; and study of semantics of inheritance, and OO languages in denotational style, later became subject of research on type inference systems and abstract machines. [Open Source]
   http://www.ahense.de/osmall.htm

What is Object-Oriented Software: An Introduction  
   Simple explanations for object newbies.
   http://www.softwaredesign.com/objects.html

Object Oriented Programming in C  
   Paul Field's fine, clear paper, published in C Vu 4:1 (November 1991), on how to use an object-like discipline with a procedural language.
   http://www.accu.org/acornsig/public/articles/oop_c.html

Survey of Object Oriented Programming Languages  
   Article by Chris Hostetter. This paper was intended as a learning experience for the author, in an attempt to better understand the history and development of Object Oriented Programming Languages.
   http://www.rescomp.berkeley.edu/~hossman/cs263/paper.html

Elaya  
   Homepage for the open source Elaya compiler project.
   http://www.elaya.org/main/showitem.php?id=1

Modular Programming Languages  
   By Hanspeter Mössenböck; Springer-Verlag, 1997, ISBN 3540625992. Refereed proceedings, Joint Modular Languages Conference, JMLC'97; Linz, Austria; 24 revised full papers; languages, techniques, tools to develop modular, extensible, type-safe software sy
   http://www.springer-ny.com/detail.tpl?isbn=3540625992

JellyJ  
   Project creating a object oriented programming language which is easy to learn for the beginner.
   http://jellyj.sourceforge.net/

Superx++  
   Compiled object-oriented language fully based on XML syntax; conforms to XML version 1.0 specification as published by W3C. Descriptions, documents, FAQ, downloads, links. [Open Source, LGPL]
   http://xplusplus.sourceforge.net/

Heron  
   The official web site for the Heron programming language. Contains the specification, a tutorial, related articles.
   http://www.heron-language.com/

VIRT Laboratory  
   Makes VIRT: general purpose, imperative, object-oriented language, with a new technology of dynamic data structure processing; lets you process dynamic data structures (lists, trees, more) effectively with no pointers. Ensures laconic and uniform notation
   http://www.virtlabs.com.ua/

Lava  
   An experimental, innovative, object-oriented, interpretive programming language and an associated programming environment LavaPE which provides syntax-sensitive point-and-click style structure editors instead of text editors for program editing.
   http://lavape.sourceforge.net

Webopedia: Object-oriented programming  
   Defines the term 'object-oriented programming', lists some links where you can get more information.
   http://webopedia.com/TERM/o/object_oriented_programming_OOP.html

Open Spice  
   An openly available specification of programming language with some nice XML processing features. Imlementations.
   http://www.openspice.org/

OOP 2005 Conference  
   (January 2005) presents object-based solutions in an expansive and fully comprehensive forum for users, experts and leading vendors.
   http://www.sigs-datacom.de/sd/kongresse/oop_2005/index.htm

Lush: Lisp Universal SHell  
   An object-oriented programming language designed for researchers, experimenters, and engineers interested in large-scale numerical and graphic applications. Lush wrapping three languages into one: (1) a weakly-typed, garbage-collected, dynamically scoped,
   http://lush.sourceforge.net/

Lingo  
   Programming language with automatic memory management, simple class structure, large library, working example programs, compiler and debugger for Windows. The website has sample code, trial software and technical information.
   http://www.lingolanguage.com/

Object Oriented Programming: A guide for the beginner, from Modula-2 to Java  
   Tutorial teaching basics of object oriented programming. Tailored to no one specific language, but examples are in C++, Java, Modula-2.
   http://www.aonaware.com/OOP1.htm

Heron-Centric: Ruminations of a Language Designer  
   A blog which covers language design issues and software development techniques regarding the Heron programming language as well as similar languages like Java and C++.
   http://www.artima.com/weblogs/index.jsp?blogger=cdiggins