Journal of Visual Languages and Computing  
   Bimonthly journal on promoting visual languages, and on their implications for computing.
   http://www.elsevier.com/locate/issn/1045-926X

Visual Languages  
   a description of Visual Programming Languages by Daniel LaLiberte.
   http://www.hypernews.org/~liberte/computing/visual.html

Designing and Testing new Programming Constructs in a Data Flow VL  
   article by Elena Ghittori, Mauro Mosconi, Marco Porta
   http://iride.unipv.it/research/papers/98tr-dataflow/usabilit.htm

Opsis  
   A Java applet designed to teach binary search tree algorithms. It is unique in the way it combines programming, proof, and animation to enhance the learning experience.
   http://www.cse.unsw.edu.au/~amichail/Opsis.html

Frequently-Asked Questions (FAQ)  
   From the comp.lang.visual newsgroup.
   http://www.faqs.org/faqs/visual-lang/faq/

Eidola  
   An experimental project exploring a radical approach to language structure and design
   http://eidola.org/

Visual Programming Languages Research Papers  
   Large list of papers, with abstracts and comments: object-oriented, dataflow, and tree structures. Very useful.
   http://www-ist.massey.ac.nz/~plyons/711_html/VPL%20papers.html

Fabrik: A Visual Programming Environment  
   Kit of object-oriented computational and user-interface components that can be 'wired' together to build new components and applications; diagrams use bidirectional dataflow links as shorthand for multiple paths of flow.
   http://users.ipa.net/~dwighth/smalltalk/Fabrik/Fabrik.html

Khoral Research, Inc.: KRI  
   Makes Khoros/Cantata visual dataflow programming language: rapid prototyping and cradle-to-grave software development, in a high productivity, integrated software systems environment.
   http://www.khoral.com/

ResearchIndex: Viz: A Visualization Programming System  
   Describes design, implementation of high level visualization programming system, created from a need to support rapid visual prototyping in an environment that can be extended by abstractions in the application problem domain.
   http://citeseer.nj.nec.com/hersey96viz.html

Visual Languages for Knowledge Representation  
   
   http://pages.cpsc.ucalgary.ca/~kremer/papers/KAW98/visual/kremer-visual.html

Visual Language Research Bibliography  
   Large, well structured bibliography of papers on visual language research, also has brief list of links to other visual language related research resources.
   http://cs.oregonstate.edu/~burnett/vpl.html

Visual Programming  
   Ricardo Baeza-Yates taxonomy of Visual Languages and bibliography.
   http://www-lsi.upc.es/~rbaeza/cursos/vp/todo.html

A Visual Programming Language for Visualization of Scientific Data  
   Thesis presenting DataVis, visual dataflow programming language designed to be used by scientists for visualizing scientific data. Since it is a visual language, programs and functions are mostly diagrams, instead of text.
   http://www.cs.uiuc.edu/Dienst/UI/2.0/Describe/ncstrl.uiuc_cs/UIUCDCS-R-93-1809

Libero  
   By iMatix Corp. Write top-level logic as readable state diagram and click. Libero generates: Assembler, C, C++, Java, VB, Unix shells, Perl, Awk, PL/SQL, PHP, and COBOL. Template-based code generator can be altered for any environment. Portable, fast, fre
   http://www.imatix.com/html/libero/

Sanscript  
   Visual dataflow programming language and development environment. Lets you draw applications. Script any COM or OLE Automation server with Sanscript Pro.
   http://www.nwoods.com/sanscript/

Petri Nets World  
   Petri Nets is a formal and graphical appealing language which is appropriate for modelling systems with concurrency.
   http://www.daimi.au.dk/PetriNets/

Improving Readability of Iconic Programs with Multiple View Object Representation  
   article by Yuichi Koike
   http://www.computer.org/conferences/vl95/html-papers/koike2/koike.htm

LogicCoder  
   System for using flowchart to design program algorithms. The system then uses the program flowchart along with language command statements to generate the source program in selected.
   http://www.logiccoder.com/

SCIRun: A Scientific Programming Environment for Computational Steering  
   Framework where large computer simulations can be composed, executed, controlled, tuned interactively. Composing occurs via visual programming interface to a dataflow network. To execute programs, users specify parameters by graphical user interface rathe
   http://software.sci.utah.edu/scirun.html

VisiQuest  
   A scientific data and image analysis product that has its own Visual Programming Environment. VisiQuest was formerly known as Khoros Pro of Khoral research. By AccuSoft Corporation.
   http://www.accusoft.com

CodeMorphis Synopsis  
   A visual programming tool quickly build software applications by dragging and dropping icons that represent software components. [Commercial]
   http://www.codemorphis.com/

Limnor Programming System  
   A generic-purpose no-coding programming platform.
   http://www.limnor.com/

Step Forward  
   A tool for developing information management and accounting systems using visual programming and high-level abstraction techniques.
   http://www.stepforward.net

Peter  
   A visual programming tool designated for easy and quick creation of applications for Windows 95/98/NT/2000. By Gemtree Software.
   http://www.gemtree.com/peter.htm

Visula  
   A general-purpose visual programming language (VPL) based on object-orientation.
   http://visula.org/

Visual Programming Languages: A Survey  
   By Marat Boshernitsan.
   http://www.cs.berkeley.edu/~maratb/cs263/

Visual Programming Research  
   Home of visual language SIVIL. Also author's (Mark Meyer) visual programming related artiles and links.
   http://www-cs.canisius.edu/~meyer/VP/home.html