ExpressionFlow
- Weblog on LabVIEW and visual object-oriented programming.
- http://expressionflow.com/

Lily
- Browser-based cross-platform, visual dataflow programming environment, coded in JavaScript, allows making programs graphically, without writing code, by drawing links between data, images, sounds, text, graphics. Open source.
- http://www.lilyapp.org/

Opsis
- Java applet for teaching binary search tree algorithms. It is unique in the way it combines programming, proof, and animation to enhance the learning experience. SourceForge. Open source, GPL.
- http://opsis.sourceforge.net/

Tersus Open Source Visual Programming Platform
- Make web applications by drawing flow diagrams instead of writing code; based on AJAX, one language for user interface, client side behavior, server side processing; descriptions, documents, forum, downloads.
- http://www.tersus.org/

Journal of Visual Languages and Computing
- Bimonthly journal on promoting visual languages, and on their implications for computing.
- http://www.elsevier.com/wps/find/journaldescription.cws_home/622907/description

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://legacy.imatix.com/html/libero/

Visual Languages: Beyond the Single Dimension
- Research by Marco Porta and Mauro Mosconi: description, projects, publication list, includes: Designing and Testing New Programming Constructs in a Dataflow VL, with Elena Ghittori.
- http://iride.unipv.it/people/porta/res-vislang.html

Agilent VEE
- Data-flow language, and open graphical programming environment, for iterative tests, measurement analysis, presenting results; optimized to use with data acquisition devices (digital voltmeters, oscilloscopes), and source devices (arbitrary waveform gener
- http://www.home.agilent.com/USeng/nav/-536900532.425703/pd.html

Visual Programming Languages: A Survey
- Paper by Marat Boshernitsan with historical overview of some pioneering efforts in the field.
- http://nitsan.org/~maratb/cs263/

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://web.engr.oregonstate.edu/~burnett/vpl.html

Petri Nets World
- Petri Nets is a formal and graphical appealing language which is appropriate for modelling systems with concurrency.
- http://www.informatik.uni-hamburg.de/TGI/PetriNets/

Cycling '74
- Sells Max/MSP and Jitter, a family of interactive graphical dataflow programming environments for audio, video, and graphical processing.
- http://www.cycling74.com/products/maxmsp

Improving Readability of Iconic Programs with Multiple View Object Representation
- Article by Yuichi Koike.
- http://kogs-www.informatik.uni-hamburg.de/~haarslev/vl95www/talks/T5.html

CODE
- Visual parallel programming system, composes sequential programs into parallel programs for shared-memory multiprocessors and workstations running MPI or PVM.
- http://www.cs.utexas.edu/users/code/

Visual Programming Language
- Brief, clear definition, explanation. [Wikipedia]
- http://en.wikipedia.org/wiki/Visual_programming_language

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.ist.psu.edu/hersey96viz.html

Visual Language Desk, VLDesk
- Potent tool to automatically generate Visual Programming Environments, the reworked version of Visual Language Compiler-Compiler, VLCC. Description, download, publications.
- http://www.scienzemfn.unisa.it/vldesk/

Subtext
- Experimental language to simplify application programming, based on copying (copied blocks are first class prototypes), live executable text, programming by example, prototypes. Description, FAQ, OOPSLA research paper, no download yet.
- http://subtextual.org/

Subtext Info Page
- Email list for Subtext language, with archives, means to subscribe and unsubscribe.
- http://lists.csail.mit.edu/mailman/listinfo/subtext/

Subtext: Alarming Development
- Weblog for Subtext language. Polite discussion and debate on new programming models to simplify application programming.
- http://alarmingdevelopment.org/

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

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

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

Longflow Enterprises Ltd.
- Makes Limnor general purpose codeless programming platform and development environment, based on prebuilt components, object-oriented; supports functional programming, ActiveX, C#, .NET, Visual Basic. Needs Windows XP and above.
- http://www.limnor.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/

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

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

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/

Visual Languages for Knowledge Representation
- Study of visual languages, mainly concept map-based languages; multiple representations. Broader interest than programming only. Many references.
- http://pages.cpsc.ucalgary.ca/~kremer/papers/KAW98/visual/kremer-visual.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/

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

Eidola
- Representation independent, object-oriented, visual language. Experimental project exploring radical approach to language structure and design.
- http://eidola.org/

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

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