I try to list all language workbenches that were mentioned in this community here.
- Beads https://beadslang.org/
- Cloudfier https://cloudfier.com/
- Coco https://cocotec.io/
- Dark https://darklang.com/
- Enso https://enso.org/
- Epsilon Epsilon
- Essential http://essential.metadev.pro/
- Generative Objects https://www.generativeobjects.com/
- Genexus Enterprise Low-Code Development Platform powered by Artificial Intelligence | GeneXus
- Glamorous Toolkit https://gtoolkit.com/
- Kite GitHub - erkal/kite: An interactive visualization tool for graph theory
- Langium GitHub - langium/langium: Next-gen language engineering / DSL framework
- MPS / Meta Programming System MPS: The Domain-Specific Language Creator by JetBrains
- Mendix https://www.mendix.com/
- MetaEdit+ MetaEdit+ Domain-Specific Modeling tools
- Modelix https://modelix.github.io/
- MontiCore MontiCore
- Portofino GitHub - ManyDesigns/Portofino: Portofino 5 is the next generation of the open-source low-code web framework Portofino. Its purpose is to help developers create modern, responsive enterprise applications with REST APIs and an Angular UI.
- ProjectIt https://www.projectit.org/
- Quid https://quid.metadev.pro/
- Racket https://racket-lang.org/
- Rascal https://www.rascal-mpl.org/
- Ring https://ring-lang.sourceforge.io/
- Sirius Sirius | Home
- Spoofax https://www.spoofax.dev/
- textX Redirecting
- Theia TypeFox - Smart Tools For Smart People | TypeFox
- Unison https://www.unisonweb.org/
- Xtext Xtext - Language Engineering Made Easy!
Please feel free to hint to the ones I missed.
Added since inception:
- Gentleman GitHub - geodes-sms/gentleman: Gentleman is a lightweight web-based projectional editor that allows you to create and manipulate models.
- SplootCode https://splootcode.io/
- Noodl https://www.noodl.net/
- Hazel https://hazel.org/
- Clangd (C++ LSP based on LLVM) https://clangd.llvm.org/
- Roc Lang https://www.roc-lang.org/
- Syndicated Actors https://syndicate-lang.org/
So, I generated then from the model listing below – albeit some information is then lost. Now the listing is based on first release/publication/demo.