Projectional editor

Projects aiming to become at a practically usable programming language soon

• unison – https://www.unisonweb.org/ – fist implemented code-projection is projection into plain text-files
• Enso (former luna) – https://enso.org/

Experimental toy/research projects

• fructure – Andrew Bilnn – fructure editor (website) – (ninth RacketCon): Andrew Blinn – Fructure: A Structured Editing Engine in Racket – upload 2019-07-19
  – there is a focus on typing normally – interesting aspect: algebra for the curser
• hazel – https://hazel.org/
• lambdu – http://www.lamdu.org/
• ( isomorf – https://isomorf.io/#!/ )

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By the author so called "tile-based editing":

• https://tylr.fun/ – (some info in twitter) – single line structural editing interactive demo – focus on typing normally

Related

• programming languages
• Software
• Annotated lambda diagrams and Annotated lambda diagram mockups – also a code projection
• Higher level computer interfaces for deveusers

External links

• Structure editor
• collection of structured editor projects