Playgrounds

• https://tree-sitter.github.io/tree-sitter/playground
• https://ohmjs.org/editor/
• https://pegjs.org/online
• https://peggyjs.org/online
• https://github.com/lagodiuk/earley-parser-js
  • https://lagodiuk.github.io/nlp/deutsch.html

Algorithms visualization

• CYK Algorithm Visualization
• Visualize the Earley parser algorithm
• Context-free grammar explorer
• LL(1) Parser Visualization

Science papers

• PAVT: a tool to visualize and teach parsing algorithms
• CUPV - A Visualization Tool for Generated Parsers
• Visual exploration of visual parser execution
• Animating parsing algorithms
• PPVT : A Tool to Visualize Predictive Parsing
• Exploring and Visualizing GLL Parsing
• Understanding Context-free Grammars through Data Visualization