Playgrounds

Instaparse

• https://github.com/mhuebert/instaparse-live ↗

TreeSitter

• https://tree-sitter.github.io/tree-sitter/playground ↗
• https://github.com/IBM/tree-sitter-codeviews ↗

Earley

• https://github.com/lagodiuk/earley-parser-js ↗
  • https://lagodiuk.github.io/nlp/deutsch.html ↗

PEG

• https://ohmjs.org/editor/ ↗
• https://pegjs.org/online ↗
• https://peggyjs.org/online ↗

LL(K)

• chevrotain ↗

Algorithms visualization

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

Science papers

• Generalised LR parsing algorithms ↗
• 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 ↗