LTeX Language Server: LSP language server for LanguageTool
Syntax tree editor for rapid annotation of existing text
Simple and flexible programming language for applications development
transfer text in diverse formats into specific xml parser-trees
vRules4j--Object Oriented Java Object Validation/Decision Rule engin
Free and open-source style and grammar editor
Fluent — planning, spec and documentation
Automatic correction of software bugs and grammar mistakes
C# lexer and parser
A LALR(1) Parser Generator for JavaScript written in JavaScript
Parser Generator based on Coco/R
Mini Python Compiler written in Java