Grammatica is a parser generator (compiler compiler) for C# and Java. It improves upon similar tools (like yacc and ANTLR) by creating well-commented and readable source code, by having automatic error recovery and detailed error messages, and by support for testing and debugging grammars without generating source code. Grammatica supports LL(k) grammars with an unlimited number of look-ahead tokens.
The edit-on JavaBean SDK is a customizable, feature-rich JavaBean that allows developers to add WYSIWYG editing functionality to their AWT- or Swing-based applications. It features an intuitive word processor-like user interface that enables XHTML content authoring with XML markup, and has a royalty free run-time license.
Zoem is a general-purpose macro/programming language that submits text to a two-stage transformation process. Macro expansion and interpretation is followed by application of customizable character filtering rules. Zoem supports inside-out evaluation, comprehensive IO, control operators, iteration, dictionary stacks, multidimensional data storage, arithmetic expressions, regular expressions, system commands, and more.