Snowflake lets you interactively create PEG-based recursive-descent parsers via a Java Swing GUI.
Snowflake was developed in 2013-2014 and is now quite stable with 99% code coverage.
Autumn is a multi-paradigm, compiled, and statically-typed programming language for the JVM.
Autumn began development as a personal project in 2010 and ended in 2015.
Cascade is an embeddable actor framework contained within a single Java source-file.
Cascade began development in 2017 and is now stable with 99% code coverage.
The satxpy module trivializes working with boolean expressions and PySAT-based SAT solvers.
An S-expression library, for Java, focused on creating Domain Specific Languages.
Sexpr was an idea in 2017 for Snowflake-like pattern matching applied to symbolic data structures.
Provides a unit testing framework C-based programs in only two files.