The Database OS (DBOS) is a Java prototype of a high level computing environment. It currently has its own language, compiler (to JVM), and visual debugger It features relational semantics, query ability, a class hierarchy, a source code reflection system, automatic persistence, garbage collection, and an object browser interface.
EAsea Specification of Evolutionary Algorithms (EASEA), is a high-level language dedicated to the specification of evolutionary algorithms. The language and compiler are quite mature. EASEA compiles .ez specification files into C++ or Java object files, using existing evolutionary libraries. Supported C++ libraries currently are GALib or EO.
ECMA-55 Minimal BASIC is a compiler for "Minimal BASIC" as specified by the ECMA-55 standard. The target is AMD64/EM64T/x86-64 machines running a modern Linux distribution (a 3.x kernel). This compiler will create Assembly Language output files. These must be assembled into object files and linked to create an executable. The Assembly dialect used is that of GNU gas.