Ada to C/C++ translator - A converter software which allows C/C++ source files to be generated from Ada83 and Ada95 source files. It doesn't translate all the code but tries to translate it as best as possible to obtain C/C++ code with the fewest bugs possible and whose execution is as near as possible to the original Ada program execution. [Freeware]
ada2cc - A translator that converts ANSI standard Ada to ARM or ISO conformant C++.
AdaCore - Offer GnatPro (an Ada development environment), a visual code debugger, and Ada compilation tools.
Adaed - Ada95 Linux interpreter by Ragnar Hojland Espinosa.
avlada - A prototype Ada 9X student compiler/interpreter. Its goal is to provide a small Ada 9X compiler/translator that is easy to install and has good performance for compilation and interpretation. Small Development Environment included. [ES (PC/DOS)]
Glade - Implementation of the Ada 95 Distributed Systems Annex, allows transparentdistributed programming in Ada 95.
GNU Ada Compiler - A community supported site providing binaries for the GNU Ada compilers and numerous Ada libraries. The compiler and most libraries are distributed under the terms of the GPL with the linking/generic exception.