Ada Core Technologies
Commercially supported compilers for Windows, various Unixen, the Java Virtual Machine and other platforms.

SGI
Ada 95 development environment from SGI.

Irvine Compiler Corp.
Offer Ada development environments for a wide range of host and target platforms.

XGC
Offer Ada 95 compilers that target various embedded computers.

Janus
Offer Ada 83 and Ada 95 development environments.

Catalog of compilers: Ada
Diverse, almost two decades old tools for Ada programming.

DDC-I
Supplier of Ada compilers for safety critical real-time embedded applications.

OC Systems PowerAda
A complete integrated Ada development environment for AIX and Linux. [Commercial]

Ada95 for PowerPC
The SCORE is the Ada cross compiler for an embedded PowerPC.

Downloading Ada95
Files and compilers.

AdaEd
Ada95 Interpreter by Ragnar Hojland Espinosa.

Ada Conformity Assessment Authority
Home page for the ACAA. Manages Ada compiler validations.

Ada95 Compilers, Processors, and Conformity Testing and Labs
Including Ada Conformity Assessment Test Suite (ACATS) 2.4.

Jgnat
Distribution 1.1 and 1.0 at wustl.edu.

WebAda
Free online Ada95 compiler service.

Validated Compilers
List of validated Ada 95 compilers.

Rational ApexAda
Integrated environment for designing, developing, and maintainingcomplex Ada applications.

ObjectAda
Compilers for Windows, Unix, the Java Virtual Machine and real-time operating systems. By Aonix.

AdaHome Compilers
Vendors of compilers.

ada2cc
A translator that converts ANSI standard Ada to ARM or ISO conformant C++.

GNAT Download Site
The place to download the public version of the GNU Ada compiler.

XD Ada Cross Compilers
From Software Engineering and Products (SWEP) for the M68000 Family and MIL-STD-1750A.

Compilers & Conformance
Ada Information Clearinghouse, AdaIC.

RationalSoftware - Support - DownloadCenter - Addins.
It installs the Ada 95,Ada 83, and Apex add-ins.

GNU Ada
Free software projects related to the GNU Ada Translator (GNAT).

Green Hills Optimizing Ada 95 Compilers
A fully validated family of Ada 95 Cross Compilers for real-time targets.

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)]

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]

Glade
Implementation of the Ada 95 Distributed Systems Annex, allows transparentdistributed programming in Ada 95.

Gnat for MacOS X Installation-HOWTO
A simple step-by-step guide to installing gnat on Apple MacOS X.