Glade
- Implementation of the Ada 95 Distributed Systems Annex, allows transparentdistributed programming in Ada 95.
- http://www.adacore.com/home/gnatpro/add-on_technologies/distributed_systems

AdaCore
- Offer GnatPro (an Ada development environment), a visual code debugger, and Ada compilation tools.
- http://www.adacore.com/

Ada Conformity Assessment Authority
- Home page for the ACAA. Manages Ada compiler validations.
- http://www.ada-auth.org/

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)]
- http://www.iste.uni-stuttgart.de/ps/ada-software/html/ada95.html

Green Hills Optimizing Ada 95 Compilers
- A fully validated family of Ada 95 Cross Compilers for real-time targets.
- http://www.ghs.com/products/ada_optimizing_compilers.html

Compilers & Conformance
- Ada Information Clearinghouse, AdaIC.
- http://archive.adaic.com/compilers/

XD Ada Cross Compilers
- From Software Engineering and Products (SWEP) for the M68000 Family and MIL-STD-1750A.
- http://www.swep-eds.com/XD%20Ada%20Info/xd%20ada.htm

ada2cc
- A translator that converts ANSI standard Ada to ARM or ISO conformant C++.
- http://www.ada2cc.com/

AdaHome Compilers
- Vendors of compilers.
- http://www.adahome.com/Resources/Compilers/Vendors.html

ObjectAda
- Compilers for Windows, Unix, the Java Virtual Machine and real-time operating systems. By Aonix.
- http://www.aonix.com/objectada.html

Validated Compilers
- List of validated Ada 95 compilers.
- http://www.adaic.org/compilers/ada95.html

WebAda
- Free online Ada95 compiler service.
- http://archive.adaic.com/compilers/webada/

Downloading Ada95
- Files and compilers.
- http://www.cs.fiu.edu/~downeyt/ada.html

OC Systems PowerAda
- A complete integrated Ada development environment for AIX and Linux. [Commercial]
- http://www.ocsystems.com/prod_powerada.html

DDC-I
- Supplier of Ada compilers for safety critical real-time embedded applications.
- http://www.ddci.com/

Catalog of compilers: Ada
- Diverse, almost two decades old tools for Ada programming.
- http://www.idiom.com/free-compilers/LANG/Ada-1.html

Janus
- Offer Ada 83 and Ada 95 development environments.
- http://www.rrsoftware.com/html/prodinf/janus95/j-ada95.htm

XGC
- Offer Ada 95 compilers that target various embedded computers.
- http://www.xgc.com/

Irvine Compiler Corp.
- Offer Ada development environments for a wide range of host and target platforms.
- http://www.irvine.com/