Adaytum - - Budgeting Solutions written in APL, including planning, reporting and analysis. Acquired by Cognos in 2003, this site provides historical information about products and services.
APL Borealis - - The pre-eminent source for APL products and services in Canada.
Causeway Graphical Systems Ltd. - - Produces a range of graphical and reporting tools. Includes details of collaborations, products, support, and demos.
CoherentSystems: CoSy - - Computerized living with the APL-based CoSy NoteComputer. Free downloads.
Customized Applications, Inc. - - Customized applications and programming services, including rapid application development in APL.
Lescasse Consulting - - French APL based company. Proudly announce a form "driven by an APL+Win Web Server".
Optima Systems - - A UK company specialising in bespoke APL software.
Rex Swain - - Independent consultant specializing in APL with over 25 years professional experience.
Snake Island Research, Inc. - - Software development and consulting firm specializing in solving APL performance problems and training programmers. Technical Report on APEX APL compiler. APL (and related compiler/parallel) BiBTeX bibliographic files. APL fonts for LaTeX.