List of IBM software, listed alphabetically with photos when available. If you're involved in the world of computers than this list of software developed by IBM might come in handy, especially if you're looking for new programs to utilize at your job. Software developed by IBM includes almost all IBM programs and applications. Some of this popular IBM software may cost money to acquire, but a lot of this software can be downloaded for free legally. This list below has a variety of items, like COMMAND.COM and IBM Notes, in it.This list answers the questions, "What is the best IBM software?" and "What programs has IBM developed?"