PowerLisp is a Common Lisp development environment that includes both 68K and PPC native code compilers, macro assemblers, and disassemblers. It also includes an incremental linker, a multi-window text editor, and CLOS (Common Lisp Object System),...

PowerFPU was made exclusively for PowerPC Macs that need to run old 68K software that requires a FPU.  For FPU emulation under a 68K System, use SoftwareFPU instead.  

PowerMenu is a utility that adds powerful commands to your contextual menu if you are running MacOS 8 or better (Your contextual menu is the menu that appears when you Control-click on an item on your desktop). If you are running the older Macintosh...

A Macintosh UI design concept prototyper

Allows to work with XML configuration files such as *.plist

PSpice (Personal Simulation Program with Integrated Circuit Emphasis) is a program for simulating analog and digital logic described in the SPICE language, which is designed for personal computers.

PsiMac is a program for synchronizing Psion 3a/3c and Siena palmtop devices with the Macintosh.

Quick & Dirty Utilities, Volume One is a disk chock full of the handiest programs you have ever bought. Included are a super disk cataloguer, a desk accessory mover and more. Several desk accessories including a menu bar clock and a terminal are...

Deluxe Music Construction Set is a notation-based music program that lets you enter up to 48 voices on 8 staves, and play the music through the Mac’s internal speaker and/or via MIDI on one or more external synthesizers. You can enter notes...