Computing
- Parallel inference machine, an intended fifth generation computer
- Personal information management, the study and practice of information management by individuals
- Personal information manager, a portable appliance
- PIM (software), freeware archiving tool
- Platform-independent model, a software engineering model
- Protocol Independent Multicast, a network routing protocol
- Processor-in-memory, a CPU and memory on the same integrated circuit
- Product information management
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