In depth
A RIP sits between a press-ready PDF and the printing hardware. Its job is to take a vector-and-raster mix of pages, perform colour separation (CMYK plus any spot or specialty inks), apply the device-specific ICC profile, screen the image into halftone dots (or stochastic patterns), and emit a stream of instructions the printer can render at speed. On a sheet-fed digital press the RIP runs in the press controller; on a wide-format inkjet it usually runs on a workstation alongside the machine.
RIP software is consistently confused with Print MIS in buyer searches — they sit at different layers of the shop. A Print MIS (PrintVis, PrintSmith, PeakSpitz AIERP) handles the business side: estimating, scheduling, materials, invoicing. The RIP handles the production side: turning a press-ready file into ink on paper. Every commercial shop needs both; they integrate via JDF hot-folder so a job ticketed in the MIS lands as a queued render at the RIP without manual rekeying.
For wide-format and sign shops, Onyx Graphics is the long-standing market leader; Caldera and PrintFactory are strong alternatives; Flexi is common for sign-cutter integration. For sheet-fed digital, the press vendor's RIP is usually bundled (Heidelberg Prinect, Konica Minolta IC, Ricoh TotalFlow, HP SmartStream). For label and packaging work, Esko Automation Engine is the dominant prepress + RIP stack.