Octave Reliance (formerly ETQ)
Configurable cloud quality management system with document control, CAPA and audit modules
Real-time SPC and shop-floor data collection software for quality inspection
Updated · By Oleksii Bilokamenskyi, Founder, MetaProject · How we rank
Prolink is a real-time SPC and data collection product from Minitab, organized into four packaged solutions. The Collect solution automates data capture from CMMs, gages, PLCs, and other inspection equipment using device drivers, and includes QC-CALC Real-Time, QC-CALC Monitor, QC-PLC, and GageStation. The Control solution adds real-time SPC charts, reports, and alerts through QC-CALC SPC, QC-Mobile, and QC-Alert. The Optimize solution, SPC Office Pro, connects to Minitab, JMP, and Excel for automated reporting. The Insight solution pairs data collection with the Minitab Statistical Software for further analysis.
The vendor's site states the product connects to over 320 inspection devices for automated data collection, and describes a new Version 5.0 release, effective August 15, 2025, that reorganizes these capabilities under Minitab's analytics ecosystem. The site does not specify particular industries or company sizes it is built for beyond general references to shop floor and manufacturing quality use, and it does not describe whether the software runs on-premise, in the cloud, or both.
No pricing figures, plans, or tiers are listed on the pages reviewed; the site instead directs visitors to start a free trial, request a demo, or talk to sales for purchasing options. Deployment details and integration mechanics beyond named device connections and software links (Minitab, JMP, Excel) are not described in detail, and there is no explicit statement of a subscription or perpetual license structure.

Screenshots belong to Minitab Real-Time SPC / QC-CALC and are taken from its public website. To have one removed, email info@shopfloorindex.com.
| Headquarters | USA |
|---|---|
| Deployment | Hybrid |
| Pricing model | Quote only |
| Pricing (as reported) | quote |
| Target size | small manufacturers |
| Integrations | CMMs, Gages, PLCs, Minitab Statistical Software, JMP, Excel |
Pricing and facts as reported by the vendor or public listings, checked when this profile was researched. Source: minitab.com.
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