i39 vs Oscilloscope

i39

Office & Productivity

i39 is an open-source desktop app designed as an alternative to Microsoft OneNote. It allows users to take notes, manage documents, create to-do lists, sketch ideas using a drawing pad, and organize notes into multiple notebooks. i39 focuses on flexibility, security, and privacy.

Oscilloscope

System & Hardware

An oscilloscope is a type of electronic test instrument that allows observation of constantly varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time. Oscilloscopes are commonly used to observe the exact wave shape of an electrical signal over a defined period of time.