Miniware DS203 Pocket-Sized 4-Channel Digital Oscilloscope 8MHz 72 MSPS

MiniDSO DS203 Quad Handheld Digital Oscilloscope – 4‑Channel, 72 MSa/s.

Miniware DS213 Pocket Sized Handheld "5-track, 4-wave line" Digital Oscilloscope

Haasoscope v9.0 open-source 4-channel high-speed USB oscilloscope bundle

Haasoscope v9.0 open-source 4-channel high-speed USB oscilloscope

DSO138 2.4" TFT Digital Oscilloscope 1Msps + Probe Analog Bandwidth (Welded) MOD

XMEGA Xminilab Oscilloscope, Logic Analyzer, Waveform Generator, Sniffer, FFT

MINIWARE DS213 4-Ch Handheld Oscilloscope 15MHz Bandwidth Rechargeable Battery