I use xprotolab an UsB osciloscope along xscope Qt app:

• http://www.gabotronics.com/oscilloscopes/xprotolab-plain.htm

App :

• http://www.gabotronics.com/download/xscopes/xscopes-manual.pdf
• https://github.com/ganzziani/xscopes-qt

More:

• http://www.gabotronics.com/resources/hobbyists-oscilloscopes.htm
• http://www.gabotronics.com/oscilloscopes/xprotolab-plain.htm
• https://www.gabotronics.com/index.php?option=com_ccboard&Itemid=12&forum=15&topic=314&view=postlist
• http://odroid.com/dokuwiki/doku.php?id=en:xprotolab
• https://build.opensuse.org/package/show/home:rzrfreefr/xscopes-qt

• https://pslab.io/# WisH
  • https://www.microchip.com/wwwproducts/en/PIC24EP256GP204#
• https://www.bitscope.com/product/BS10/
• https://espotek.com/labrador/# 100kHz
• https://www.youtube.com/watch?v=GWkLWGPdXKE# ArduinO
  • https://forum.arduino.cc/index.php?topic=64327.0# TvOut
• https://satoshinm.github.io/blog/180105_stm32scope_building_an_amazing_10_oscilloscope_with_an_stm32_blue_pill_lcd_touchscreen_and_stm32-o-scope_software.html# StM 32
• https://www.lab-nation.com/#
  • https://github.com/DreamSourceLab/DSView#
• https://www.circuitspecialists.com/usb-oscilloscope-hantek6022be.html# 20 MHz
• https://www.st.com/en/embedded-software/x-cube-h7dc-app.html#
• https://www.keysight.com/fr/en/product/54622A/portable-dso.html# 100Mhz

• http://www.stm32duino.com/viewtopic.php?f=19&t=1847#
• https://github.com/ardyesp/DLO-138/tree/master/src/TFTLib#
• https://jyetech.com/Products/LcdScope/e150.php# DsO
• https://www.gearbest.com/science-discovery-toys/pp_009118050088.html?wid=1433363
• https://fr.aliexpress.com/item/DSO-138-DIY-KIT-Open-Source/32743535038.html?spm=a2g0w.search0604.3.59.10e0665fTiAT4G&ws_ab_test=searchweb0_0,searchweb201602_3_10065_10068_319_10892_317_10696_453_10084_454_10083_10618_431_10304_10307_10820_10821_537_10302_536_10843_10059_10884_10887_100031_321_322_10103,searchweb201603_53,ppcSwitch_0&algo_expid=be3eaa1f-6c24-4931-8e46-b43f19bc55d0-11&algo_pvid=be3eaa1f-6c24-4931-8e46-b43f19bc55d0&transAbTest=ae803_3# STM32F103C8 McU

• https://github.com/OpenHantek/openhantek

• https://packages.qa.debian.org/x/xoscope.html
• http://www.yann.com/en/diy-turn-your-gnulinux-computer-into-a-free-oscilloscope-29/09/2010.html

• http://breizhmakers.over-blog.com/article-oscilloscope-sur-carte-son-117681044.html# oscilloscope
• https://www.zeitnitz.eu/scope_en# SignaL SoftWare
• http://linuxfr.org/news/les-ateliers-du-labx-1-l-oscilloscope-numerique
• https://www.rigolna.com/products/digital-oscilloscopes/
• https://makezine.com/projects/sound-card-oscilloscope/
• http://www.instructables.com/id/Arduino-High-speed-Oscilloscope-with-PC-interface/# OscilloscopE
• http://www.bitscope.com/pi/# OscilloscopE TooL MesurE SignaL
• http://forum.audacityteam.org/viewtopic.php?f=28&t=47595# AudiO
• https://makezine.com/projects/sound-card-oscilloscope/# OscilloscopE
• https://github.com/soholt/ginscope# OpenSource ElectroniC