Tools
Android
Android Platform Toolsadb and fastboot, straight from Google.
Download
scrcpyDisplay and control an Android phone from your computer over USB or Wi-Fi.
Download
Device Info (deprecated)My Android app that shows device, root and Knox information.
Download
jpedro's ToolkitMy Android app that shows device, root and Knox information, alongside flashing tools and others.
Samsung
Odin3Samsung's Windows flashing tool for Download Mode. All versions are available from SamFw.
Download
Odin4Samsung's own flashing tool for Download Mode. There is no official download site, so XDA's thread is the safest source.
XDA thread
odin4 (open source)Open-source Odin4 alternative that has to be built from source.
Source
HeimdallOpen-source Odin replacement built on libusb.
Source
Samsung USB DriverDriver Windows needs to detect Galaxy phones in Download Mode.
Download
SamFw ToolWindows utility for Samsung phones from SamFw.
Download