Filename	Description
CPUDET	Detects CPU type and displays the result setting an errorlevel.
CSR	Either makes the text mode cursor visible or hides it.
DRIVES	Displays general information about drives (Available drives, boot drive and LASTDRIVE).
EMUDET	Detects the active presence of a virtual or emulated environment.
FASTOPEN	Helps to clarify the usage of CONFIG.SYS FASTOPEN statement. For DR-DOS and its sibblings.
HISTORY	Helps to clarify the usage of CONFIG.SYS HISTORY statement. For DR-DOS and its sibblings.
IPXCHECK	Checks whether IPX (NetWare) services are available or not.
KEYMODET	Detects a connected keyboard and mouse availability.
LFNCHECK	Indicates whether a Long File Name (LFN) API is present or not.
MACADDR	Displays unique network MAC address under NetWare or Alloy NTNX/RTNX.
MORE	Tiny replacement for the DOS external command.
NCOMPARE	Compares two numbers and evaluates if a condition is met (EQU, LSS, GTR, NEQ, LEQ and GEQ).
PCSA	Reports on the PC system architecture (XT, AT or ATX), bus type (ISA, MCA or PCI) and BIOS date.
PKTCHECK	Detects the presence of a resident packet driver.
PORTS	Lists the system's serial (COM) and parallel (LPT) ports.
SANE	All-in-one safe reboot, shutdown, BIOS password reset, drive parking and DOS stabilization.
SEL	Artificially sets the DOS return code (errorlevel) to a specified value. Useful for batch files.
VIDEODET	Detects video display adapter type and sets an errorlevel (Herc. or MDA, CGA, EGA, VGA, and VBE).

With_Others:

Filename	Description
CHOICE	Tiny replacement for the DOS external command.
DIMMER	Brightens or dimms VGA display output. Hacked binary that improves built-in help.
DOSCLIP	DOS clipboard. New copy & paste scan codes, modifed a few text strings, help and text color.
ENVINFO	Hacked binary that improves display layout, enhaced built-in text, and added path display.
EXE2BIN	Tiny replacement for the DOS external command.
WHAT	Returns an errorlevel on the current date and time. Hacked binary with improved built-in help.
MEM	Hacked binary that offers to quit in paged mode display (/P), with a more visible separator.
PRN2FILE	Prints to a file. Improved built-in help and usage instructions.
SPARROW	Updated and bugfixed version of this tiny file manager.
SUPERTED	Removed the annoying .BAK file creation from this tiny text editor.

DOS distributions I have supported:

MiNiDOS -> https://archive.org/details/@minidos622