Prog-Express (Freeware)
Prog-Express is a modern, intuitive and free control software for the Batronix USB programming devices.

Prog-Studio 9
Prog-Studio is a modern, comprehensive, and very productive micro-controller development environment for industry standard 8051 (MCS-51) microcontroller architecture chips.

Eagle
This popular layout and schematic editor software is a powerful environment to create electrical layouts and schematics on Windows, Mac or Linux.

Wickenhäuser uC51
The 8051 C-Compiler uC51 is well known for it's high quality and high density code. You can develop high quality software for any 8051 in ANSI C.

Prog-Studio 6
Prog-Studio 6 is only used as control software for the old Batronix parallel port programming devices. All newer Batronix devices are using the free and superior Prog-Express Software as control software. If you are looking for an IDE to create assembler programs for microcontroller use Prog-Studio 9.

IC Datenbuch (Freeware)
In the IC-Databook Software you will find pin assignments, connection layouts, function tables and the most important specifications available for the 40x.. and the 74x.. IC series.

8051 Mikrocontroller Instruction Set
All instructions of the mcs-51 microcontroller are shown on 79 pages.