RAZE Multi Asm Z80 Engine
- Z80 emulator for Intel based x86 systems. [CEASAR]
- http://caesar.logiqx.com/php/library.php?id=raze

Z80-ASM
- A compiler of the Z80 CPU assembler, runs on DOS, Linux; written in C.
- http://wwwhomes.uni-bielefeld.de/achim/z80-asm.html

Z80 Assembly for Novices
- A series of lessons introducing z80 assembly at a semi-beginner level and slow pace. Factual knowledge and pieces of advice concerning programming are intertwined. Includes detailed explanation for all the instructions organised in categories.
- http://users.hszk.bme.hu/~pg429/z80guide/

z80as
- A Unix (Linux, BSD) cross assembler for the Zilog Z80 microprocessor.
- http://z80as.sourceforge.net/

Z80 Bits
- A collection of Z80 routines.
- http://map.tni.nl/sources/external/z80bits.html

Z80 Cross-Platform Macro Assembler: Z80ASM
- Based on ideas of The Netwide Assembler (NASM) for Intel x86 platform. Also, ZXEDIT source editor, with syntax highlighting, for Z80ASM. By Ilya G. Aniskovets. English, Russian.
- http://z80.msk.ru/

Pasmo
- A portable Z80 cross assembler. Short description and download. Available in English and Spanish.
- http://www.arrakis.es/~ninsesabe/pasmo/

Icarus Productions - Z80 coding
- Z80 programming tutorials, utilities and FAQ for beginners.
- http://icarus.ticalc.org/articles/z80_coding.html

Z80 Simulator IDE
- An application that supplies Z80 developers with graphical environment for Windows and integrated BASIC compiler, assembler, simulator (emulator), disassembler, and debugger.
- http://www.oshonsoft.com/z80.html

z80 Documentation
- Programming documentations and tutorials for the z80 CPU and the TI-83 calculator.
- http://www.ticalc.org/pub/text/z80/

Francis Görmarker Page
- Z80 hardware and software resource page: Z80/Z180/PIC related documentation, source code, electronic schematics, executable files created by author during various home projects.
- http://home.swipnet.se/~w-68269/

The New Image
- Z80, R800 and GBZ80 cross assembler tniASM for MS-DOS and Win9x.
- http://www.tni.nl/

Thomas Scherrer Z80-Family Official Support Page
- Information about programming, hardware, software, utilities, CPUs, and assemblers for the Z80 processor family.
- http://www.z80.info/

Embedded Systems and Computer Architecture
- A book with software which takes the reader step-by-step through the design, construction, and programming of a microprocessor (based on the classic Zilog Z80 microprocessor). Includes a Z80 IDE and a simulator with add-on devices.
- http://homepage.ntlworld.com/grwilson/