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Sinclair ZX81 (1916)

2-Bit Computing (3)

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5D Programs (2)

A. E. Stubbs (1)

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Alpha ZX81 Software (1)

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André Baune (5)

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Apropos (3)

Apropos Technology (3)

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Argus Specialist Publications (1)

Artic Computing (75)

Automata (6)

AVC (2)

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AWA (1)

Axis (8)

B.H. Baily (1)

Babtech (3)

bbock (1)

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Bi pak (1)

Bob's Stuff (16)

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Brian Lewis (2)

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Bridge (5)

Bridge Software (2)

BRS (2)

Bug Byte (25)

Bukster Games (10)

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Campbell Systems (6)

Can Of Worms (1)

Carnell (11)

Cases Computer Simulations (6)

CDS (15)

Ceran (1)

Charlie Robson (5)

Colin Williams (1)

Collins Computing (2)

Colourmatic Computing (2)

Computer Rentals (8)

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Contrast (3)

Control Technology (3)

Cosma (3)

CP (1)

Craig Bird (1)

Creative Computing (2)

CRL (9)

Cronosoft (4)

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Crystal (1)

Crystal Computing (3)

D pinch (1)

Daniel Crespo Andrés (16)

Data-assette (2)

Data-assette (2)

Database (3)

David A Stephenson (3)

David Husband (1)

Derf Software (1)

Digital Integration (1)

Direco International (3)

DJL Software (4)

DK Tronics (8)

DnD (1)

Donkeysoft (2)

Doric Computer Services (1)

DUH Productions (1)

Dunrobin (1)

Eastmead computers (6)

Ed Gerken (1)

Electric Pencil Company (2)

Elinca Products (1)

ERE Informatique (2)

Fabrizio Caruso (1)

Faraon (1)

Fawkes Computing (8)

Felix (2)

Fernando Miguel Barletta (2)

Finsbury Software (1)

Fisher-Marriott (1)

Fisher-Marriott Software (1)

Foilkade (2)

Forward (1)

Forward Software (1)

G. Barker (3)

G.S.P. Computer Software (1)

Gaál Zsolt (1)

Gammasoft (1)

Garry Wishart (4)

Gavin Barker (4)

Gavin Callard (1)

Gem (2)

Geoff Lee (1)

Gilsoft (1)

Gladstone Electronics (3)

Griffin (4)

Gus (1)

Hardy (1)

Harlequin Computing (1)

Hartland (2)

Hartland Software (1)

Herosoft (2)

Herosoft Huizen (1)

Hestacrest (1)

Hewson Consultants (5)

Hilderbay (2)

Hogroprog (2)

Hooy-Program (1)

ICL (146)

ICT (22)

ICT Software (2)

Ijskosoft (1)

Image Software Ltd (1)

Indescomp S.A. (2)

Informatique Service (2)

Intercomputer Inc (2)

International Publishing & Software Inc (13)

IPS (22)

IPS Canada (1)

J till (1)

J. G. Prince (1)

J. K. Greye (19)

J. P. Gibbons (1)

J. Soft (1)

J.K. Greye Software Ltd (7)

Jack P. Gibbons (1)

JEP Electronics (1)

Jim Waterman (2)

John Elliott (1)

JPS (1)

JRS Software (1)

JRS Software Ltd (12)

Keith Archer (1)

Kelly Abrantes Murta (1)

KW Software (1)

Leo Osborne (2)

Level 3 (2)

Lightning Software (1)

Llamasoft (1)

Logical Computers (6)

Logiciels (2)

Loriciels (1)

Lothlorien (7)

Luis Claudio Grosso (1)

M Meerman Design (1)

M. A. Smith (5)

M. Orwin (5)

M. W. F. Ringrose (1)

M.A. Smith (4)

M.C. Lothlorien (1)

M.Z. Production (1)

Macronics Systems (36)

Malcohol (1)

Marco's Retrobits (1)

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Martech (1)

Martin Ruffe (1)

Martin Wren Hilton (2)

Matthias Swatosch (1)

MC-TV (1)

Mcis (1)

Melbourne House (3)

Memotronic (1)

Micro Computer (1)

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Micro-Gen (3)

Microgame (1)

Microl (1)

Micromega (5)

Microsphere (1)

Mikro-Gen (10)

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Mindware (1)

Mine Of Information (2)

Moggy (1)

Moi (2)

Moviedrome Video (2)

MP (1)

Mpt (2)

Musamy (1)

Musamy Software (1)

Myke Pickstock (1)

Naigram (1)

National Education Corporation (1)

Network Computer Systems (1)

New Generation (3)

Newline (2)

Niagram (1)

Nick Godwin (1)

No Man's Land (2)

Nocash (4)

Novus (6)

Novus Software (4)

Oasis (1)

Odyssey Computing (3)

Orbyte (11)

Orbyte Software (11)

Orion (1)

P.I. Nicholson (1)

Paul Farrow (28)

Paul gillet (1)

Peacock (1)

Peaksoft (5)

Personal Software Services Ltd (4)

Philip Harwood (1)

Phipps Associates (12)

Photosoft (1)

Picturesque (7)

Piti (3)

Pixel (7)

Pixel Productions (7)

Pleasantrees (1)

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Pooter (1)

Pooter Games (2)

Poppy Programs (1)

Precision engineering (1)

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PROSM Software (1)

Protek (3)

Psion (2)

Psion Computers (3)

Psion Software Ltd (2)

PSS (12)

PW Publishing (1)

Quicksilva (47)

R&R (3)

R.A.M. (1)

Ram Productions (1)

Ram Writer (1)

Remsoft (1)

Revival Studios (9)

Robert S. Armitage (1)

RobertK (2)

Romik (5)

Rose Cassettes (9)

Russell Marks (1)

S. Electronics (1)

Salvador Camacho (1)

Saturn Developments Limited (7)

Scisoft (2)

Sebastien Andrivet (1)

Sega (2)

Selec (4)

Siegfried Engel (3)

Silicon Tricks (2)

Silversoft (12)

Simon Software (1)

Simon W. Hessel (2)

Sinclair Programs (1)

Sinclair Research (83)

Sinclair User (147)

Soft et Micro (1)

Softchoice (9)

Softouch (1)

Softsync Inc (10)

SoftWare (2)

Software Farm (8)

Solidware (2)

Spectre (1)

Stefano Bodrato (1)

Steller services (1)

Stephen Hartley Computing (9)

Steven McDonald (3)

Steven Reid (94)

Stratagem Cybernetics (1)

Supersoft (4)

Synacroop (1)

Synacroop Software (1)

Tasman (1)

Temptation (6)

Texgate (1)

Texgate Computers Ltd (1)

The Chip Shop (1)

The Mojon Twins (3)

The Software Farm (6)

thewiz (1)

Thunor (1)

Timedata Ltd (1)

Timeworks (6)

Timex Computer Corporation (66)

Toddy Software (5)

Tyrant (9)

u/Droid_Mike (1)

Ulisses Bebiano de Mello (1)

Unicorn Micro Systems (2)

Unknown (3)

Unsatisfactory Software (1)

VDS (1)

Video Software (5)

Video Software (3)

Vinsoft (1)

Vortex (1)

VSSP (4)

VVP Software (1)

Watson Software Services (1)

WH Smith (11)

Whitethorn Software (2)

Wida (4)

William Hicks (1)

Woodside (1)

Woodside Software (1)

Work Force (3)

Your Computer (3)

YRS (80)

Zarsoft (2)

Zeta Software (4)

ZX Computing (1)