digraph tree { rankdir=LR page="12,17" overlap=false graph [fontsize=8]; edge [fontsize=8]; node [shape=plaintext fontsize=8]; ranksep = 0.2; nodesep = .04; y1975[label="1975" fontsize=20 pos="500,750"] y1980[label="1980" fontsize=20 pos="1000,750"] y1985[label="1985" fontsize=20 pos="1500,750"] y1990[label="1990" fontsize=20 pos="2000,750"] y1995[label="1995" fontsize=20 pos="2500,750"] y2000[label="2000" fontsize=20 pos="3000,750"] y2005[label="2005" fontsize=20 pos="3500,750"] y2010[label="2010" fontsize=20 pos="4000,750"] y2015[label="2015" fontsize=20 pos="4500,750"] y2020[label="2020" fontsize=20 pos="5000,750"] AST01 [label="AST.01" fontname="Helvetica" fontcolor="red" shape=plaintext height=0 pos="700,156" URL="http://stackosaurus.com/misc/Forth_AST.01.pdf" tooltip="Authors: Forth Astronomical Users Group"]; Forth77 [label="Forth-77" fontname="Helvetica" fontcolor="red" shape=plaintext height=0 pos="700,156" URL="http://www.complang.tuwien.ac.at/forth/forth-77.txt" tooltip="Authors: European FORTH Users Group"]; AST01 -> Forth77 [weight=100] Forth78 [label="Forth-78" fontname="Helvetica" fontcolor="red" shape=plaintext height=0 pos="800,156" URL="http://forth.org/OffeteStore/1003_InsideF83.pdf" tooltip="Authors: Forth Standards Team"]; Forth77 -> Forth78 [weight=100] Forth79 [label="Forth-79" fontname="Helvetica" fontcolor="red" shape=plaintext height=0 pos="900,156" URL="http://www.complang.tuwien.ac.at/forth/standards/Forth-79.pdf" tooltip="Authors: Forth Standards Team"]; Forth78 -> Forth79 [weight=100] Forth83 [label="Forth-83" fontname="Helvetica" fontcolor="red" shape=plaintext height=0 pos="1300,156" URL="http://forth.sourceforge.net/standard/fst83/index.html" tooltip="Authors: Forth Standards Team"]; Forth79 -> Forth83 [weight=100] Forth94 [label="ANS Forth" fontname="Helvetica" fontcolor="red" shape=plaintext height=0 pos="2400,156" URL="http://www.complang.tuwien.ac.at/forth/dpans-html/dpans.htm" tooltip="Authors: X3J14 TC"]; Forth83 -> Forth94 [weight=100] Forth2012 [label="Forth-2012" fontname="Helvetica" fontcolor="red" shape=plaintext height=0 pos="4400,149" URL="http://forth-standard.org" tooltip="Authors: Forth 200x Committee"]; Forth94 -> Forth2012 [weight=100] Forth [fontname="Helvetica" shape=plaintext height=0 pos="100,58" URL="http://www.forth.com/resources/evolution/evolve_1.html" tooltip="Chuck Moore's Language"]; Forth -> AST01 [weight=10 color="green"] miniFORTH [fontname="Helvetica" shape=plaintext height=0 pos="300,58" URL="http://www.forth.com/resources/evolution/evolve_2.html#2.2" tooltip="Chuck Moore's Language as Forth Inc. product"]; Forth -> miniFORTH [weight=100] microFORTH [fontname="Helvetica" shape=plaintext height=0 pos="700,79" URL="http://www.forth.com/resources/evolution/evolve_2.html#2.3" tooltip="Author: Dean Sanderson @ Forth, Inc."]; miniFORTH -> microFORTH [weight=100] figForth [label="fig-Forth" fontname="Helvetica" shape=plaintext height=0 pos="800,576" URL="http://www.eforth.com.tw/academy/library/figforth.htm" tooltip="Authors: Robert Selzer, Bill Ragsdale, and others"]; microFORTH -> figForth [weight=100] Forth78 -> figForth [weight=1 color="red"] F83 [fontname="Helvetica" shape=plaintext height=0 pos="1300,499" URL="http://www.eforth.com.tw/academy/library/insidef83%5Crootsf83.htm" tooltip="Authors: Henry Laxen and Mike Perry"]; Forth83 -> F83 [weight=1 color="red"] figForth -> F83 [weight=10 color="green"] polyFORTH [fontname="Helvetica" shape=plaintext height=0 pos="1200,58" URL="http://www.forth.com/resources/evolution/evolve_3.html#3.2" tooltip="FORTH, Inc.'s PC offering"]; miniFORTH -> polyFORTH [weight=100] chipFORTH [fontname="Helvetica" shape=plaintext height=0 pos="1500,58" URL="http://www.computer-solutions.co.uk/chipdev/cf.htm" tooltip="Cross-development environment by Forth, Inc."]; microFORTH -> chipFORTH [weight=10 color="green"] polyFORTH -> chipFORTH [weight=100] SwiftForth [fontname="Helvetica" shape=plaintext height=0 pos="2600,44" URL="http://www.forth.com/swiftforth/index.html" tooltip="Native-code, ANS Forth from Forth, Inc."]; Forth94 -> SwiftForth [weight=1 color="red"] polyFORTH -> SwiftForth [weight=100] SwiftX [fontname="Helvetica" shape=plaintext height=0 pos="2700,44" URL="http://www.forth.com/embedded/index.html" tooltip="Native-code, cross-development environment"]; chipFORTH -> SwiftX [weight=10 color="green"] SwiftForth -> SwiftX [weight=100] STOIC [fontname="Helvetica" shape=plaintext height=0 pos="500,177" URL="http://hopl.murdoch.edu.au/showlanguage2.prx?exp=2537" tooltip="by Jonathan Sachs for DG Nova"]; Forth -> STOIC [weight=10 color="green"] LSE [fontname="Helvetica" shape=plaintext height=0 pos="800,198"]; STOIC -> LSE [weight=10 color="green"] magicl [label="MAGIC/L" fontname="Helvetica" shape=plaintext height=0 pos="800,177"]; STOIC -> magicl [weight=10 color="green"] MVPForth [label="MVP-Forth" fontname="Helvetica" shape=plaintext height=0 pos="1000,121" URL="http://theforthsource.com/history.html" tooltip="public domain implementation of Forth-79, Roy Martin et al."]; Forth79 -> MVPForth [weight=1 color="red"] vicforth [label="VIC Forth" fontname="Helvetica" shape=plaintext height=0 pos="1200,709" URL="http://ftp.funet.fi/pub/cbm/vic20/programming/VIC-Forth/index.html" tooltip="by Tom Zimmer"]; figForth -> vicforth [weight=100] hes64forth [label="64 Forth" fontname="Helvetica" shape=plaintext height=0 pos="1300,709" URL="ftp://ftp.forth.org/pub/Forth/Compilers/native/misc/commodore64/ " tooltip="by Tom Zimmer"]; vicforth -> hes64forth [weight=100] c64forth79 [label="C64 FORTH/79" fontname="Helvetica" shape=plaintext height=0 pos="1300,184"]; Forth79 -> c64forth79 [weight=1 color="red"] blazinforth [label="Blazin' Forth" fontname="Helvetica" shape=plaintext height=0 pos="1500,317" URL="ftp://ftp.forth.org/pub/Forth/Compilers/native/misc/commodore64/" tooltip="(C) Scott Ballantyne "]; Forth83 -> blazinforth [weight=1 color="red"] forthcargile [label="Forth (Cargile&Riley)" fontname="Helvetica" shape=plaintext height=0 pos="1200,730"]; figForth -> forthcargile [weight=100] Forth79 -> forthcargile [weight=1 color="red"] superforth64 [label="Super Forth 64" fontname="Helvetica" shape=plaintext height=0 pos="1300,121"]; MVPForth -> superforth64 [weight=100] tinyforth64 [label="Tiny FORTH-64" fontname="Helvetica" shape=plaintext height=0 pos="1300,639"]; figForth -> tinyforth64 [weight=100] triforth [label="Tri FORTH" fontname="Helvetica" shape=plaintext height=0 pos="1300,618"]; figForth -> triforth [weight=100] UNIFORTH [fontname="Helvetica" shape=plaintext height=0 pos="1400,226"]; Forth79 -> UNIFORTH [weight=1 color="red"] sixtyforth [label="Sixty FORTH" fontname="Helvetica" shape=plaintext height=0 pos="1400,597"]; figForth -> sixtyforth [weight=100] whitelightning [label="White Lightning" fontname="Helvetica" shape=plaintext height=0 pos="1400,576"]; figForth -> whitelightning [weight=100] forth64 [label="Forth-64" fontname="Helvetica" shape=plaintext height=0 pos="1500,604"]; Forth79 -> forth64 [weight=1 color="red"] Forth83 -> forth64 [weight=10 color="green"] masterforth [label="Master FORTH" fontname="Helvetica" shape=plaintext height=0 pos="1600,296"]; Forth83 -> masterforth [weight=1 color="red"] enhancedforth [label="Enhanced FORTH" fontname="Helvetica" shape=plaintext height=0 pos="1600,555"]; figForth -> enhancedforth [weight=100] geoFORTH [fontname="Helvetica" shape=plaintext height=0 pos="1900,534" URL="ftp://ftp.forth.org/pub/Forth/Compilers/native/misc/commodore64/ "]; figForth -> geoFORTH [weight=100] cmForth [fontname="Helvetica" shape=plaintext height=0 pos="1400,37"]; miniFORTH -> cmForth [weight=100] Pygmy [fontname="Helvetica" shape=plaintext height=0 pos="2200,23" URL="http://www.eskimo.com/~pygmy/forth.html" tooltip="by Frank Sergeant"]; cmForth -> Pygmy [weight=10 color="green"] fourIM [label="4IM" fontname="Helvetica" shape=plaintext height=0 pos="3200,23" URL="http://membres.lycos.fr/astrobe "]; Pygmy -> fourIM [weight=10 color="green"] cmForth -> fourIM [weight=10 color="green"] VolksForth [fontname="Helvetica" shape=plaintext height=0 pos="1500,345" URL="http://www.forth-ev.de/filemgmt/singlefile.php?lid=17" tooltip="for MSDOS, 6502, Z80, Atari ST by Forth Gesellschaft"]; figForth -> VolksForth [weight=100] Forth83 -> VolksForth [weight=1 color="red"] deltatFORTH [fontname="Helvetica" shape=plaintext height=0 pos="1600,345"]; VolksForth -> deltatFORTH [weight=100] Forth83 -> deltatFORTH [weight=1 color="red"] TurboForth [fontname="Helvetica" shape=plaintext height=0 pos="1800,366"]; Forth83 -> TurboForth [weight=1 color="red"] VolksForth -> TurboForth [weight=100] BigForth [fontname="Helvetica" shape=plaintext height=0 pos="2000,366" URL="http://www.jwdt.com/~paysan/bigforth.html" tooltip="Free, native code, by Bernd Paysan "]; Forth94 -> BigForth [weight=1 color="red"] TurboForth -> BigForth [weight=100] Gforth [fontname="Helvetica" shape=plaintext height=0 pos="2600,443" URL="http://gforth.org" tooltip="Free, portable and fast"]; Forth94 -> Gforth [weight=1 color="red"] BigForth -> Gforth [weight=100] figForth -> Gforth [weight=10 color="green"] F83 -> Gforth [weight=10 color="green"] lmi_pcf [label="LMI PC/Forth" fontname="Helvetica" shape=plaintext height=0 pos="1400,394" URL="DOS Forth by Ray Duncan"]; Forth83 -> lmi_pcf [weight=1 color="red"] urforth [label="LMI UR-Forth" fontname="Helvetica" shape=plaintext height=0 pos="1600,373"]; Forth83 -> urforth [weight=1 color="red"] lmi_pcf -> urforth [weight=100] lmi_meta [label="LMI Metacompilers" fontname="Helvetica" shape=plaintext height=0 pos="1500,394"]; lmi_pcf -> lmi_meta [weight=100] kForth [fontname="Helvetica" shape=plaintext height=0 pos="2500,324" URL="http://ccreweb.org/software/kforth/kforth.html" tooltip="Free, by Krishna Myneni"]; Forth94 -> kForth [weight=1 color="red"] urforth -> kForth [weight=10 color="green"] MultiForth [fontname="Helvetica" shape=plaintext height=0 pos="1000,471" URL="http://www.forth.com/resources/evolution/evolve_3.html#3.2" tooltip="for 68000 from Don Colburn"]; figForth -> MultiForth [weight=100] MacForth [fontname="Helvetica" shape=plaintext height=0 pos="1400,443" URL="http://www.macforth.com/" tooltip="Creative Solutions (Don Colburn)"]; MultiForth -> MacForth [weight=100] MacForthplus [label="MacForth+" fontname="Helvetica" shape=plaintext height=0 pos="1700,443" URL="http://www.macforth.com/" tooltip="Creative Solutions (Don Colburn)"]; MacForth -> MacForthplus [weight=100] PowerMacForth [fontname="Helvetica" shape=plaintext height=0 pos="2500,415" URL="http://www.macforth.com/" tooltip="Creative Solutions/Forth, Inc./Megawolf"]; MacForthplus -> PowerMacForth [weight=100] Forth94 -> PowerMacForth [weight=1 color="red"] CarbonMacForth [label="Carbon MacForth" fontname="Helvetica" shape=plaintext height=0 pos="3000,415" URL="http://www.macforth.com/" tooltip="Megawolf, MacOS X support"]; PowerMacForth -> CarbonMacForth [weight=100] Forth94 -> CarbonMacForth [weight=1 color="red"] Neon [fontname="Helvetica" shape=plaintext height=0 pos="1500,44" URL="http://foldoc.doc.ic.ac.uk/foldoc/foldoc.cgi?Neon" tooltip="by Charles Duff"]; Smalltalk [fontname="Helvetica" shape=plaintext height=0 pos="1000,37"]; Forth -> Neon [weight=10 color="green"] Smalltalk -> Neon [weight=10 color="green"] Yerk [fontname="Helvetica" shape=plaintext height=0 pos="2000,72"]; Neon -> Yerk [weight=100] Mops [fontname="Helvetica" shape=plaintext height=0 pos="2000,44" URL="http://www.powermops.org/" tooltip="by Mike Hore"]; Neon -> Mops [weight=10 color="green"] PowerMops [fontname="Helvetica" shape=plaintext height=0 pos="2600,44" URL="http://www.powermops.org/" tooltip="by Mike Hore"]; Mops -> PowerMops [weight=100] Flint [fontname="Helvetica" shape=plaintext height=0 pos="1900,268"]; PocketForth [fontname="Helvetica" shape=plaintext height=0 pos="2300,303"]; Flint -> PocketForth [weight=10 color="green"] figForth -> PocketForth [weight=10 color="green"] F83Y [fontname="Helvetica" shape=plaintext height=0 pos="1400,499"]; F83 -> F83Y [weight=100] ZF [fontname="Helvetica" shape=plaintext height=0 pos="1500,499" tooltip="(aka DF) by Tom Zimmer"]; F83Y -> ZF [weight=100] FPC [label="F-PC" fontname="Helvetica" shape=plaintext height=0 pos="1800,499" URL="http://www.eforth.com.tw/academy/library/f-pctech.htm" tooltip="by Tom Zimmer"]; ZF -> FPC [weight=100] TCOM [fontname="Helvetica" shape=plaintext height=0 pos="2000,499"]; FPC -> TCOM [weight=100] Win32Forth [fontname="Helvetica" shape=plaintext height=0 pos="2400,478" URL="http://win32forth.sourceforge.net/" tooltip="public domain, by Andrew McKewan and Tom Zimmer"]; Forth94 -> Win32Forth [weight=1 color="red"] FPC -> Win32Forth [weight=100] F83 -> Win32Forth [weight=10 color="green"] Yerk -> Win32Forth [weight=10 color="green"] figForth -> Win32Forth [weight=10 color="green"] WorkForth [fontname="Helvetica" shape=plaintext height=0 pos="1300,436"]; figForth -> WorkForth [weight=10 color="green"] PowerForth [fontname="Helvetica" shape=plaintext height=0 pos="1500,408" URL="http://www.mpeltd.demon.co.uk/forthsta.htm" tooltip="by MPE"]; Forth83 -> PowerForth [weight=1 color="red"] WorkForth -> PowerForth [weight=100] ModularForth [fontname="Helvetica" shape=plaintext height=0 pos="1700,415" URL="http://www.mpeltd.demon.co.uk/forthsta.htm" tooltip="by MPE"]; Forth83 -> ModularForth [weight=1 color="red"] PowerForth -> ModularForth [weight=100] GemForth [fontname="Helvetica" shape=plaintext height=0 pos="1800,394"]; Forth83 -> GemForth [weight=1 color="red"] PowerForth -> GemForth [weight=100] PFD [label="ProForth for DOS" fontname="Helvetica" shape=plaintext height=0 pos="1800,233" URL="http://www.mpeltd.demon.co.uk/pfd.htm" tooltip="32-bit by MPE"]; Forth83 -> PFD [weight=1 color="red"] PowerForth -> PFD [weight=100] PFW [label="ProForth for Windows" fontname="Helvetica" shape=plaintext height=0 pos="2100,233" URL="http://www.mpeltd.demon.co.uk/pfw2.htm" tooltip="by MPE"]; Forth83 -> PFW [weight=1 color="red"] PFD -> PFW [weight=100] PFW -> Win32Forth [weight=10 color="green"] Pcode [label="UCSD Pascal" fontname="Helvetica" shape=plaintext height=0 pos="800,128"]; AnsiC [label="ANSI C" fontname="Helvetica" fontcolor="red" shape=plaintext height=0 pos="2000,107"]; SENDIT [fontname="Helvetica" shape=plaintext height=0 pos="2300,184"]; AnsiC -> SENDIT [weight=10 color="green"] Pcode -> SENDIT [weight=10 color="green"] Forth83 -> SENDIT [weight=1 color="red"] OTA [fontname="Helvetica" shape=plaintext height=0 pos="2600,212"]; Forth94 -> OTA [weight=1 color="red"] SENDIT -> OTA [weight=10 color="green"] Practical [fontname="Helvetica" shape=plaintext height=0 pos="2700,184"]; SENDIT -> Practical [weight=100] VFXW [label="VFX Forth for Windows" fontname="Helvetica" shape=plaintext height=0 pos="2800,233" URL="http://www.mpeltd.demon.co.uk/pfwvfx.htm" tooltip="sophisticated native-code compiler by MPE"]; Forth94 -> VFXW [weight=1 color="red"] PFW -> VFXW [weight=100] SENDIT -> VFXW [weight=100] XVFX [label="VFX Cross Compilers" fontname="Helvetica" shape=plaintext height=0 pos="2800,212" URL="http://www.mpeltd.demon.co.uk/forth6.htm" tooltip="Cross-development environment by MPE"]; Forth94 -> XVFX [weight=1 color="red"] Practical -> XVFX [weight=10 color="green"] PFW -> XVFX [weight=100] bForth [fontname="Helvetica" shape=plaintext height=0 pos="2000,86" tooltip="Author: Bill Muench"]; eForth [fontname="Helvetica" shape=plaintext height=0 pos="2100,86" URL="http://forth.org/library/eforth_SOC/eforth_SOC_source/eForth1/" tooltip="Author: C. H. Ting (Bill Muench for the more complete, less popular version)"]; bForth -> eForth [weight=100] RetroForth [fontname="Helvetica" shape=plaintext height=0 pos="2800,9" URL="http://www.retroforth.org/ " tooltip="public domain, by Tom Novelli"]; cmForth -> RetroForth [weight=10 color="green"] eForth -> RetroForth [weight=10 color="green"] Pygmy -> RetroForth [weight=10 color="green"] PilotFORTH [fontname="Helvetica" shape=plaintext height=0 pos="2700,121" tooltip="for PalmOS by Neal Bridges, Quartus Handheld Software"]; cmForth -> PilotFORTH [weight=10 color="green"] Forth94 -> PilotFORTH [weight=1 color="red"] QuartusForth [label="Quartus Forth" fontname="Helvetica" shape=plaintext height=0 pos="2800,163" URL="http://www.quartus.net/products/forth" tooltip="for PalmOS by Neal Bridges, Quartus Handheld Software"]; PilotFORTH -> QuartusForth [weight=100] Forth94 -> QuartusForth [weight=1 color="red"] Reva [fontname="Helvetica" shape=plaintext height=0 pos="3500,9" URL="http://ronware.org/reva/" tooltip="small, cross-platform (x86 Linux and Windows) by Ron Aaron"]; RetroForth -> Reva [weight=100] T4 [fontname="Helvetica" shape=plaintext height=0 pos="3500,44" tooltip="by Jörg Völker presented at Forth-Tagung 2006"]; SwiftX -> T4 [weight=10 color="green"] popFORTH [fontname="Helvetica" shape=plaintext height=0 pos="1200,660"]; figForth -> popFORTH [weight=100] comFORTH [fontname="Helvetica" shape=plaintext height=0 pos="1600,660" tooltip="by Egmont Woitzel (FORTecH)"]; popFORTH -> comFORTH [weight=100] Forth83 -> comFORTH [weight=1 color="red"] kkForth [fontname="Helvetica" shape=plaintext height=0 pos="2100,373"]; Forth83 -> kkForth [weight=1 color="red"] Marc4qForth [label="MARC4 qForth" fontname="Helvetica" shape=plaintext height=0 pos="2400,352" tooltip="on Telefunken TEMIC MARC4 (a very successful 4-bit Forth chip)"]; Forth83 -> Marc4qForth [weight=1 color="red"] TalbotForth [label="Talbot tFORTH" fontname="Helvetica" shape=plaintext height=0 pos="1200,681" tooltip="by Talbot Microsystems, CA for 6809 and 6800"]; figForth -> TalbotForth [weight=100] DragonForth [label="Dragon FORTH" fontname="Helvetica" shape=plaintext height=0 pos="3100,233" URL="http://sourceforge.net/projects/dragonforth/" tooltip="for PalmOS by Dimitry Yakimov?"]; Forth94 -> DragonForth [weight=1 color="red"] _32FORTH [label="32FORTH" fontname="Helvetica" shape=plaintext height=0 pos="1800,520"]; figForth -> _32FORTH [weight=10 color="green"] F83 -> _32FORTH [weight=10 color="green"] MAF [fontname="Helvetica" shape=plaintext height=0 pos="2600,212" URL="ftp://ftp.taygeta.com/pub/Forth/Applications/ANS/maf1v02.zip" tooltip="Minimal ANS Forth by Chris Jakeman written in Forth"]; Forth94 -> MAF [weight=1 color="red"] aackosoft_fig [label="Aackosoft FIG-Forth" fontname="Helvetica" shape=plaintext height=0 pos="1200,324" URL="http://tzxvault.retrogames.com/f.htm" tooltip="for the Sinclair ZX-81"]; figForth -> aackosoft_fig [weight=100] FysForth [fontname="Helvetica" shape=plaintext height=0 pos="1300,184"]; Forth78 -> FysForth [weight=1 color="red"] tForth [fontname="Helvetica" shape=plaintext height=0 pos="2200,261" URL="http://home.iae.nl/users/mhx/t4artic.html" tooltip="for the Transputer by the Dutch Forth Workshop"]; aackosoft_fig -> tForth [weight=10 color="green"] FysForth -> tForth [weight=10 color="green"] eForth -> tForth [weight=10 color="green"] iForth [fontname="Helvetica" shape=plaintext height=0 pos="2500,261" URL="http://users.bart.nl/users/mhx/i4faq.html" tooltip="Featureful optimizing Forth for IA-32, various OSs"]; Forth94 -> iForth [weight=1 color="red"] tForth -> iForth [weight=100] mxForth [fontname="Helvetica" shape=plaintext height=0 pos="2700,261" URL="http://home.vianetworks.nl/users/mhx/mxforth.html" tooltip="Optimizing Forth for IA-32 by Marcel Hendrix"]; iForth -> mxForth [weight=100] jupiter_ace [label="Jupiter ACE" fontname="Helvetica" shape=plaintext height=0 pos="1200,205" URL="http://www.jupiter-ace.co.uk" tooltip="Home computer with Forth in ROM"]; Forth79 -> jupiter_ace [weight=10 color="green"] webForth [fontname="Helvetica" shape=plaintext height=0 pos="5000,86" URL="https://github.com/mitra42/webForth" tooltip="Author: Mitra Ardron"]; eForth -> webForth [weight=100] Forth2012 -> webForth [weight=1 color="red"] }