A9Cad (2d cad) - http://www.a9tech.com/
A9Cad Convertor (cad versions) - http://www.a9tech.com/
Accident Sketch (online) - http://draw.accidentsketch.com/
AllyCad Freeware version - http://www.allycad.com/freeware.asp
Ambereh - http://www.xentrik.net/software/ambereh.html
Asymptote (vector graphics) - http://asymptote.sourceforge.net/
AutoCad Ownerguard PE (ownership) - http://www.armjisoft.com/?page=autocadownerguard
Autodraw (online) - https://www.autodraw.com/

BabaCad - http://www.babacad.com/index.html
BestCurFit - http://rodomontano.altervista.org/engbestcurfit.php
Bezier Draw (Java) - http://www.vaxxine.com/apenner/
Blueprint Now - http://www.solidworks.com/sw/products/free-cad-software-downloads.htm

Cad X11 Free (reg req) - http://www.graytechsoftware.com/products/cadx11/cadx11free.asp
Cade - http://www.weresc.com/cade.php
Cademia - http://svn.cademia-consult.com/0815zxa/binary/CADEMIA_E72D-9276-00D9-4B86-9B3D-9E49-C933-A8D4/4.0RC6/
CadStd lite - http://www.cadstd.com/index.html
CadVance (reg Req) - http://www.cadvance.com/65form.htm
Callshow Sequence Diagram Generator - http://callflow.sourceforge.net/
Copan (land survey) - http://www.underhill.ca/software/copan-windows
Corner - http://www.microsystools.com/products/corner/
CR8tracer (bitmap->vector) - http://www.cr8software.net/tracer.html
Creative Docs - http://www.creativedocs.net/
CreatureHouse Expression (English app - click Telecharger)
 - http://www.01net.com/telecharger/windows/Multimedia/creation_graphique/fiches/35072.html
Cumulate Draw (beta) - https://sourceforge.net/projects/cumulatedraw/

Desi-III (DOS) - not found
Dia - https://wiki.gnome.org/Apps/Dia
 - Dia for Windows - http://dia-installer.de/
 - Dia2Code - http://dia2code.sourceforge.net/
 - DiaCze - http://en.cze.cz/DiaCze
DoubleCad XT (reg req) - https://www.turbocad.com/content/doublecad-xt-v5
Draft It (reg req) - http://www.cadlogic.com/products/draftit/index.htm
DraftSight (reg req) - http://www.3ds.com/products/draftsight/
 - http://www.solidworks.com/sw/products/free-cad-software-downloads.htm
Draw4free (on/offline - JRE req) - http://www.draw4free.com/drawPage.htm
Drawings Now (share) - not found
Draw SWF (JRE req) - http://drawswf.sourceforge.net/
DrawWorx - not found
DualCad - http://pcscad.com/index.html
Dynamic Draw - http://www.dynamicdraw.com/

Eagle lite (PCB) - http://www.cadsoftusa.com/product-overview/
Easy Cad to SVG Converter - http://www.benzsoft.com/
Edraw - http://www.edrawsoft.com/freemind.php
Enigma (Icon/Image editor) - not found 
EpiGram - http://www.brixtonhealth.com/epigram.html
EVE (Embedded Vector Editor) - http://barryk.org/goosee/
EveryDWG (DWG<->DWF) - http://priede.bf.lu.lv/ftp/pub/GIS/failu_paarveide/DXF_DWG/guestfiles.html

Google Search Plugin - http://www.planetude.fr/html/dwg_google_plugin.asp)
Google Sketchup = Sketchup Make

Hycad - http://www.tucows.com/preview/503238/HYCAD

ImageForge - no longer free
Implicit Curves 3.1 - http://www.tonytooth.co.uk/page5.html
InfoWorks RS Free Edition (2d rivers) - not found
Inkscape - http://www.inkscape.org/
Insight Point (vector graphics drawing tool) - http://www.icytec.com/
Instant Photo Sketch - http://clipping-path-studio.com/instant-photo-sketch/

JustCad - http://justcad.com/

LibreCad - http://librecad.org/cms/home.html
- LibreCad Portable - http://www.thinstallsoft.com/librecad/
L-System Vector Generator - not found

Mini CAD Viewer - http://en.zxt2007.com/picture-tools/minicadviewer.html

NanoCad (reg req ffpu) - http://nanocad.com/
NetDraw (draw over network) - http://www.jeb.com.fr/en/netdraw.shtml
Network Notepad - http://www.networknotepad.com/

Panoply (Java)  - http://www.giss.nasa.gov/tools/panoply/
 - http://www.freewarefiles.com/Panoply_program_16690.html
Pencil (draw,export to swf) - http://pencil.evolus.vn/Features.html
PlantUmlEditor - http://code.google.com/p/plantumleditor/
PowerDraw - http://download.chip.eu/en/PowerDraw-3.0_1175964.html
Power System Simulator - notfound

QCad - http://sourceforge.net/projects/qcad/
 - http://www.qcad.org/en/
-----------------------------------------------------
Rapid Drawing (curves) - not found
RasterVect Free Edition (convert Raster to Vector) - http://www.rastervect.com/

Simple 2D CAD/CAM - http://simple2dcadcam.sourceforge.net/
Simple Vector Shapes - https://sites.google.com/site/acontoli/vectshapeshlp)
SketchUp = Sketchup Make
Sketchup Make - http://www.sketchup.com/products/sketchup-make
Smoothdraw (freehand, easy to use - slow connection) - http://www.smoothdraw.com/
Sodipodi - http://sourceforge.net/projects/sodipodi/
SolidEdge Free 2D - http://www.plm.automation.siemens.com/en_us/products/velocity/solidedge/free2d/index.shtml
Solidworks Explorer - http://www.solidworks.com/sw/products/free-cad-software-downloads.htm
Spray (Vector Generator W98/ME/XP) - http://download.cnet.com/SPRAY-vector-generator/3000-2191_4-10623895.html
SVGsee (Scalable Vector Graphics editor) - not found
SwitcherCad (PCB/power) - http://download.chip.eu/en/SwitcherCAD_695428.html
TeeChart Office - http://www.freewarefiles.com/TeeChart-Office_program_1136.html
TeeTree Office - not found
Teigha Viewer - https://www.opendesign.com/guestfiles/teigha_viewer
ThanCad - http://thancad.sourceforge.net/
Tigercad - http://peterhoward42.blogspot.com/2008/07/tigercad.html
TinyCad (scematics/circuit diagrams) - http://sourceforge.net/projects/tinycad/
Twisted Brush - http://www.pixarra.com/product.html

UniDraw - http://www.brothersoft.com/unidraw-client-95077.html

Visual Thought - http://www.chapelhill.homeip.net/horton/copies/VT.html

WinPlot (draw/animate curves) - http://math.exeter.edu/rparris/winplot.html

-----------------------------------------------------
Viewers

DWG TrueView - http://usa.autodesk.com/adsk/servlet/home?id=14173983&siteID=123112
Edrawings Viewer - http://www.solidworks.com/sw/products/free-cad-software-downloads.htm
Mini CAD Viewer - http://www.zxt2007.com

Free CAD, CAM, CAE apps - http://www.freebyte.com/cad/cad.htm#electricalsystems
Free & Cheap CAD - http://www.eland.org.uk/pages/Misc/cadnotes.html
list - http://freeware.intrastar.net/cadsoftware.htm
-----------------------------------------------------
Art/Cartoon

Cartoonist - http://www.vicman.net/cartoonist/index.htm
CreaToon(2d) - http://www.creatoon.com/index.php
Synfig (2d animation) - http://www.synfig.org

List - http://www.hongkiat.com/blog/50-websites-for-free-vector-images-download/

-----------------------------------------------------
Computer Graphics/Buttons/Tiles/Textures

AMP Tile Viewer - http://www.ampsoft.net/utilities/
ButnMaker (hpnf) - http://www.brothersoft.com/btnmaker-6176.html
Buttonz & Tiles - http://www.feldfunker.de/?s=Buttonz+and+Tilez
DeKnop (Button manager) - http://deknop.sjfrancke.nl/index.html
Creative (graphics from images) - http://creative.sourceforge.net/
Deknob (button maker) - http://deknop.sjfrancke.nl/
Easy Tiler - http://www.btinternet.com/~jolinton/JollySoftware/index.html
Electronic Scrimshaw (pattern generator) - http://dfs.uh-hosting.co.uk/scrimshawonly.html
Emboss - http://www.lionking.org/~timwi/progs.htm
Emote Maker (emoticons) - http://software.resplace.net/EmoteMaker/
Genetica Viewer - http://spiralgraphics.biz/viewer/index.htm
Glass Button Maker - http://www.haztek-software.com/apps/gbm.html
Glyph Preview - http://www.xarka.com/freeware/tools.html
Image Tile Viewer - http://www.martin2k.co.uk/vb6/vb6download.php
MS Expression Design 4 - http://www.microsoft.com/en-us/download/details.aspx?id=36180
MuRa's Seamless Filters - http://www.oocities.com/murakuma/doc/msPsFltA/msPsFltA.html
NeoTextureEdit - http://neotextureedit.sourceforge.net/
Noiselab Procedural Texture Generator - https://sites.google.com/site/noiselab15/
Pixel Toolbox - http://www.axiomx.com/free_software.htm
Quick Tile Viewer - http://zetacentauri.com/software_quicktileviewer.htm
sTile (was HarmWave/Harm's Tile/Harm's Tile99/sTile99) - http://www.harmware.net/stile.htm
Texture Editor - http://www.softpedia.com/get/Multimedia/Graphic/Graphic-Editors/Texture-Editor.shtml
 - http://www.nonags.com/freeware-texture-editor_1258.html
Texture King (online) - https://www.textureking.com/
Texture Maker - http://www.falcoware.com/FalcoTextureMaker.php
Texture Studio - http://www.blitzbasic.com/Community/posts.php?topic=46368
Texturez (online) - http://texturez.com/
TG (Texture Generation) - http://blackpawn.com/dev/tg.html
Wood Workshop - http://www.spiralgraphics.biz/ww_overview.htm
XDS Diagram (Xml Schema Definition) - http://regis.cosnier.free.fr/?page=XSDDiagram 
Z Paint - http://www.steffengerlach.de/freeware/index.html

-----------------------------------------------------
Convert

CSGDwgDxfConverter (CSG<->DXF) - http://www.cad-schroer.com/Support/Downloads/
DWG to PDF Creator - http://www.skysof.com/
ToMetric (Gerber to metric) - http://www.romanblack.com/tometric.htm

-----------------------------------------------------
Graph/Chart/Diagram (see also: Education-Maths)

A & G Grapher - http://www.runiter.com/downloads.htm
Algodraw (flowcharts) - http://algorigramme.free.fr/en.htm
APM Graph LV - http://www.apmwm.com/eng/free
Arbores (syntactic trees) - http://www.thomastsoi.com/computer/
ArchEd (Harris-Matrices) - https://www.ads.tuwien.ac.at/arched/
Archim - http://www.stochastic-lab.com/archim.html
AutoFlowchart - (no longer free)
Bar Graph MDI (GRML Browser hpnf) - http://wareseeker.com/Network-Internet/bar-graph-mdi-3.65.zip/256728
Bmp-Emf Grapher - http://bmp-emf-grapher.nm.ru/
Buba Chart (Area,Bar,Column,Line,Pie - Net1.1 req) - http://www.bubasoft.net/chart/Chart.aspx
Datascape - http://sites.google.com/site/nilaysoft/datascape
Diagram Designer - http://meesoft.logicnet.dk/DiagramDesigner/
Diagramly (online) - https://www.draw.io/
Diagram Viewer - http://illusions.hu/index.php?task=100&statpage=52
Digitizer (of graph images) - http://valterk.edicypages.com/apps
DITAA (Diagrams Through Active Art) - http://ditaa.sourceforge.net/
Dynamic Diagram PE (of network) - http://www.netbraintech.com/netbrain-product/personal_edition/
Engauage Digitizer - http://digitizer.sourceforge.net/
Gliffy (online free version = 1 user/5 diagrams) - http://www.gliffy.com/products/online/
Graph Builder - http://www.falcoware.com/downloads_icon_editors.php
Graph Converter lite - http://www.falcoware.com/downloads_icon_editors.php
Graphity (editor) - http://www.yworks.com/en/products.html
Graphing Calculator - http://www.runiter.com/downloads.htm
Graphs Made Easy - http://www.graphsmadeeasy.com/
Graph Maker (Sacmeq - hpnf) - http://wareseeker.com/Web-Development/graph-maker-1.0.zip/36d93062a
Graph Maker (Grey Ollwit) - http://www.greyolltwit.com/graphmaker.html
Graphviz - http://www.graphviz.org/
Greenfish Plot Mobile (curves) - http://www.freewarefiles.com/Greenfish-Plot-Mobile_program_47704.html
Grids (rareware) - http://htmole.altervista.org/mainpage.htm
Harmonograph (patterns) - http://www.worldtreesoftware.com/fun/hgraph/index.html
JMCAD (block diagrams) - http://jmcad.sourceforge.net/
Lovely Charts (reg req - only 1 chart free) - http://www.lovelycharts.com/
Lucidchart (fv) - https://www.lucidchart.com/personahomepage
Match Generator (128 teams) - http://www.tightcannon.co.uk
Pencil Project - http://pencil.evolus.vn/Default.html
Plotter - http://valterk.edicypages.com/apps
R-Plot - http://www.rathlev-home.de/home-e.html#rplot
TeeChart Office - http://www.steema.com/download/other_projects
TeeTree Office - http://www.softpedia.com/get/Multimedia/Graphic/Graphic-Editors/TeeTree-Office.shtml
WZGrapher Function Grapher & Math Problem - http://www.walterzorn.com/
YEd (diagram editor) - http://www.yworks.com/en/products_yed_about.html 

----------------------------------------------------- 

Circuit/Electical Diagrams

Cads (draw/print circuits) - http://www.sigord.co.uk/Submits/Software.htm
Circuit Diagram - http://www.circuit-diagram.org/
Circuits.io (online) - http://www.circuits.io/
EasySoft - http://www.moeller.net/en/products_solutions/motor_applications/control/easy/software.jsp
EEDraw - http://www.romanblack.com/eedraw.htm
FidoCadJ - http://sourceforge.net/projects/fidocadj/
 - http://davbucci.chez-alice.fr/index.php?argument=elettronica/fidocadj/fidocadj.inc&language=English
Filter Design - http://www.aade.com/
Genie Design Studio (ffpu) - http://www.genieonline.com/?page=circuit.index
PSpice Schematics Installer - http://www.cadence.com/products/orcad/pages/downloads.aspx
PowerVue lite - http://www.megasyssoftware.com/powervue.php
TinyCad (scematics/circuit diagrams) - http://sourceforge.net/projects/tinycad/

----------------------------------------------------- 

Roster/Tournament

ALJ Tournament Maker (Adrian Jones) - http://www.adrianljones.com/software.htm
Football Roster Assistant - http://www.ducksters.com/coaching/footballrostersoftware.php
IngenPool 2.3 (Daniel Lavigne) - http://www.fileguru.com/IngenPool/info
JA Tennis - http://ja-tennis.win7dwnld.com/
 - http://jatennis.free.fr/
PrintYourBrackets (online) - http://printyourbrackets.com/
Splendid City Sports Scheduler - http://splendidcity.net/
SportsDraw (Mark Jacobs) - http://www.fileguru.com/SportsDraw/info
Tournament Bracket Builder - http://www.softpedia.com/get/Others/Home-Education/Tournament-Bracket-Builder.shtml
Tournament Bracket Generator (online) - http://challonge.com/tournament/bracket_generator
Tournament Graph - (Nutty software)
Tournament Maker - http://www.adrianljones.com/software.htm
Tournament Organizer Pro (hpnf) - http://3d2f.com/programs/8-326-professional-tournament-organizer-download.shtml

-----------------------------------------------------
Room/Garden Planners

Arrange A Room (Better Homes & Gardens - online) - http://www.bhg.com/decorating/arrange-a-room/
Autodesk Homestyler (was Project Dragonfly - online) - http://www.homestyler.com/home
Blophome - http://www.blophome.com/EN/
ColorJive - http://colorjive.com/home.action
Color Scheme Designer - http://colorschemedesigner.com/
Colors Pallette Generator - http://www.cssdrive.com/imagepalette/index.php
Design Your Garden (BBC) - http://www.bbc.co.uk/gardening/design/
 - Virtual Garden - http://www.bbc.co.uk/gardening/htbg2/virtual_garden/
Design Your Room (online) - http://www.designyourdorm.com/
DreamPlan Home Design Software - http://www.nchsoftware.com/design/index.html
Envisioneer Express - http://www.envisioneerexpress.com/
Exhibit Core Floor Planner (online) - http://www.exhibitcore.net/e_manager/floorplanner/exhibitcoreplanner.aspx
Garden Design Tool (online - reg req) - http://www.plantify.co.uk/garden-design-tool/about
Floorplan 3D - 
Floorplanner (2d/3d - ffpu) - http://www.floorplanner.com/
Floorplanner (online) - http://www.smallblueprinter.com/floorplan/floorplan.html
Gliffy - http://www.gliffy.com/floor-plan-software/
Ikea Room Planners - http://www.ikea.com/ms/en_US/rooms_ideas/splashplanners_new.html
 - http://www.ikea.com/ms/en_GB/customer_service/ikea_services/kitchen_planner.html
Master-Design Art-Shop X-lite - http://www.tips.it/eng/master_design_negoziante.htm
MyVirtualHome - http://mvh.com.au/portal/component/option,com_frontpage/Itemid,1/
OpunPlanner (online) - http://opunplanner.com/interior-design-software.php
PCon Planner - http://pcon-planner.com/
Project Dragonfly - now Autodesk Homestyler
Room Arranger 3.26 (LFV) - http://www.321download.com/LastFreeware/page31.html
Roomeon 3D Planner (ffpu) - http://en.roomeon.com/features
Roomful Express (online) - http://roomfulexpress.icovia.com/
Room Sketcher - http://www.roomsketcher.com/en/
Showoff Home & Landscape Design (reg req - online) - http://www.showoff.com/
Sweet Home 3D - http://sweethome3d.sourceforge.net/
Workshop Planner (online) - http://cdn0.grizzly.com/shopplanner/v1-4/1/shopplanner.html