| 1784 | Watt's linkage |
| 1854 | Chebyshev's linkage |
| 1877 | Kempe's lectures on linkages |
| 1984 | Lego Technic |
| 1990 | Strandbeest (Theo Jansen) |
| 1998 | The Geometer's Sketchpad, numerical locus |
| 1998 | Theatrum Machinarum, Modena, Italy |
| 2002 | GDI-Discovery, symbolic locus via CoCoA/Mathematica (Valcarce-Botana) |
| 2002 | Proof on universality of linkages (Kapovich-Millson) |
| 2010 | LADucation, combining DG and CAS via the web (Abánades-Escribano-Botana) |
| 2011 | GeoGebra's LocusEquation command (Abánades-Arbeo-Botana) |
| 2013 | Lego Mindstorms EV3 |