The third data release of the Kilo-Degree Survey and associated data products Autor Jong, JTAD, Kleijn, GAV, Erben, T, Hildebrandt, H, Kuijken, K, Sikkema, G, Brescia, M, Bilicki, M, Napolitano, NR, Amaro, V, Begeman, KG, Boxhoorn, DR, Buddelmeijer, H, Cavuoti, S, Getman, F, Grado, A, Helmich, E, Huang, Z, Irisarri, N, Barbera, FL, Longo, G, McFarland, JP, Nakajima, R, Paolillo, M, Puddu, E, Radovich, M, Rifatto, A, Tortora, C, Valentijn, EA, Vellucci, C, Vriend, W-J, Amon, A, Blake, C, Choi, A, Conti, IF, Herbonnet, R, Heymans, C, Hoekstra, H, Klaes, D, Merten, J, Miller, L, Schneider, P, Viola, M