The Lab on Fiber Technology arises from the judicious synergy of forefront Key Enabling Technologies such as Photonics and Nanotechnology. The strategies, the main achievements and related devices developed in the “Lab on Fiber” roadmap can be classified according to the specific location where functional materials are integrated, in Lab on Tip, Lab around Fiber and Lab in Fiber.(Picture: Patrizio Vaiano et al., 10.1002/lpor.201600111 pp. 922–961, in this issue)