The article outlines the relevance of the development of technical creativity of schoolchildren as one of the necessary conditions for successful existence in the modern technological world, the introduction of distance learning and the transformation of the system of training future teachers in the field of supplementary technical education. The authors systematized the toolkit, the use of which allows teaching effectively, interactively, maximally involving schoolchildren in the process of technical creativity. Distance learning systems, programs and services for content creation, services for online interaction, professional programs for the development of technical creativity are highlighted in the author's classification presented on the basis of the analysis. A brief description and comparative analysis of distance learning systems are presented, the criteria for choosing a distance learning system by the organization of supplementary education are substantiated, the expediency of cooperation between the organization of supplementary education and a university in using a specific distance learning system is proved. The authors have identified four groups of software that allows the teacher to fill their courses with content and visualize educational material: programs for creating videos, presentations, infographics and timelines. The role of the system of interaction between teachers and schoolchildren for achieving high learning outcomes for school children is noted; services for online interaction are presented. The importance of specialized software for the development of technical creativity of schoolchildren, for example, integrated development environments and programs for 3D printing, is emphasized. The materials of the article are aimed at assisting the subjects of the educational process of supplementary education in choosing a distance learning system and specialized software for the development of technical creativity of schoolchildren.