Open Knowledge Maps (OKM) is a pioneering platform that enhances the visibility and accessibility of scientific knowledge through innovative visualization tools. Established in 2016 and headquartered in Vienna, Austria, OKM operates the largest visual search engine for research worldwide. This platform allows users to create knowledge maps that provide an instant overview of research topics, visually representing the relationships between various research papers and concepts. This feature simplifies navigation through complex academic landscapes, making it easier for users to explore existing literature and identify gaps in knowledge. The platform is committed to the principles of open science, ensuring that all its source code, content, and data are shared under open licenses. This commitment to transparency and collaboration is reflected in its community-driven approach, where stakeholders actively participate in the development and enhancement of its services. OKM serves a diverse user base, including researchers, educators, students, librarians, and science journalists, facilitating access to scientific content across various disciplines and geographic regions. With features such as a visual search engine, custom services for organizations, and community engagement initiatives, OKM is positioned as a valuable resource for enhancing the discoverability of scientific knowledge. While it has its limitations, including a potential lack of coverage in niche areas of research and a learning curve for new users, the overall feedback from the community has been positive, highlighting its innovative approach to research discovery and its commitment to open science principles.