SURFconext codeJam provides an overview of the SURFconext platform for enabling scientific collaboration. Key points include: 1) SURFconext facilitates collaboration across multiple institutions, disciplines, and countries by integrating identity federations, user attributes, groups, and open social applications. 2) It combines local institutional resources with generic cloud-based collaboration services through identity federations like SURFfederation and eduGain. 3) The platform consists of functional components including identity management, attribute mapping, centralized and decentralized group management, and an open social data API for exchanging user information and authentication.