Citavi
Description: Citavi is reference management and knowledge organization software for students and researchers. It allows you to collect, organize, and cite sources for papers and research projects. Key features include creating a publications database, knowledge categories and groups, and automatic citation and bibliography creation.
Type: software
Telegram
Description: Telegram is a cloud-based instant messaging and voice over IP service. It offers end-to-end encrypted video calling, file sharing, and several other features. Telegram clients exist for both mobile and desktop systems.
Type: software
Pricing: Free