When comparing Evolution vs Calendar, the Slant community recommends Evolution for most people. In the question“What are the best calendar apps for Linux?” Evolution is ranked 2nd while Calendar is ranked 3rd.
Ranked in these QuestionsQuestion Ranking
Pro Good support for Google's services
Pro Manages contacts, tasks, calendar and memos as well
Pro Great integration with Gnome environment
Pro Clean interface with 2 layout variants
Going to View > Preview has the option of switching between "Classical View" and "Vertical View".
Pro Supports exchange servers
Evolution is one of the few Linux desktop e-mail clients that's supports exchange servers.
Calendar for GNOME aims to find the perfect balance between features and usability.
It has online accounts integration.
Pro Currently in active development
GNOME Calendar is improved with every release cycle of GNOME.
Con Can't choose different settings for each mail account
Settings have to applied to all mail accounts.