BestRedmineThemes work with
all 2.6+ Redmine versions (including 4.x).
Since they have been developed using the latest design and development standards,
they will also look great with most Redmine plugins.
RedmineUP Agile Plugin
Apply agile best practices to your project and tasks management
RedmineUP CRM Contacts Plugin
Manage contacts and sales: relate tasks with companies, like a CRM
RedmineUP Helpdesk Plugin
Convert your Redmine project in a Helpdesk suite