Home News How To Install Citadel Groupware Solution In Linux By Senthilkumar September 9, 2019 Citadel is a free, web-based, open source, email and groupware solution for Linux and BSD. Complete Story Facebook Twitter Linkedin Email Print Previous articleThe Best Linux Certifications for 2019 Next articleHow to Install Cinnamon Desktop 3.4 on Ubuntu Get the Free Newsletter! Subscribe to Developer Insider for top news, trends, & analysis Email Address By subscribing, you agree to our Terms of Use and Privacy Policy. Subscribe Must Read Developer How to Install Docker on Ubuntu 24.04 Developer How to Install Freenginx on Ubuntu (Ultimate Guide) Developer How to Install KDE Plasma in Ubuntu, Debian and Mint Developer How to Install LAMP on Ubuntu 24.04 Developer Bat is a Modern Drop-in Replacement for Cat Command on Linux