 As of December 2019, OIN had more than 3,100 community members (licensees).The list of key applications considered by OIN, according to Red Hat's Mark Webbink, includes Apache, Eclipse, Evolution, Fedora Directory Server, Firefox, GIMP, GNOME, KDE, Mono, Mozilla, MySQL, Nautilus, OpenLDAP, OpenOffice.org, Open-Xchange, Perl, PostgreSQL, Python, Samba, SELinux, Sendmail, and Thunderbird.On March 26, 2007, Oracle licensed OIN's portfolio, thus agreeing not to assert patents against the GNU/Linux-based environment, including competitors MySQL and PostgreSQL when used as part of a GNU/Linux system.