Joe#collaboraoffice is excellent free alternative to Googles collaborative office technology, its based on Libre Office technology, #collabora is the largest contributor to #libreoffice and does a lot of other good for #freesoftware . You can install it super easy if you have a #nextcloud instance, or if you use a nice cloud host, or for no charge if you want to learn some systems administration and use your own hardware.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.