- Ubuntu Desktop
- Linux Mint
- CentOS
- CentOS
- Ubuntu Server
- Other (As Required)
- https://rocket.chat/
- http://www.mattermost.org/
- https://telegram.org/
- https://matrix.org/
- https://ricochet.im/
- https://github.com/zulip/zulip
- https://tox.chat/
- http://www.viber.com/en/
- http://www.wechat.com/en/
- https://icq.com/mac/en
- http://line.me/en-US/
- https://jitsi.org/
- http://www.pidgin.im/
- https://ring.cx/
- https://xmpp.org/
- https://www.nylas.com/nylas-mail/
- https://www.mozilla.org/en-US/thunderbird/
- http://www.claws-mail.org/
- http://www.gnu.org/software/mailman/index.html
- https://roundcube.net/
- https://www.mailpile.is/
- http://www.rainloop.net/
- http://www.afterlogic.org/webmail-lite
- https://github.com/nylas/sync-engine
- https://atom.io/
- https://github.com/Microsoft/vscode
- http://brackets.io/
- https://notepad-plus-plus.org/
- http://komodoide.com/komodo-edit/
- http://codiad.com/
- https://www.libreoffice.org/
- https://open365.io/
- https://www.calligra.org/get-calligra/
- http://onlyoffice.org/
- http://www.fengoffice.com/web/opensource/
- https://owncloud.org/features/
- https://www.gimp.org/
- https://inkscape.org/en/
- https://vectr.com/
- https://pixlr.com/
- https://krita.org/en/
- https://github.com/InvoicePlane/InvoicePlane
- https://github.com/invoiceninja/invoiceninja
- https://github.com/dotledger/dotledger
- http://www.manager.io/
- https://www.gnucash.org/
- http://ledgersmb.org/
- http://webzash.org/
- http://homebank.free.fr/
- https://www.waveapps.com/pricing/
- https://zipbooks.com/
- https://www.alfresco.com/why-alfresco
- http://www.liferay.com/products/liferay-social-office
- http://www.openkm.com/en/community.html
- https://github.com/humhub/humhub
- https://www.casebox.org/
- http://www.openkm.com/
- https://www.atlassian.com/software/confluence
- http://www.snebu.com/
- https://bup.github.io/
- https://backup.github.io/backup/v4/
- https://www.urbackup.org/
- https://borgbackup.readthedocs.io/en/stable/
- http://www.amanda.org/
- https://www.bareos.org/en/#
- http://blog.bacula.org/
- http://synchronicity.sourceforge.net/
- https://www.duplicati.com/
- https://www.seafile.com/en/product/private_server/
- https://fogproject.org/
- https://restic.github.io/
- http://rsnapshot.org/
- https://syncthing.net/
- https://linux.die.net/man/1/rsync
- https://owncloud.org/
- https://pydio.com/
- http://www.organimi.com/pricing
- http://www.jointjs.com/
- https://www.gliffy.com/uses/org-chart-software/
- https://www.draw.io/
- https://github.com/Jermolene/TiddlyWiki5
- https://github.com/splitbrain/dokuwiki
- https://github.com/foswiki/distro
- https://github.com/gollum/gollum
- https://moinmo.in/
- http://osticket.com/
- http://www.spiceworks.com/free-help-desk-software/
- http://www.otrs.com/software/open-source/
- https://bestpractical.com/rt-and-rtir
- https://www.atlassian.com/software/jira/service-desk
- https://livehelperchat.com/
- https://www.livezilla.net/home/en/
- https://www.simplechat.support/
- http://helpcenterlive.com/
- https://rocket.chat/
- https://www.intercom.com/
- https://sensuapp.org/
- http://www.spiceworks.com/free-network-monitoring-management-software/
- https://www.consul.io/
- https://www.adremsoft.com/netcrunch/
- http://www.cacti.net/
- http://www.librenms.org/
- https://www.nagios.org/projects/
- https://www.paessler.com/prtg
- https://www.elastic.co/products (ELK)
- https://www.graylog.org/
- https://graphiteapp.org/
- https://github.com/getsentry/sentry
- https://github.com/winstonjs/winston
- https://github.com/Seldaek/monolog
- https://github.com/arachnys/cabot
- https://github.com/elastic/beats
- https://github.com/prometheus/prometheus
- https://www.sugarcrm.com/
- https://suitecrm.com/
- https://www.odoo.com/page/community
- http://zurmo.org/download
- http://www.spiceworks.com/free-pc-network-inventory-software/
- http://www.cmdbuild.org/en/prodotti/cmdbuild
- http://www.whitesourcesoftware.com/
- https://snipeitapp.com/
- https://www.freepbx.org/
- http://www.asterisk.org/
- https://www.3cx.com/free-pbx-edition/
- https://github.com/kamailio/kamailio
- https://github.com/OpenSIPS/opensips
- http://www.linphone.org/
- https://www.nginx.com/
- https://httpd.apache.org/
- http://serverless.com/
- https://github.com/joewalnes/websocketd
- https://github.com/youtube/vitess
- https://github.com/phusion/passenger
- https://github.com/cesanta/mongoose
- https://github.com/h2o/h2o
- https://caddyserver.com/
- https://github.com/h5bp/server-configs
- http://ajenti.org/
- https://serverpilot.io/pricing
- http://froxlor.org/
- https://github.com/webmin/webmin
- https://vestacp.com/
- https://www.virtualmin.com/
- https://github.com/serghey-rodin/vesta
- https://serverpilot.io/
- http://centos-webpanel.com/
- https://sandstorm.io/
- https://arkos.io/
- https://trello.com/
- https://taiga.io/
- https://wekan.io/
- http://kanboard.net/
- http://phabricator.org/
- http://www.orangescrum.org/
- https://www.openproject.org/open-source/
- http://www.agilefant.com/open-source/
- https://waffle.io/
- https://www.tuleap.org/
- https://github.com/odoo/odoo
- https://community.mycollab.com/
- http://restya.com/board/
- http://www.libreplan.com/home/
- https://redmine.org/
- https://archmule.com/
- https://hive.com/
- https://freedcamp.com/
- https://www.drupal.org/project/openatrium
- https://www.atlassian.com/software/jira
- http://activiti.org/
- http://www.processmaker.com/community-2
- http://www.bonitasoft.com/products#versions-community
- https://camunda.org/
- https://www.modelio.org/
- http://www.sydle.com/en/bpm/