Alternativas ao Elitefile para Slack com licença de código aberto

• Slack
  Todas as plataformas Windows Mac Linux Chrome OS Android iPhone Windows Phone Blackberry Blackberry 10 Apple Watch Android Wear iPad Android Tablet Kindle Fire Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Safari Internet Explorer Xbox PHP JavaScript BSD Windows Mobile Xfce Wordpress Slack Microsoft Office Outlook Raspberry Pi S60 Chrome Microsoft Edge OpenSolaris Gmail Apache HTTP Server ASP.NET Google Drive Dropbox Cloudron NGINX JSON Go (Programming Language) Google Drive - Docs Google Apps Trello Microsoft SharePoint Microsoft Office Suite CouchDB Syncthing lighttpd Box.com Flowinity Microsoft IIS Microsoft OneDrive MediaFire SendSpace Userscloud.com zippyshare Copy.com
• Licença Open Source
  Qualquer licença Licença gratuita Licença Open Source Licença comercial