Alternativas ao Bettergram Messenger para JavaScript com licença gratuita

• JavaScript
  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 Opera Safari JavaScript BSD Windows Mobile Java Mobile Haiku PortableApps.com Facebook Slack FreeBSD F-Droid S60 Facebook Messenger Chrome Discord HP webOS Telegram Cloudron Sailfish OS Go (Programming Language) PureOS (Purism) Flask IPFS Nokia Store
• Licença gratuita
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Mattermost

O Mattermost é uma alternativa Slack de código aberto e auto-hospedada.

• Freemium
• Windows
• Mac
• Linux
• Android
• iPhone
• JavaScript
• iPad
• Android Tablet
• Go (Programming Language)
• Self-Hosted
• Cloudron