AstraChat Mobile 
   
   iOS
   - RFC-3920: Core
  - RFC-3921: Instant Messaging and Presence
  - XEP-0012 Last Activity
  - XEP-0016 Privacy lists
  - XEP-0054 VCARD-temp
  - XEP-0085 Chat State Notifications
  - XEP-0153 vCard-Based Avatars
  - XEP-0172 User Nickname
  - XEP-0184 Message delivery receipts
  - XEP-0191 Blocking commands
  - XEP-0198 Stream Management
  - XEP-0199 XMPP Ping
  - XEP-0176: Jingle ICE-UDP
  - XEP-0136: Message Archiving
  - XEP-0045: Multi-User Chat
  
       
   Android
   - RFC-3920: Core
  - RFC-3921: Instant Messaging and Presence
  - XEP-0012 Last Activity
  - XEP-0016 Privacy lists
  - XEP-0054 VCARD-temp
  - XEP-0085 Chat State Notifications
  - XEP-0153 vCard-Based Avatars
  - XEP-0172 User Nickname
  - XEP-0184 Message delivery receipts
  - XEP-0191 Blocking commands
  - XEP-0198 Stream Management
  - XEP-0199 XMPP Ping
  - XEP-0176: Jingle ICE-UDP
  - XEP-0136: Message Archiving
  - XEP-0045: Multi-User Chat
  
       
AstraChat Desktop 
      Windows
   - RFC-3920: Core
  - RFC-3921: Instant Messaging and Presence
  - XEP-0012 Last Activity
  - XEP-0016 Privacy lists
  - XEP-0054 VCARD-temp
  - XEP-0085 Chat State Notifications
  - XEP-0153 vCard-Based Avatars
  - XEP-0172 User Nickname
  - XEP-0184 Message delivery receipts
  - XEP-0191 Blocking commands
  - XEP-0198 Stream Management
  - XEP-0199 XMPP Ping
  - XEP-0136: Message Archiving
  - XEP-0045: Multi-User Chat
  
          Mac
   - RFC-3920: Core
  - RFC-3921: Instant Messaging and Presence
  - XEP-0012 Last Activity
  - XEP-0016 Privacy lists
  - XEP-0054 VCARD-temp
  - XEP-0085 Chat State Notifications
  - XEP-0153 vCard-Based Avatars
  - XEP-0172 User Nickname
  - XEP-0184 Message delivery receipts
  - XEP-0191 Blocking commands
  - XEP-0198 Stream Management
  - XEP-0199 XMPP Ping
  - XEP-0136: Message Archiving
  - XEP-0045: Multi-User Chat
  
          Linux
   - RFC-3920: Core
  - RFC-3921: Instant Messaging and Presence
  - XEP-0012 Last Activity
  - XEP-0016 Privacy lists
  - XEP-0054 VCARD-temp
  - XEP-0085 Chat State Notifications
  - XEP-0153 vCard-Based Avatars
  - XEP-0172 User Nickname
  - XEP-0184 Message delivery receipts
  - XEP-0191 Blocking commands
  - XEP-0198 Stream Management
  - XEP-0199 XMPP Ping
  - XEP-0136: Message Archiving
  - XEP-0045: Multi-User Chat