aTalk

aTalk is an XMPP client that supports the following features:

• Instant messaging in plain text and End-to-End encryption with OMEMO or OTR
• SSL Certificate authentication, DNSSEC and DANE Security implementation for enhanced secure Connection Establishment
• OMEMO encryption in group chat session enhancing privacy and security
• OMEMO Media File Sharing for all files
• Support HTTP File Upload for file sharing with offline contact and in group chat
• Support Stickers, Bitmoji and Emoji rich content sharing via Google Gboard
• Send and receive files for all document types and images, with thumbnail preview and gif animation
• Auto accept file transfer request with max file size option
• Implement fault-tolerance file transfer algorithm, via Jingle File Transfer, Legacy In-Band/SOCK5 Bytestreams and HttpFileUpload protocols to ease and enhance file sharing reliability
• Enhance and harmonize UI for file sharing in chat and chatRoom
• Support share, quote and forward of messages and medias with preview prior to sending
• Support multi-instances of audio media player with functions: Play, Pause, Resume, Stop and Seek
• Support unread message badges in contact and chatRoom list views
• User selectable option for heads-up notification and quite hours
• Share of social media links are tagged with thumbnail and title
• Support Text to Speech and speech recognition UI with enable option per chat session (contact and group chat)
• Implement call waiting to accept a second incoming call by placing the in-progress call on hold; and allow switching between calls
• Implement Jabber VoIP-PBX gateway Telephony, allowing PBX phone call via service gateway
• Multi-user chat Join or create room with full room configuration support for owner
• Integrated captcha protected room user interface with retry on failure
• Support both voice and video call with ZRTP, SDES and DTLS SRTP encryption modes
• ZRTP crypto algorithms uses SHA-2 384, 256bit ciphers AES256 & TWOFISH-256, enabling elliptic with Curve 25519
• SDES encryption with AES256 and AES192, acceleration using OpenSSL
• Support simultaneous media call and message chat sessions
• Unique GPS-Location implementation; Unique GPS-Location implementation as standalone tool, send locations to your desired buddy for real-time tracking or playback animation
• A 360° street view of your current location use for self-guided tour. The street view tracks and follows your direction of sight.
• Integrated photo editor with zooming and cropping, user can update the avatar with ease
• Last message correction, message carbons and offline messages (OMEMO)
• Stream Management and mobile network ping interval self-tune optimization support
• In-Band Registration with Captcha option support
• Multiple accounts creation
• User selectable Themes support
• Multi-language UI support (Bahasa Indonesia, English, German, Portuguese, Russian, Slovak and Spanish)
• Online help support