Retrogram - ICQ lookalike MultiMessenger

¿Qué es Retrogram - ICQ lookalike MultiMessenger?

ICQ Messenger brings WhatsApp & Telegram together in a blazing-fast, retro ICQ 5 interface. Unique: true multi-window (each chat = window), native sticker send/receive (both platforms), QR login, ESC closes chats, lazy media loading, LRU RAM cache for instant switching, portable & setup mode (sessions persist), no cloud/telemetry, open source, dark mode, Windows/macOS/Linux support. 100% local, privacy-first, nostalgia meets modern power! Drag and Drop Filetransfer Memos can get received. etc