Avast launched a freeware business product. Avast Antivirus is a family of cross-platform internet security applications developed by Avast for Microsoft Windows, macOS, Android and iOS.The Avast Antivirus products include freeware and paid versions that provide computer security, browser security, antivirus software, firewall, anti-phishing, antispyware, and anti-spam among other services. Apple articles, stories, news and information. TuneUpMyMac – Best one-click optimization tool to clean, optimize, and organize Mac.