CrossFTP is a free FTP, Amazon S3, Amazon Glacier, MS AZure, and Google Cloud Storage client.

Features

• Powerful FTP and Amazon S3 client
• Amazon S3's GLACIER and DEEP_ARCHIVE storage support
• Unicode support for international sites
• Bonjour service discovery
• Site password protection
• Multi-tab navigation
• Archive browsing (.zip,.tar.gz,etc.), extraction, and compression
• Fast filtering by masks
• Transfer compression (mode Z)
• Web searching
• Auto-reconnecting and anti-idle
• Sound and event triggers

CrossFTP Pro, available for a free 30 days trial and then a license fee, adds the following features:

• Improved Amazon S3 support
• Improved Amazon Glacier support
• Compressing support
• Local encryption support
• Directory synchronization
• CouldFront CDN support
• Mutli-thread queue engine
• Backup and bi-directional synchronization tool
• Secure file transport (SSL/TLS)
• FXP (Site to Site) file transport
• IPv6 support
• FTPS/SSH file transport
• WebDav(s) and iDisk support
• Remote file edit and save
• Search for remote files and local archive files
• Speed limitation support
• URL generation for FTP, S3, private distribution, etc.