Backup utilities: 1. IMAP Backup - https://github.com/joeyates/imap-backup 2. IMAPSync - https://github.com/imapsync/imapsync 3. FSArchiver - https://www.fsarchiver.org/ 4. Duplicati - https://www.duplicati.com/ 5. Macrium Reflect (nonfree Windows) - https://www.macrium.com/reflectfree Performance monitoring: 1. Glances - https://nicolargo.github.io/glances/ 2. netdata - https://www.netdata.cloud/ 3. mysqltuner 4. iotop Cloud storage: 1. Nextcloud - https://nextcloud.com/ File managers: 1. FileZilla - https://filezilla-project.org/ 2. mc - https://midnight-commander.org/ 3. Total Commander - https://www.ghisler.com/ Terminal / Shell: 1. zsh 2. Windows Terminal - Windows Store 3. oh-my-zsh - https://ohmyz.sh/ 4. oh-my-posh - https://ohmyposh.dev/