CoRD is a Mac OS X remote desktop client for Microsoft Windows computers using the RDP protocol. It's easy to use, fast, and free for anyone to use or modify.
From Apple:- I'm using an iMac (27' monitor) on OS X version 10.6.8. It won't download when I option click. I've already deleted Firefox once and re-installed it, but it still won't download.
- Thunderbird is a free, open-source, cross-platform e-mail and news (NNTP) client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a Web browser.
Install the updates to your mail client, to patch it up for work with latest version of Mac OS. Mail app in macOS Mojave offers new features for sending, receiving, and viewing email messages. You can click the Emoji button in the toolbar of emails you're writing to easily add emoji and symbols. You can insert photos or scanned documents from your nearby iPhone or iPad into your emails by clicking the Photo Browser button in the toolbar of your emails, then choosing an option. Or choose File > Import from iPhone or iPad. You can quickly move selected emails to another mailbox by clicking the Move to button in the toolbar of the Mail window, then choosing a mailbox. Mail can suggest a mailbox based on where you moved similar emails in the past. When you use Dark Mode on your Mac, Mail shows messages with a dark background. You can deselect this option in Viewing preferences in Mail and see emails with a light background, instead. Or you can switch to a light background while viewing or writing a specific message. Choose View > Message > Show with Light Background. To see the message with a dark background again, choose View > Message > Show with Dark Background.