Based on our record, Koofr seems to be a lot more popular than GoodSync. While we know about 17 links to Koofr, we've tracked only 1 mention of GoodSync. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Or check out goodsync.com I think the free version might work as well. Source: over 2 years ago
If you're not too far from Europe* then Koofr might come pretty close to your idea. 1TB "lifetime" 160 US$ ATM (less if you find a coupon they accept at checkout, many generic Stacksocial-Codes worked in the past). I'm a happy "lifetime" user of them, only disadvantage I discovered so far: They do not store creation date/time of folders, only of files. Source: 5 months ago
"Koofr Vault is a client-side encrypted folder in your Koofr cloud storage.". Source: 7 months ago
Koofr offers cloud storage that you can access over the web, with the Koofr apps, or via protocols like WebDAV or rclone – perfectly suitable for syncing or backup. Koofr works great with Cryptomator, which encrypts your data before uploading. We are an official reseller of Koofr. Source: about 1 year ago
I have been using Koofr for several years and I have 0 complaints. Source: over 1 year ago
From Germany koofr.eu is blocked (as you requested I reported it as "false positive") From Turkey koor.eu opens as usual. Source: over 1 year ago
FreeFileSync - FreeFileSync is a free open source data backup software that helps you synchronize files and folders on Windows, Linux and macOS.
Dropbox - Online Sync and File Sharing
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
Google Drive - Access and sync your files anywhere
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.