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Mozilla Thunderbird Challenges Gmail With Its Own Email Service
(www.forbes.com)
This is a most excellent place for technology news and articles.
Syncthing isn't going anywhere. The Android app is the only thing that was dropped, and that was only because of Google's increasingly-difficult requirements to publish on the Play Store.
Syncthing-Fork is the spiritual successor to the original Android app and can be found on F-Droid.