Synology DiskStation Manager - DiskStation Manager is a data storage platform that comes with a completely private collaboration suite.
Tweedle App - Notion is nice but sometimes all you need is an app like Tweedle.
CTERA - CTERA is the global leader in edge-to-cloud file services.
Plume - App for writing documents, scripts, books and more.
Nutanix - Nutanix is a virtualized datacenter platform that provides disruptive datacenter infrastructure solutions for implementing enterprise-class.
Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.