Project OS : Notion Template - Project Management Notion Template for more productivity
Hyperfocus OS - Projectmanagement for Individuals - Scrum x GTD
Outlign - Process-driven project management for agencies & clients
Nifty - Manage projects, work, and communications in one place.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Alltum - Project management built around your inbox