LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Affinity - Relationship Intelligence, Reimagined
whatdevsneed - This is whatdevsneed.
Zapflow - Zapflow is a cloud-based tool for professional investors to manage their deal flows.
SmallDevTools - Handy developer tools with a delightful interface
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.