InStream CRM - Business relationship management platform - CRM alternative

Affinity - Relationship Intelligence, Reimagined

Onesheet CRM - The Simple CRM for Google Sheets

Zapflow - Zapflow is a cloud-based tool for professional investors to manage their deal flows​.

Crmble - Easy peasy crm for Trello

Attio - Attio is a radically new type of CRM that is real-time, entirely customizable and intuitively collaborative. Using Attio, your team can create, build and deploy your CRM exactly as you want it.