What is the best CRM for a small development team?

Question

CRM

Basic requirements: financial management, clients (attaching contracts, information, attaching tasks), gantt chart, task management, calendar, and most importantly - a simple intuitive interface.
Do not offer: Bitrix, Megaplan, amo crm, redmive - all of them with a stupid interface and a bunch of overload.

Answer 1

Which task scheduler to choose for a small team?
Which CRM to choose for a small WEB team?
Which CRM system / bug tracker to choose?

Answer 2

streak or trello