They provide a lot of features, currently we are using mostly planning and expense tracking. One of the best customer service support (they even have integrated ticketing).
teamdeck - Teamdeck is a SaaS resource management tool with resource scheduling, leave management, time tracking and timesheet, and customizable reports features. Selected by Hill-Knowlton, Stormind Games, Wunderman Thompson. $3.60/per member.
Evercontact - Your contacts always up to date and automatically with Evercontact.
Hub Planner - Transparent Resource Scheduling, Timesheets, Vacation, Resource Requesting, Project Management & powerful Reports in an agile designed, feasible & intuitive software for simple planning
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
Runn - Runn is a real-time resource management platform with integrated time tracking and forecasting. Intuitively plan projects and schedule resources across the short and long term.
Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses