Project Management Tools for startup

Proofhub is a project management and collaboration tool that helps you manage projects of all sizes. Discussions: Drive project management through online collaboration. Tasks and to-do lists: Create tasks, sub tasks and to-do lists, assign work to team members, track time and view progress.

Clinchpad is a lead management tool to manage and organize your leads efficiently.

Realtimeboard is a project management tool in which you can use an online whiteboard to discuss idea, collaborate with teams , all in realtime.

Trello offers a quick way to organize tasks, action items, deadlines and team assignments in an easy to use, shareable interface. Trello is a tool that uses 'cards' to organize your team tasks and deadlines. You can organize your cards on "boards". You can further classify your projects under one or many organizations.

zapier

Domo - connect data sources, build dashboards and connect on the go

Zendesk is a customer service platform. It focussed on developing tools using which companies can engage with customers better, gather and share data effectively and service customers better.

Scrumy is a project management tool loosely based off of Scrum - an online sticky notes tool.