GQueues is the premier task manager for Google and G Suite users. GQueues tracks millions of tasks for people, companies and organizations worldwide. Designed with a focus on simplicity, GQueues stays out of your way so you can get things done.

Aha! is cloud-based software to set your product strategy based on market dynamics. Track imperatives through releases and features.

Web based software for project management, issue tracking, collaboration, team calendar, kanban board and more... It is a powerful platform especially suitable for application development or product development organizations.

Mavenlink gives your team a cloud-based solution for managing the entire project delivery lifecycle. Complete projects, track time, plan resources, and monitor financial performance — all in a single, user-friendly software.

Backlog is a project management and collaboration tool for teams that want higher productivity, greater visibility, and simple project tracking. Development teams can work together with Design, Marketing, IT, and more to release high-quality projects, faster.

TeamGrid makes it easy to collaborate with your entire team. TeamGrid brings a a full-fledged platform with task and projectmanagement, time tracking, budgeting and a special mode for agencies.

This is online project management web application for personal or business usage. There is a dashboard, project and task lists, messaging system, advanced reports and many other useful features. You can collaborate with your co-workers easily.

Stackfield is a Slack-alternative for chat, collaboration, calendaring and file-sharing. It enables encrypted chatting (end-to-end encryption) and is hosted in Germany.

WORKetc is cloud-based all-in-one small business platform, integrating Customer Relationship Management (CRM), sales and quoting, project management with Gantt charts, time tracking, invoicing, expense tracking, and post-sale helpdesk support.

Plutio is an all-in-one business management platform designed for freelancers and small businesses.

Task Management, Release Planning and Collaboration tool for software dev teams, standalone professionals and enthusiasts. Supports Scrum and includes Kanban board, Burndown chats, change and history tracking, time tracking and progress tracking.