Zendo - Zendo allows you to sell productized, subscription and custom services. Collaborate and collect payments. Create quotes and invoices. Eliminate multiple tools and enjoy the simplicity.

Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

GreenOrbit - Intranet software with everything you need, built in

Redmine - Flexible project management web application

Nextcloud Hub - On-premises, enterprise collaboration solution for documents, emails, calendars and more.

Basecamp - A simple and elegant project management system.