FluentPro FluentBooks - Automated migration between Microsoft Project Server and Projects Online instances.
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.
Collabit - Collabit is an intranet, collaboration tool and workflow management system.
GreenOrbit - Intranet software with everything you need, built in
Happeo - Making work a happier place for all.
Nextcloud Hub - On-premises, enterprise collaboration solution for documents, emails, calendars and more.