ERPNext
ERPNext is an Open Source, Online ERP solution which includes Accounting, CRM, Projects, Inventory,
pdfFiller
Comprehensive, feature-rich and cloud-native solution that transforms your static PDF into an interactive experience for both the sender and receiver. pdfFiller offers a single space to collaborate, store, search, e-sign and audit documents and forms.
ClickUp
ClickUp is one app to replace them all. It's the future of work. More than just task management - ClickUp offers docs, reminders, goals, calendars, and even an inbox. Fully customizable, ClickUp works for every type of team, so all teams can use the same app to plan, organize, and collaborate.