Hi, sorry for bad english, i'm italian developer, i want to congratulate you for on a great job with worksuite, i'm tryng to convince my company to adopt it! To convince my company I think I will have to develop some features, I thinked to propose them if they could be interesting.
I write a list separated for modules.

Clients

Company data autocomplete (for client with multiple referents)
Client duplication (for same reason as above)

HR > Attendance

Excel export (with holiday and approved leaves)

Work > Contracts

Adding attachments
Send contract email notification to client (I did the tests on the demo probably the mails are already sent, I saw that a notification is sent)
Send client contract expiring reminder (custom day before and if checked in contract)
Client autocomplete with company data
Contract template

Work > Projects

Project template manage task planning (ex. task expire after x days to project start date or days befor project ended, and task duration)

Work > Tasks

Task expire reminder notificaiton (with many days before inputed)

Work > Time logs (these features for use case as intervention reports)

Search by client
Archive status
Employee can send time log notification (email) to client
Memo field change input text into textarea (more detailed activities)

Finance (all sub modules)

Adding attachments

Tickets

Create ticket from emails polling and requester association with sender address (if sender not found working with email domain and associate to first requester founded otherwise create anonymous requester)
Bulk merge tickets (chose primary)
Change requester after creation

Settings

Multi factor authentication (OTP mail, OTP SMS or Google Authenticator)
Possibilitiy to upload financial document template
Manage Email notification theme
Manage Notification text

Extra Features Idea

Google Calendar and Office 365 calendar integration
Meeting with Microsoft Teams
Time log and support tool integration (ex AnyDesk, Teamviewer)