GREND Product · AI OS
One AI OS,
all your work.
Collaboration, HR, projects, content creation, video meetings — the built-in apps that run on the GREND AI OS, plus an AI kernel embedded in every app.
GREND OS · Click an app to preview
Like a real AI OS
Not a metaphor — it works like a real AI OS.
Desktop, app launcher, unified search, screen lock — your company runs on the GREND AI OS with a familiar OS experience.
Desktop
Arrange your favorite apps, widgets, and wallpaper your way.
App Launcher & Unified Search
Find and launch any feature in one place (Korean & English search).
Notification Center
Mail, chat, and approval alerts in one place — tap to jump to the exact spot.
Screen Lock & Sessions
Away-from-keyboard protection and multi-device session management.
Built-in apps of the GREND AI OS — 7 domains
Everything you need is already built in.
01
Collaboration
Messaging, mail, calendar, and files — all in one OS, no switching.
- Chat — real-time messaging, threaded replies, mentions, up to 10GB file transfers, bookmarks & pinned messages
- Webmail — in-house mail on your own mail server, rich editor, per-project sorting & shared mailboxes
- Calendar — team schedules & attendees, automatic leave display, 9 AM AI bot briefings & upcoming reminders
- Drive — large-capacity storage & sharing, folders & permissions, external share links
- Notes — block-based documents, tables (cell merging), auto-save
- Video meetings — screen sharing, real-time speech-to-text (STT) captions, recording, live translation
02
HR & Administration
From onboarding to offboarding — attendance, payroll, and approvals in one flow.
- Attendance — face-recognition check-in/out, automatic location & tardiness detection
- Leave — annual/half-day requests & approvals, automatic accrual & forecasting, calendar auto-display
- Payroll & tax — payslip issuance & distribution, social insurance & year-end settlement documents, employment contract management
- Electronic approval — workflows based on approval lines & forms, mobile approvals
- Expenses & assets — expense claims & approvals, asset register (loans, returns, history)
- Certificates & login — automatic employment/career certificate issuance, face authentication & Google SSO
03
Projects & Tasks
Sales, execution, and reporting connected seamlessly.
- Project management — project/course/sub-task structure, owner & status management
- Kanban, Gantt & milestones — progress visualization, schedule & milestone management
- Sales management — sales activities & pipeline, client & stakeholder management
- Weekly reports — automatic tally of this week's progress + next week's plan, auto-generated PDF
- Outsourcing & staffing — vendor assignment, studio & makeup bookings (shared calendar)
- Files & minutes — project file browser, meeting minutes & notes
04
Content Creation (CDMS)
Create slides, courseware, and videos with AI — inside the OS.
- Content authoring tools — slide/courseware editor, block-based layout, shapes, media & animation
- AI slide generation — auto-draft slides from a topic or courseware
- PPTX export — PowerPoint output preserving shapes, images, and line spacing
- Slideshow & presenting — presenter view, real-time live viewer
- Video & voice — cut editor, AI avatar video generation (lip-sync), voice synthesis (TTS)
- Captions, translation & transcription — auto-transcription of recordings/videos, multilingual captions & translation
05
AI Kernel
Not a separate chatbot — AI woven into every app at the OS level.
- GREND AI Panel — an assistant you can summon from any screen (summarize, write, Q&A)
- AI agents & flows — multi-step automation, schedule-based execution
- Intelligent search — search company materials with vector (semantic) search and a knowledge graph
- Multimodal understanding — document layout analysis, speech transcription, face recognition
- Content summarization & embedding — auto-index company documents so AI can use them instantly
- AI usage observability — monitor prompts, calls, and costs in one place
06
Platform & Security
One OS, identical across web, desktop, and mobile.
- Multi-platform — web (no install), desktop (Windows), mobile (iOS & Android)
- Push & deep links — get mail, chat, and reply alerts, then jump to the exact spot with one tap
- Single sign-on — Google login, face authentication, identity verification
- Security — session & permission management, data encryption, access control
- On-premises option — support for self-hosted servers & dedicated GPUs (Enterprise)
07
Bid Information (Public Service)
Real-time collection and search of public bids from Korea's PPS Nara Marketplace. An open public service anyone can browse without logging in.
Go to the Bid Information public service- Unified search — procurement plans, pre-specifications, bid notices, and bid-opening results in one place, with keyword/period/amount facet search
- Ordering agencies & bidding companies — ordering history by agency, yearly award records by company
- Keyword auto-search — auto-search your keywords daily at 9 AM, with new-notice alerts
- Saved pipeline — track from procurement plan → pre-spec → main notice → result at a glance
- Bid-opening alerts — auto-notify results via mail & internal chat (9 AM, noon, 5 PM), plus on-demand checks
- Open public service — browse bid information without logging in (SEO-public); members also get tracking & alerts
One is enough
All of this, with GREND alone.
Internal messengerThreaded chatMentions & alerts10GB file transferBookmarks & pinsChannel groupsVideo meetingsScreen sharingLive captions (STT)Meeting recordingLive translationIntercomInternal webmailMailing listsProject mailboxesShared mailboxesTeam calendarAI 9 AM briefingUpcoming remindersCloud driveExternal share linksBlock notesTables & cell mergingUnified address bookOffice document editingInternal messengerThreaded chatMentions & alerts10GB file transferBookmarks & pinsChannel groupsVideo meetingsScreen sharingLive captions (STT)Meeting recordingLive translationIntercomInternal webmailMailing listsProject mailboxesShared mailboxesTeam calendarAI 9 AM briefingUpcoming remindersCloud driveExternal share linksBlock notesTables & cell mergingUnified address bookOffice document editing
HWP/HWPX conversionFace-recognition attendanceAttendance tallyAnnual & half-day leaveAuto leave accrualParental leaveOvertimeRemote workPayslipsYear-end tax settlementSocial insuranceEmployment contractsElectronic approvalApproval workflowsExpense processingAsset registerCertificate issuanceOrg chartProject managementKanban boardGantt & milestonesWeekly reportsSales pipelineClient managementOutsourced staffHWP/HWPX conversionFace-recognition attendanceAttendance tallyAnnual & half-day leaveAuto leave accrualParental leaveOvertimeRemote workPayslipsYear-end tax settlementSocial insuranceEmployment contractsElectronic approvalApproval workflowsExpense processingAsset registerCertificate issuanceOrg chartProject managementKanban boardGantt & milestonesWeekly reportsSales pipelineClient managementOutsourced staff
Studio bookingMeeting minutesContent authoring toolSlide editorAI slide generationPPTX exportPresenter viewCut editorAI avatar videoVoice synthesis (TTS)Speech transcriptionMultilingual captionsGREND AI PanelAI agentsVector searchKnowledge graphOntology searchDocument summarizationFace recognitionGoogle SSOPush & deep linksWeb, desktop & mobileOn-premises & dedicated GPUStudio bookingMeeting minutesContent authoring toolSlide editorAI slide generationPPTX exportPresenter viewCut editorAI avatar videoVoice synthesis (TTS)Speech transcriptionMultilingual captionsGREND AI PanelAI agentsVector searchKnowledge graphOntology searchDocument summarizationFace recognitionGoogle SSOPush & deep linksWeb, desktop & mobileOn-premises & dedicated GPU