Template · for software engineers and architects
System design template
Diagram services, record decisions, and keep API contracts beside the boxes.
- 01
Start from requirements
List what the system must do, the scale it has to handle, and what's out of scope.
- 02
Draw the architecture
Services are boxes and arrows show how data moves. A code block holds the API contract next to the diagram.
- 03
Record decisions
Write each decision with its context and trade-off, and keep open questions visible until they're answered.
Open it in Grein.
Create an account or open your dashboard. Start a new project and choose the system design template. Replace the sample content with your own references and notes; signing up does not automatically create this template.
Questions, answered.
Yes. Templates create a starting board in your workspace. You can replace the content and rearrange it for your project.
No. This directory describes Grein’s built-in starter templates. Creating or sharing a project does not add it to the directory.
More templates
Designers, photographers, and brand teams
Visual direction
Collect images, color, and typography into a moodboard your collaborators can act on.
Filmmakers, video teams, and content creators
Shot list
Plan frames and shot details before you arrive on set.
Writers, filmmakers, and audio storytellers
Story development
Explore characters, story beats, and scenes on one visual board.
Teams, freelancers, and students
Kanban board
Track tasks from backlog to done, with every column on one canvas.
Workshops, classrooms, and creative teams
Brainstorm
Start from one question and branch out into ideas, constraints, and next steps.
Students revising for exams
Study planner
Keep exams, topics, and a weekly study plan on one board.
Students and writers
Essay planner
Go from the essay question to a thesis, an outline, and a reading list.
Teachers, tutors, and trainers
Lesson plan
Plan one lesson from objective to exit ticket.
Researchers and graduate students
Literature review
Log sources once and group their findings by theme.
UX researchers, designers, and product teams
Research synthesis
Turn interview notes into clusters, insights, and opportunities.
Product designers and UX teams
User flow
Map screens and the actions that connect them.
Product managers and founders
Product roadmap
Sort work into now, next, and later, tied to this quarter's goals.
Engineering, product, and project teams
Retrospective
Look back on a sprint and leave with owners for what changes.
Founders and side-project builders
Lean canvas
Fit a business model on one page, then test the riskiest assumption.
Founders raising money
Pitch deck
Outline a ten-slide investor pitch before you design it.
Social media managers, creators, and newsletter writers
Content calendar
Plan a month of posts, one column per week.
Agencies, marketing teams, and social creators
Campaign planner
Keep the brief, creative concepts, and launch work in one place.
Create your first
board.
Start with a few references. Bring people in when it’s ready.