Activity Diagram
8/11/2026
Activity diagram of a student course registration workflow: logging into the portal, checking enrollment eligibility, searching the catalog, validating prerequisites and seat availability, handling waitlists and schedule conflicts, then finalizing the schedule and tuition.
student registrationactivity diagramcourse enrollmentwaitlistprerequisitestuition
20 nodes
25 connections
Activity Diagram
8/11/2026
Activity diagram of an online shopping flow, from browsing products and adding items to the cart through checkout, payment validation, order fulfillment, delivery, and possible returns. It includes decision points for stock, login, payment failure, and customer satisfaction.
online shoppingactivity diagramcheckout flowpayment validationorder fulfillmentreturns
24 nodes
29 connections
Activity Diagram
8/11/2026
Activity diagram of an ATM session, from card insertion and PIN verification to withdrawals, balance checks, deposits, receipts, and card ejection. It also shows invalid card handling, failed PIN attempts, and card retention after too many errors.
atmactivity diagrambanking workflowpin verificationcash withdrawalcard retention
25 nodes
33 connections
Sequence Diagram
8/11/2026
Sequence diagram for a library book borrowing workflow, showing interactions between the member, librarian, library system, book catalog, and member database during a loan request.
sequence diagramlibrary systembook borrowingbook catalogmember database
5 nodes
10 connections
Sequence Diagram
8/11/2026
Sequence diagram of an online shopping flow where a customer uses a web storefront to place an order, triggering inventory checks, payment processing, and order confirmation by email.
sequence diagramonline shoppingorder processinginventory checkpayment gatewayemail confirmation
6 nodes
5 connections
Sequence Diagram
8/11/2026
Sequence diagram of an ATM cash withdrawal, showing how the customer, ATM, bank server, account database, and cash dispenser interact to authenticate the user, verify funds, and dispense cash.
sequence diagramatm withdrawalbanking systemauthenticationcash dispenser
5 nodes
25 connections
Class Diagram
8/11/2026
Class diagram of a banking system showing core entities such as bank, customer, account, transaction, loan, card, and employee. It includes account specializations for savings and current accounts, plus a loan officer role.
class diagrambanking systemaccountstransactionsloansuml
10 nodes
10 connections
Class Diagram
8/11/2026
Class diagram for an online shopping system showing users, customers, and administrators alongside products, categories, carts, orders, payments, shipments, and reviews. It also models cart and order line items plus credit card and PayPal payment types.
class diagrame-commerceshopping cartorder managementpayment processinguml
14 nodes
15 connections
Class Diagram
8/11/2026
Class diagram of an ATM system showing the ATM’s relationships with hardware components, customer cards, bank accounts, and transaction types such as withdrawal, deposit, balance inquiry, and transfer.
class diagramatm systembankingtransactionsaccountsuml
16 nodes
14 connections
Class Diagram
8/11/2026
Class diagram of a hospital management system showing people and roles (patient, staff, doctor, nurse), clinical records and prescriptions, appointments, wards and beds, and billing. It outlines the main entities used to manage care and hospital operations.
class diagramhospital managementhealthcare systempatient recordsappointmentsbilling
12 nodes
13 connections
ER Diagram
8/11/2026
Entity-relationship diagram of a banking system showing customers, branches, accounts, transactions, loans, cards, employees, and the AccountHolder join table for shared account ownership.
bankingentity relationship diagramdatabase designaccountstransactionsloans
9 nodes
9 connections
ER Diagram
8/11/2026
Entity-relationship diagram for a school management system showing students, teachers, classes, subjects, exams, attendance, fees, and exam results, with a join table linking teachers to subjects.
school managemententity relationshipdatabase schemastudent recordsexam resultsattendance
9 nodes
10 connections
ER Diagram
8/11/2026
ER diagram of an inventory management system showing suppliers, products, warehouses, stock levels, purchase orders and line items, and stock movements. It maps how inventory is ordered, stored, and tracked across locations.
inventory managemententity relationship diagramwarehousingpurchase ordersstock tracking
7 nodes
8 connections
ER Diagram
8/11/2026
Entity-relationship diagram for an online shopping system showing customers, addresses, products, categories, carts, orders, payments, reviews, and line items, with relationships between shopping, checkout, and order records.
entity relationship diagrame-commerceonline shoppingorder managementcartdatabase design
10 nodes
11 connections
ER Diagram
8/11/2026
Entity-relationship diagram for a library management system, showing members, books, authors, categories, loans, reservations, and librarians. It includes a junction table for the many-to-many relationship between books and authors.
library managemententity relationship diagramdatabase schemabooks and authorsloans and reservations
8 nodes
9 connections
Flowchart
8/11/2026
Flowchart of a for loop: initialize i = 0, test whether i < n, run the loop body, increment i, and repeat until the condition fails, then continue after the loop to end.
flowchartfor loopiterationcontrol flowprogramming
8 nodes
8 connections
Flowchart
7/25/2026
Flowchart showing how dinosaurs split into Saurischia and Ornithischia, then into major groups like Theropoda, Sauropodomorpha, Thyreophora, Ornithopoda, and Marginocephalia, with sub-branches such as Ceratopsia and Ankylosauria.
dinosaurstaxonomyevolutionary treesaurischiaornithischiaflowchart
13 nodes
18 connections
Flowchart
7/25/2026
CI/CD Pipeline Flowchart — flowchart with 20 nodes and 23 connections.
20 nodes
23 connections
Flowchart
7/25/2026
CI/CD Pipeline Flowchart — flowchart with 20 nodes and 22 connections.
20 nodes
22 connections
Flowchart
7/25/2026
CI/CD Pipeline — flowchart with 16 nodes and 17 connections.
16 nodes
17 connections
BPMN Diagram
7/25/2026
Employee onboarding — bpmn diagram with 11 nodes and 11 connections.
11 nodes
11 connections
4 lanes
State Diagram
7/25/2026
State diagram of a traffic light sequence from Start to End, showing transitions through Red, Red+Amber, Green, and Amber in the typical cycle.
state diagramtraffic lightsfinite state machinecontrol systemssequence
6 nodes
6 connections
Class Diagram
7/25/2026
Class diagram for a library management system showing how the library, catalog, books and copies relate to members, librarians, loans, holds, fines, and payments, with status enums and notification services.
class diagramlibrary systemumlloans and holdsfines and paymentsnotifications
16 nodes
12 connections
Sequence Diagram
7/25/2026
OAuth 2.0 Authorization Code Flow — sequence diagram with 4 nodes and 9 connections.
4 nodes
9 connections