System Design Practice Problems

Codemia is an interactive learning platform for engineers, offering 120+ system‑design challenges, 200+ visualized data‑structure problems, 20 UML‑based OOP exercises, live mock interview sessions, and AI analytics to pinpoint improvement areas.

SysDesigna is a visual, code‑free co‑design platform for rapid prototyping of business apps. It lets users edit layouts, forms, data models, workflows, notifications, and role‑based access, simulate interactions, gather feedback, and auto‑generate design and test documentation.

Global System Thinking Frameworks offers tools for enhanced decision-making and problem-solving, including self-assessment templates and strategic models like SBI, 4C, and Business Model Canvas, supporting effective communication and organizational management.

Bugfree.ai is an AI-powered platform that helps users master system design and behavioral interviews through comprehensive practice, mock interviews, and expert feedback. It offers a rich question bank, learning courses, and AI tools like mind maps and auto-generated diagrams to enhance interview sk

Drawerrr connects engineers, designers, marketers, sustainability experts, students, and professionals to tackle real‑world challenges aligned with UN SDGs and US AID goals. Users choose a category, form teams (≤5) or solo, and submit ideas for jury review, mentorship, and networking.

SuperInterview AI offers realistic mock interviews for system design, featuring a multi-modal AI that accommodates text and audio inputs. Users benefit from a regularly updated question library, instant feedback, and adaptive learning tailored to individual performance.

kickstartDS is an open‑source starter kit offering a low‑code framework, UI toolkit, and component library with design tokens for consistent design systems. It supports multiple JavaScript frameworks, CMS integrations, Storybook testing, accessibility, and lightweight, high‑performance UIs.

Down Right Design offers end‑to‑end product design for mobile, web, and AI interfaces, following a structured workflow from discovery to QA. Their process includes user journey mapping, brand integration, prototyping, and accessibility compliance, delivering cohesive, intuitive interfaces.

QSet.io provides a dynamic library of theory, coding, system design, and aptitude questions with AI‑generated feedback, an integrated editor and canvas, and competition leaderboards. It also supports job applications and recruiter assessment of applicants.

OsoDesign is an AI-assisted design studio offering on-demand senior designers for branding, UI/UX, landing pages, motion graphics and social assets, with ~48‑hour progress cycles, a centralized client portal, unlimited revisions, source files and brand consistency.

Pietra Product Design Studio transforms sketches, reference images, or text into detailed 3D product models instantly. It offers manufacturer templates, customizable colors, materials, dimensions, collaboration, and automated tech‑pack creation, linking users to a vetted global factory network for e

Archsense is an architecture visualization tool that generates accurate diagrams from source code, tracks module dependencies, and facilitates collaboration among developers by enabling change proposals and providing feedback, while supporting various programming languages for flexible integration.