Practical project and hardware marketplace
Practical work, ready to inspect.
Discover complete project packages and individual hardware components, inspect the evidence, and contact the creator.
Project disciplines
Browse by category
Find focused collections for physical systems, software, and everything in between.
Robotics & Embedded Systems
Robots, IoT, PCB designs, firmware, and control systems.
Explore categoryMechanical & CAD Prototypes
CAD models, mechanisms, 3D-printed parts, and simulations.
Explore categorySoftware & Database Systems
Web apps, dashboards, databases, mobile apps, and APIs.
Explore categoryOther Projects
Practical projects that do not fit the primary categories.
Explore categoryMarketplace activity
Listings people are inspecting
The first marketplace collection is being prepared
Explore the full marketplace or publish the work that should lead it.
A clear sequence
From finished work to a serious buyer
Each listing is structured around evidence so buyers understand the project package or physical component before contacting its creator.
- 01
Choose what to list
Publish a full project package or one hardware component with clear details.
- 02
Show the evidence
Projects get protected artifact previews; component photos are sanitized for public viewing.
- 03
Start a conversation
Interested buyers contact the creator directly on WhatsApp.
For creators and builders
Present the work like a product, not an afterthought.
Organize a project or component, make its condition visible, and speak directly with interested buyers.
Create a listingList without fees
Publish complete projects or individual components without listing charges or paid placement.
Keep listings organized
Track drafts, project packages, component photos, published work, and buyer interest together.
Own the conversation
Answer buyer questions directly and decide how payment and delivery happen.
Trust and academic integrity
Evidence and identity stay close to the project.
ProtoSell makes the package, creator, and intended use clear before a buyer starts a conversation.
Ownership attestation
Creators confirm they made the work and hold the rights to offer it.
Visible package details
Listings show included files, tools, price, and project context.
Direct seller contact
Buyers ask questions and agree on payment and delivery directly.
Student verification
An academic account can add a visible Verified Student badge.
Report and takedown
Suspected plagiarism or misuse can be flagged for review.
Reuse, not submission
Projects are for learning, reference, and practical reuse.
Put useful work back into circulation.
Browse complete projects and hardware components or prepare your own listing for the marketplace.