Practical project marketplace
Practical projects, ready to inspect.
Discover complete project packages, see what is included, and contact the creator with better questions.
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
Projects people are inspecting
The first project 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
The listing is structured around evidence so buyers understand the package before they contact its creator.
- 01
Package the work
Add the project overview, tools, price, and original ZIP package.
- 02
Show the evidence
ProtoSell prepares a protected artifact index buyers can inspect.
- 03
Start a conversation
Interested buyers contact the creator directly on WhatsApp.
For project creators
Present the work like a product, not a folder.
Organize the project, make its contents visible, and speak directly with interested buyers.
Create a listingList without fees
Publish complete practical projects without listing charges or paid placement.
Keep packages organized
Track drafts, processing packages, 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 or prepare your own package for the marketplace.