🚧 DevSim is in beta — NovaTech CRM is live now. More codebases dropping soon. Your feedback shapes what we build next.
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Choose your codebase
Pick the stack you work with. More coming soon.
● Live
.NET
NovaTech CRM
Enterprise order management system
.NET 8MIDSENIOR
🎫 8 tickets available
Beta
🐍
RAGCore
AI document Q&A system
Python + LangChainMID
⏳ Coming soon
Coming soon
JS
TechCorp HRM
HR management platform
Node.js + TypeScriptMIDSENIOR
⏳ Coming soon
Coming soon
⚛️
ShopFront
E-commerce platform
React + TypeScriptMID
⏳ Coming soon
Coming soon
FAANG Prep
Go
SearchCore
FAANG-style search system
Python + GoSENIOR
⏳ Coming soon
Coming soon
New
SD
System Design Arena
Design distributed systems end-to-end
ArchitectureSENIOR
⏳ Coming soon
Coming soon
?
More stacks coming
Vote for what you want next
All codebases are free during beta.