Giving Low Code to Web with WebAssembly: Velneo's Success Story
summary
Velneo moves its 20‑year C++/Qt platform into WebAssembly and runs the same database manager, server administrator and application editor in-browser with C++ + Qt compiled to WebAssembly and TCP→WebSocket bridging, achieving near‑desktop interactivity while loading thousands to millions of records in milliseconds and reducing a 40 MB payload to ~10 MB after compression, and deploying simply by dropping files in a bucket; core work is rewriting synchronous C++ paths and tuning threads and memory so the port actually performs in long sessions real apps run and respond.
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chapters (13)
- 0:00Introduction to Velneo
- 0:58The Velneo platform
- 4:26The challenge and solution
- 6:01Why WebAssembly
- 7:05Integration with Qt
- 8:55Technical performance demos
- 11:08Implementation details
- 13:12Deployment strategies
- 14:18Performance and optimization
- 18:56Codebase refactoring
- 21:14Debugging and user testing
- 23:06Benefits and future outlook
- 25:44Q&A and conclusion
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