NEXUS C++20 — Modular High-Performance Data Platform | For Sale — $1,100

repodevtools

A production-oriented C++20 data platform featuring modular architecture, high-performance processing, durable storage, workflow orchestration, and integrated observability.

C++20 · GCC · STL · Multithreading · Thread Synchronization · Modular Architecture · Data Processing · Query Processing · Durable Storage · Transaction Management · Workflow Orchestration · Task Scheduling · Resource Management · Configuration Management · Security · Validation · Logging · Monitoring · Observability · Unit Testing · Integration Testing · MSYS2 · UCRT64 · Git · GitHub

28 files · ~10,090 LOC · 0 tests

Scrub: clean · 0 removed

🧼 Scrubbed

Automated checks — 5/7 passed

Every listing gets the same checks, run by machine. We publish the ones it failed as well as the ones it passed.

✓ Secrets removed, nothing left needing reviewThe scrubber found no credentials or personal data it couldn't safely handle.
✗ Builds from a clean checkoutNot checked yet.
✓ No placeholder or elided codeNo files containing “… rest of the code” style markers, the sign that a file doesn't hold what it appears to.
✓ Not an untouched starter templateThe project isn't a generator's output with the README still in place.
✓ Substantially implementedFew or no files that are nothing but “TODO: implement”.
✓ No restrictive or conflicting licence termsNothing in the code claims terms that would stop a buyer using it.
✗ Repository history verifiedThe seller proved control of the original repository, and its commit history was read directly from GitHub.

🔨 Build it yourself instead?

Rebuilding this from scratch: ~40M AI tokens (≈$323) + ~67 builder-hours (≈$5,695) ≈ $6,018 — this listing is $2,425, about 60% under the rebuild mark.

Estimate from ~10,090 LOC at agentic build rates; your mileage varies.

What you get: Full ownership — You get sole ownership and all IP rights, per the Seller Agreement.

✅ Runs as-is — Plug-and-play: builds and runs with your own fresh keys/config. Nothing missing.

NEXUS is a modular C++20 data platform designed for high-performance processing, reliable data management, and extensible system architecture. The project includes a collection of integrated modules covering durable storage, query processing, workflow orchestration, workflow execution and recovery, scheduling, transaction management, validation, security, configuration, and observability. Built with modern C++20, NEXUS emphasizes modularity, maintainability, concurrency, and clear separation of responsibilities. Its architecture allows developers to explore existing components, extend functionality, and adapt the codebase for suitable data-processing and backend infrastructure projects. Key features: - Modular C++20 architecture - Durable storage and transaction components - Query processing and data validation - Workflow execution, orchestration, persistence, and recovery - Task scheduling and resource management - Security and configuration modules - Logging, monitoring, and obser

✨ Cindy's Take

✨ Ask Cindy

Cinderella's listing assistant. Ask about ownership, fees, legitimacy, market fit… She can be wrong, so do your own diligence.