C++
6 production projects and 0 rule sets built with C++.
Production Projects
ClickHouse
Blazing-fast analytical database; processes queries orders of magnitude faster than traditional row-based engines by scanning only relevant columns with SIMD vector instructions.
vLLM
The gold standard for production LLM inference; invented PagedAttention to eliminate memory fragmentation in GPU KV caches, delivering 2x-4x throughput over standard Hugging Face runtimes.
Bun
Radical reimagining of JS tooling; written from scratch in Zig on WebKit JavaScriptCore for 4x faster module resolution, zero-transpilation TypeScript, and native SQLite speed.
QuestDB
High-performance columnar time-series database engineered for financial tick data, IoT metrics, and real-time telemetry. Uses a zero-garbage-collection Java execution engine with C++ SIMD vectorization and lock-free out-of-order data ingestion.
Dragonfly
Next-generation drop-in replacement for Redis and Memcached. Delivers 25x higher throughput and sub-millisecond tail latency by utilizing a modern shared-nothing multi-threaded architecture with Linux io_uring asynchronous I/O and custom memory serialization.
Ollama
Ultra-lightweight local LLM runtime; Go REST daemon manages model distribution while C++/llama.cpp provides optimized GPU compute.
Often Used With
Frequently Asked Questions
How many production projects use C++?
6 verified production projects in the STACK IT FAST directory use C++, each with a full architecture breakdown.
What is C++ most often used with?
Across projects in the directory, C++ is most commonly paired with SQL, Python.