backend · library
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6 production projects and 0 rule sets built with gRPC.
Production projects
- S3-Compatible Object Storage Classic RustFS RustFS splits a MinIO-style object store into dozens of single-purpose Rust crates behind one binary, keeps extra protocols behind cargo features, and moves inter-node traffic to gRPC, so storage, healing and IAM evolve separately.
- Shell History Sync Classic Atuin Atuin keeps history local in SQLite and encrypts it before sync, so the Axum sync server stays a thin store; a gRPC daemon and capability crates (CLI, server, AI, dotfiles) let each part evolve behind feature flags.
- LLM Knowledge Base & RAG Platform Classic WeKnora Retrieval, agents and the API sit in one Go service, and parsing is delegated to a Python gRPC service. Storage backends are pluggable, so the same codebase runs as a lite SQLite binary or a full Kubernetes deployment on existing Postgres, Elasticsearch or vector databases.
- Columnar Real-Time Analytical Database (OLAP) Classic ClickHouse A single CMake super-project that vendors ~150 native dependencies (Arrow, gRPC, AWS/Azure/GCS SDKs, NuRaft, Delta Lake kernel) under contrib/ lets ClickHouse ship a largely self-contained, dependency-free binary and Docker image.
- Vector Similarity Search Engine Classic Qdrant Authoring the engine from scratch in Rust provides zero-overhead memory safety, hardware SIMD vectorization, and lock-free concurrency for large-scale similarity search.
- Cloud-Native Observability Engine Classic OpenObserve Storing telemetry as Parquet on object storage instead of a traditional database, paired with DataFusion for SQL and dedicated PromQL crates, is what the project credits for its lower storage cost, while Cargo feature flags keep enterprise-only code optional inside the same open-core binary.
Often used with gRPC
Questions about gRPC
How many production projects use gRPC?
6 verified production projects in the STACK IT FAST directory use gRPC, each with a full architecture breakdown.
What is gRPC most often used with?
Across projects in the directory, gRPC is most commonly paired with Docker, Rust, Tokio.