lz4_flex

A refreshingly simple data-driven game engine built in Rust

Extremely fast Query Engine for DataFrames, written in Rust

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

Adds static typing to JavaScript to improve developer productivity and code quality.

A Python Interpreter written in Rust

🚀 Fast, secure, lightweight containers based on WebAssembly

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Visualize, query, and stream to train on multimodal robotics data.

Boa is an embeddable Javascript engine written in Rust.

The live data layer for apps and AI agents. Create up-to-the-second views into your business, just using SQL

Make your JSON data collaborative and version-controlled with CRDTs

Modular, contributor-friendly and blazing-fast implementation of the Ethereum protocol, in Rust

Rivet Actors are the primitive for stateful workloads. Built for AI agents, collaborative apps, and durable execution.

🦀 event stream processing for developers to collect and transform data in motion to power responsive data intensive applications.

Apache Iggy: Hyper-Efficient Message Streaming at Laser Speed

Painless compression and decompression in the terminal

Official Rust implementation of Apache Arrow

A cloud native embedded storage engine built on object storage.

zenoh unifies data in motion, data in-use, data at rest and computations. It carefully blends traditional pub/sub with geo-distributed storages, queries and computations, while retaining a level of time and space efficiency that is well beyond any of the mainstream stacks.

Rust reflection, serialization, deserialization, pretty printing, etc. — the last proc macro you should need

🗻 Log-structured, embeddable key-value storage engine written in Rust

ZeroFS - The Filesystem That Makes S3 your Primary Storage. ZeroFS is 9P/NFS/NBD on top of S3. Initially built for www.merklemap.com

Zedis: A blazing-fast, native Redis GUI built with Rust and GPUI.

SeekStorm: vector & lexical search - in-process library & multi-tenancy server, in Rust.

The Auron accelerator for distributed computing framework (e.g., Spark) leverages native vectorized execution to accelerate query processing

A cloud-native open source distributed time series database with high performance, high compression ratio and high availability.

Blazingly fast analytics database that will rapidly devour all of your data.

🚀Apache RocketMQ build in Rust🦀. Faster, safer, and with lower memory usage. ⭐ Star to support our work❤️!

The Chrome OS Virtual Machine Monitor - Mirror of https://chromium.googlesource.com/crosvm/crosvm/

[Acquired by The Guild] The Grafbase GraphQL Federation Gateway

A Modern Embedded SQL Database written in Rust

A networking library to make multiplayer games for the Bevy game engine

GlareDB: A light and fast SQL database for analytics

🌊 Continuously synchronize the systems where your data lives, to the systems where you _want_ it to live, by managing your data flows with Estuary. 🌊

Async CQL driver for Rust, optimized for ScyllaDB!

Fast, encrypted, deduplicated backups in Rust — with friendly YAML config, a desktop GUI, and support for S3, custom REST and SFTP storage.

rbuilder is a blazingly fast, state of the art Ethereum MEV-Boost block builder written in Rust

xet client tech, used in huggingface_hub

Flexible IPTV playlist processor & proxy in Rust 🦀 - supports M3U, Xtream Codes, HDHomeRun, Plex, Emby & Jellyfin. Filtering, merging, scheduling & web delivery.

Flexible BFT consensus engine in Rust

K.I.S.S. LSM-tree implementation in safe Rust

Engine-agnostic LLM gateway in Rust. Full OpenAI & Anthropic API compatibility across vLLM, TRT-LLM, TokenSpeed, SGLang, OpenAI, Gemini & more. Industry-first gRPC pipeline, KV cache-aware routing, chat history, tokenization caching, Responses API, embeddings, WASM plugins, MCP, and multi-tenant auth.

🔒 Secure, anonymous, peer-to-peer (P2P) Bluetooth chat in your terminal. An off-grid, encrypted TUI messenger built with Rust.

Free tools for building robust, clustered server infrastructure — WolfStack, WolfScale, WolfDisk, WolfNet

Zero Knowledge Hypertext Transfer Protocol

Vector Remap Language

Async runtime for Rust where correctness is structural: region-owned tasks, cancel-correct protocols, capability-gated effects, and deterministic replay testing

Roblox DOM and (de)serialization implementation in Rust