
redis/redisFor developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
C · Tcl★ 76.4KSep 16, 2026
npm92Excellenthealth index

streamich/memfsNode.js "fs" and browser "File System API" adapters and in-memory implementations 👍
TypeScript★ 2,092↓ 385M/moSep 17, 2026
Maven91Excellenthealth index

hazelcast/hazelcastHazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
Java★ 6,622Oct 20, 2026
npm90Excellenthealth index
JavaScript★ 322↓ 1.3M/moSep 18, 2026
PyPI89Excellenthealth index

ZhuoZhuoCrayon/throttled-py🔧 High-performance Python rate limiting library with multiple algorithms (Fixed Window, Sliding Window, Token Bucket, Leaky Bucket & GCRA) and storage backends (Redis, In-Memory).
Python★ 649↓ 181.9K/moSep 14, 2026
npm88Excellenthealth index
TypeScript · JavaScript★ 152↓ 25.5K/moAug 28, 2026
npm84Excellenthealth index
TypeScript · Vue★ 23↓ 4,748/moSep 10, 2026
Maven84Excellenthealth index
Java★ 473Oct 21, 2026
PyPI83Excellenthealth index
Python★ 3↓ 2,907/moOct 14, 2026
PyPI80Excellenthealth index
Python★ 35↓ 5,316/moSep 12, 2026

cinc-project/cinc-server-ngFully in-memory Chef Infra Server in Go for test pipelines — real Mixlib auth, Policyfiles & policy groups first-class
Go★ 9Oct 19, 2026
TypeScript★ 613↓ 457.1K/moOct 13, 2026
TypeScript★ 1↓ 11.1K/moOct 11, 2026

Restream/reindexerEmbeddable, in-memory, document-oriented database with a high-level Query builder interface.
C++ · Lex★ 810Sep 11, 2026
TypeScript★ 8↓ 736/moSep 13, 2026

humanspeak/memory-cacheGeneric in-memory cache with TTL and size-based eviction — TypeScript-first, zero dependencies.
TypeScript★ 2↓ 138.8K/moOct 1, 2026

stacksjs/ts-cache⚡ A fast, type-safe, and feature-rich caching library for modern applications.
TypeScript★ 11↓ 38.5K/moSep 14, 2026
C#★ 605Aug 27, 2026
crates.io65Goodhealth index
Rust★ 938↓ 5.3M/moSep 23, 2026
NuGet63Moderatehealth index

neon-sunset/fast-cacheThe fastest cache library written in C# for items with set expiration time. Easy to use, thread-safe and light on memory.
C#★ 113Oct 8, 2026
npm62Moderatehealth index
TypeScript★ 0↓ 627/moSep 13, 2026
PyPI · crates.io62Moderatehealth index

jeroenflvr/datapressAn opinionated config-driven Rust server that publishes Parquet and Delta datasets as fast, typed HTTP APIs from local disk or object storage, with interchangeable DuckDB or Arrow+DataFusion backends, JSON and Arrow IPC output, and production-ready features like auth, metrics, and hot reloads.
Rust★ 4↓ 105/moSep 11, 2026
crates.io · npm60Moderatehealth index

lora-db/loraLoraDB is a Rust-native embedded graph DB for AI agents, robotics, and systems reasoning over connected data.
Rust · TypeScript★ 20↓ 588/moSep 29, 2026
NuGet60Moderatehealth index

marcschier/raft-csPure-managed, NativeAOT-ready Raft consensus for .NET (modeled on tikv/raft-rs) with replaceable storage and transport.
C#★ 0Oct 12, 2026

raiyanyahya/zapqMicrosecond message queues over HTTP and raw TCP — one static binary, zero dependencies, nothing to operate.
Go★ 42Sep 17, 2026
PyPI · npm57Moderatehealth index

hussain-alsaibai/snapdbSnapDB — Extremely lightweight lightning-fast in-memory database for Python. Zero-copy reads, single-file, pure Python.
Python★ 2↓ 29/moSep 8, 2026
Maven56Moderatehealth index

waabox/andersoniIn-memory indexed cache library for Java 21. Fluent DSL, lock-free reads, pluggable sync (Kafka, HTTP, DB), leader election, and snapshot persistence.
Java★ 0Sep 13, 2026

golang-cz/ringbufIn-memory pub/sub designed for single producer fan-out to many consumers. Maximum write throughput, small memory footprint and best-effort delivery.
Go★ 13Sep 17, 2026
Hex50Moderatehealth index
Elixir★ 687Sep 9, 2026
TypeScript★ 16↓ 3,090/moSep 7, 2026