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redis /redis

Star72.2k

For 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.

redis open-source caching distributed-systems json real-time database time-series nosql key-value cache realtime message-queue in-memory no-sql in-memory-database message-broker key-value-store vector-search vector-databases

UpdatedDec 16, 2025
C

dragonflydb /dragonfly

Star29.5k

A modern replacement for Redis and Memcached

redis memcached multi-threading database cpp nosql key-value cache fibers in-memory in-memory-database message-broker keydb vector-search valkey

UpdatedDec 17, 2025
C++

typesense /typesense

Sponsor

Star24.8k

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

search search-engine elasticsearch algolia fuzzy-search synonyms in-memory full-text-search datastore instantsearch semantic-search merchandising enterprise-search similarity-search geosearch pinecone typo-tolerance site-search faceting vector-search

UpdatedDec 17, 2025
C++

hazelcast /hazelcast

Star6.5k

Hazelcast 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 caching distributed-systems real-time big-data hazelcast scalability distributed-computing distributed stream-processing in-memory low-latency hacktoberfest data-insights data-in-motion

UpdatedDec 17, 2025
Java

tidwall /buntdb

Star4.8k

BuntDB is an embeddable, in-memory key/value database for Go with custom indexing and geospatial support

golang database key-value geospatial in-memory

UpdatedSep 10, 2024
Go

tarantool /tarantool

Star3.6k

Get your data in RAM. Get compute close to data. Enjoy the performance.

database lua disk msgpack in-memory transactions tarantool appserver

UpdatedDec 17, 2025
Lua

bluele /gcache

Star2.7k

An in-memory cache library for golang. It supports multiple eviction policies: LRU, LFU, ARC

go golang cache lru in-memory arc lfu

UpdatedMar 1, 2024
Go

streamich /memfs

Sponsor

Star2k

Node.js "fs" and browser "File System API" adapters and in-memory implementations 👍

crud node memory filesystem fs file cas in-memory file-system fsa webfs browserfs memfs opfs

UpdatedNov 30, 2025
TypeScript

RedBeardLab /rediSQL

Star1.5k

Redis module that provides a completely functional SQL database

rust redis sql in-memory sqlite3 redisql

UpdatedJul 11, 2021
C

tidwall /summitdb

Star1.4k

In-memory NoSQL database with ACID transactions, Raft consensus, and Redis API

json database nosql raft geospatial in-memory

UpdatedApr 22, 2022
Go

lmdbjava /lmdbjava

Star863

Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store

java database key-value lmdb in-memory low-latency embedded-database

UpdatedNov 20, 2025
Java

boinkor-net /governor

Star839

A rate-limiting library for Rust (f.k.a. ratelimit_meter)

rust async rate-limiting in-memory no-std gcra

UpdatedDec 17, 2025
Rust

philippgille /chromem-go

Star802

Embeddable vector database for Go with Chroma-like interface and zero third-party dependencies. In-memory with optional persistence.

go golang embedded embeddings in-memory nearest-neighbor chroma cosine-similarity rag vector-search vector-database llm llms chromadb retrieval-augmented-generation

UpdatedOct 10, 2025
Go

Restream /reindexer

Star797

Embeddable, in-memory, document-oriented database with a high-level Query builder interface.

go database cpp in-memory knn-search cpp-library fulltext-search vector-similarity embedable vector-search hybrid-search ann-search document-oriented-database

UpdatedDec 17, 2025
C++

rikyoz /bit7z

Sponsor

Star789

A C++ static library offering a clean and simple interface to the 7-zip shared libraries.

c-plus-plus compression cross-platform gzip cpp zip tar rar archives extraction bzip2 in-memory cpp-library 7-zip static-library encrypted-archives 7z 7zip multi-volume-archives archives-metadata

UpdatedOct 4, 2025
C++

sheharyarn /que

Star680

Simple Job Processing in Elixir with Mnesia ⚡

kubernetes elixir background-jobs in-memory cloud-native job-queue gen-server hacktoberfest mnesia

UpdatedAug 1, 2025
Elixir

NeighTools /UnityDoorstop

Star531

Doorstop -- run C# before Unity does!

unity mono bootstrapper in-memory

UpdatedOct 17, 2025
C

ZhuoZhuoCrayon /throttled-py

Star484

🔧 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 redis async rate-limiting in-memory asyncio rate-limit throttling rate-limiter token-bucket throttler gcra