1.alibaba / zvec
A lightweight, lightning-fast, in-process vector database
- rag
- agent-skills
- embedded
- faiss
- hnsw
- llm-memory
- +9 more
+6,730 stars
from 9,448 · score 8.81
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
79 repositories by Attention Score · May 8, 2026 – Nov 3, 2026 (UTC)
2.duckdb / duckdb
DuckDB is a high-performance analytical database system
+5,094 stars
from 37,698 · score 8.54
3.ClickHouse / ClickHouse
ClickHouse® is a real-time analytics database management system
+3,813 stars
from 46,923 · score 8.25
4.dragonflydb / dragonfly
A modern replacement for Redis and Memcached
+1,584 stars
from 30,257 · score 7.37
5.facebookresearch / faiss
A library for efficient similarity search and clustering of dense vectors.
+1,514 stars
from 39,742 · score 7.32
6.typesense / typesense
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-engine
- search
- typo-tolerance
- site-search
- instantsearch
- fuzzy-search
- +14 more
+1,443 stars
from 25,633 · score 7.28
7.MariaDB / server
MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
+1,055 stars
from 7,468 · score 6.96
8.sqlitebrowser / sqlitebrowser
Official home of the DB Browser for SQLite (DB4S) project. Previously known as "SQLite Database Browser" and "Database Browser for SQLite". Website at:
+884 stars
from 23,866 · score 6.79
9.LadybugDB / ladybug
LadybugDB a graph database
- database
- graph
- cypher
- cypher-query-language
- code-knowledge-base
- code-knowledge-graph
- +1 more
+827 stars
from 1,073 · score 6.72
10.meta / rocksdb
A library that provides an embeddable, persistent key-value store for fast storage.
- database
- storage-engine
+748 stars
from 31,493 · score 6.62
11.google / leveldb
LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.
+688 stars
from 38,831 · score 6.54
12.apple / foundationdb
FoundationDB - the open source, distributed, transactional key-value store
- key-value-store
- transactional
- acid
- distributed-database
- foundationdb
+590 stars
from 16,248 · score 6.38
13.mongodb / mongo
The MongoDB Database
+587 stars
from 28,085 · score 6.38
14.manticoresoftware / manticoresearch
Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.
- search-engine
- search
- mysql
- sphinxsearch
- cpp
- stream-filtering
- +9 more
+385 stars
from 11,691 · score 5.96
15.scylladb / scylladb
NoSQL data store using the Seastar framework, compatible with Apache Cassandra and Amazon DynamoDB
+374 stars
from 15,446 · score 5.93
16.vesoft-inc / nebula
A distributed, fast open-source graph database featuring horizontal scalability and high availability
- graph-database
- distributed
- database
- graphdb
- raft
- cpp
- +11 more
+364 stars
from 12,102 · score 5.90
17.mysql / mysql-server
MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
+363 stars
from 12,133 · score 5.90
18.oceanbase / oceanbase
OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.
- oceanbase
- paxos
- htap
- cloud-native
- mysql-compatibility
- oltp
- +14 more
+326 stars
from 10,040 · score 5.79
19.unum-cloud / USearch
Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍
- kann
- vector-search
- approximate-nearest-neighbor-search
- simd
- search
- similarity-search
- +12 more
+315 stars
from 4,054 · score 5.76
20.infiniflow / infinity
The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.
- ai-native
- nearest-neighbor-search
- rag
- vector-search
- information-retrival
- bm25
- +13 more
+284 stars
from 4,474 · score 5.65
21.Tencent / MMKV
An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.
+280 stars
from 18,493 · score 5.64
22.apache / kvrocks
Apache Kvrocks is a distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol.
- redis
- kv
- namespace
- redis-cluster
- distributed
- database
+208 stars
from 4,281 · score 5.34
23.SouravRoy-ETL / slothdb
An experimental embedded SQL engine in C++20. Query Parquet, CSV, JSON, Arrow, Avro, SQLite, and Excel files directly with SQL, in-process. Early-stage.
- analytics
- columnar-database
- cpp
- database
- embedded-database
- olap
- +12 more
+195 stars
from 217 · score 5.28
24.activeloopai / deeplake
Deeplake is AI Data Runtime for Agents. It provides serverless postgres with a multimodal datalake, enabling scalable retrieval and training.
- deep-learning
- pytorch
- ai
- mlops
- computer-vision
- datalake
- +13 more
+193 stars
from 9,072 · score 5.27
25.arangodb / arangodb
🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.
- multi-model
- graph-database
- document-database
- key-value
- database
- distributed-database
- +3 more
+184 stars
from 14,107 · score 5.22
26.nmslib / hnswlib
Header-only C++/python library for fast approximate nearest neighbors
+177 stars
from 5,188 · score 5.18
27.kuzudb / kuzuArchived
Embedded property graph database built for speed. Vector search and full-text search built in. Implements Cypher.
- database
- cypher
- graph
- embeddable
- graph-database
- graphdb
- +5 more
+170 stars
from 3,849 · score 5.14
28.spotify / annoy
Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk
- c-plus-plus
- python
- nearest-neighbor-search
- locality-sensitive-hashing
- approximate-nearest-neighbor-search
- golang
- +1 more
+154 stars
from 14,177 · score 5.04
29.redis / RedisDesktopManager
The repository host gives no description.
+134 stars
from 23,087 · score 4.91
30.2shady4u / godot-sqlite
GDExtension wrapper for SQLite (Godot 4.x+)
+112 stars
from 1,341 · score 4.73
+111 stars
from 12,388 · score 4.72
32.fastfloat / fast_float
Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, MySQL, DuckDB, Chromium, Redis and WebKit/Safari
+104 stars
from 2,039 · score 4.65
33.rethinkdb / rethinkdb
The open-source database for the realtime web.
+95 stars
from 26,912 · score 4.56
34.VectorDB-NTU / RaBitQ-Library
Official library for RaBitQ vector quantization and approximate nearest-neighbor search, in C++ and Python.
- nearest-neighbor-search
- quantization
- vector-database
- vector-search
- ann
- approximate-nearest-neighbor-search
- +7 more
+91 stars
from 202 · score 4.52
35.jtv / libpqxx
The official C++ client API for PostgreSQL.
- postgresql
- postgres
- cplusplus
- cplusplus-17
- databases
- cplusplus-20
- +1 more
+68 stars
from 1,300 · score 4.23
36.fnc12 / sqlite_orm
❤️ SQLite ORM light header only library for modern C++
+66 stars
from 2,632 · score 4.20
37.drolbr / Overpass-API
A database engine to query the OpenStreetMap data.
+61 stars
from 878 · score 4.13
38.pgRouting / pgrouting
Repository contains pgRouting library. Development branch is "develop", stable branch is "master"
- postgis
- postgresql-extension
- routing
- spatial-analysis
- network-analysis
- osgeo
+59 stars
from 1,388 · score 4.09
39.villagesql / villagesql-server
VillageSQL - a drop-in replacement for MySQL with extensions
+58 stars
from 132 · score 4.08
40.percona / percona-xtrabackup
Open source hot backup tool for InnoDB and XtraDB databases
+54 stars
from 1,507 · score 4.01
41.SOCI / soci
Official repository of the SOCI - The C++ Database Access Library
- cplusplus
- database-library
- postgresql
- mysql
- odbc
- db2
- +4 more
+44 stars
from 1,579 · score 3.81
42.TileDB-Inc / TileDB
The Universal Storage Engine
- tiledb
- arrays
- storage-engine
- scientific-computing
- data-analysis
- hdfs
- +7 more
+43 stars
from 2,047 · score 3.78
+40 stars
from 142 · score 3.71
44.webyog / sqlyog-community
Webyog provides monitoring and management tools for open source relational databases. We develop easy-to-use MySQL client tools for performance tuning and database management. Webyog's solutions include SQL Diagnostic Manager for MySQL performance optimization and SQLyog for MySQL administration. More than 35,000 companies (including Amazon, IBM, Salesforce, AT&T, eBay, and GE) and 2.5 million users rely on Webyog's solutions to provide valuable insights into their databases. Webyog is an Idera, Inc. company.
+29 stars
from 2,315 · score 3.40
45.munich-data-engineering / sqlgen
sqlgen is a reflection-based ORM and SQL query generator for C++-20, similar to Python's SQLAlchemy/SQLModel or Rust's Diesel.
+28 stars
from 175 · score 3.37
46.epam / Indigo
Universal cheminformatics toolkit, utilities and database search tools
- indigo
- bingo
- cheminformatics
- chemistry
- python
- dotnet
- +9 more
+26 stars
from 389 · score 3.30
+24 stars
from 9,333 · score 3.22
48.treefrogframework / treefrog-framework
TreeFrog Framework : High-speed C++ MVC Framework for Web Application
- websocket
- mongodb
- redis
- mysql
- postgresql
- json
- +13 more
+23 stars
from 1,363 · score 3.18
49.mysql / mysql-workbench
This repository contains the now EOL version of MySQL Workbench 8. For the new Workbench, see https://github.com/mysql/mysql-shell-plugins
+22 stars
from 981 · score 3.14
50.NGT-labs / NGT
Nearest Neighbor Search with Neighborhood Graph and Tree for High-dimensional Data
- approximate-nearest-neighbor-search
- k-nearest-neighbors
- knn-search
- nearest-neighbors
- nearest-neighbor-search
- vector-database
- +1 more
+20 stars
from 1,357 · score 3.04
+19 stars
from 2,607 · score 3.00
52.flann-lib / flann
Fast Library for Approximate Nearest Neighbors
+19 stars
from 2,362 · score 3.00
+19 stars
from 12 · score 3.00
54.ideawu / ssdb
SSDB - A fast NoSQL database, an alternative to Redis
+16 stars
from 8,295 · score 2.83
55.unum-cloud / UStore
Multi-Modal Database replacing MongoDB, Neo4J, and Elastic with 1 faster ACID solution, with NetworkX and Pandas interfaces, and bindings for C 99, C++ 17, Python 3, Java, GoLang 🗄️
- acid
- database
- key-value-store
- document-database
- graph-database
- json
- +14 more
+16 stars
from 630 · score 2.83
56.mongodb / mongo-cxx-driver
C++ Driver for MongoDB
- driver
- mongodb
- c-plus-plus
- c-plus-plus-11
- networking
- bson
- +11 more
+15 stars
from 1,093 · score 2.77
57.speedb-io / speedb
A RocksDB compliant high performance scalable embedded key-value store
- key-value-store
- kvs
- storage-engine
- speedb
- embedded
- performance
- +3 more
+14 stars
from 998 · score 2.71
58.gvinciguerra / PGM-index
🏅State-of-the-art learned data structure that enables fast lookup, predecessor, range searches and updates in arrays of billions of items using orders of magnitude less space than traditional indexes
- data-structures
- database
- cpp
- research
- indexing
- big-data
- +8 more
+13 stars
from 865 · score 2.64
59.mysql / mysql-connector-cpp
MySQL Connector/C++ is a MySQL database connector for C++. It lets you develop C++ and C applications that connect to MySQL Server.
+13 stars
from 697 · score 2.64
60.Restream / reindexer
Embeddable, in-memory, document-oriented database with a high-level Query builder interface.
- database
- embedable
- go
- in-memory
- cpp
- cpp-library
- +7 more
+11 stars
from 801 · score 2.48
61.percona / percona-xtradb-cluster
A High Scalability Solution for MySQL Clustering and High Availability
- pxc
+11 stars
from 379 · score 2.48
62.nanodbc / nanodbc
C++ ODBC wrapper
+10 stars
from 379 · score 2.40
63.mysql / mysql-shell
MySQL Shell is a command line scriptable shell for MySQL, with support for logical backups, InnoDB Cluster management and more. It supports SQL, JavaScript and Python.
+10 stars
from 217 · score 2.40
64.meta-toolkit / meta
A Modern C++ Data Sciences Toolkit
- nlp
- nlp-parsing
- search-engine
- inverted-index
- pos-tag
- text-analysis
- +6 more
+9 stars
from 712 · score 2.30
65.silverqx / TinyORM
Modern C++ ORM library
- orm
- database
- migrations
- query-builder
- seeder
- cplusplus20
- +3 more
+9 stars
from 344 · score 2.30
66.griddb / griddb
GridDB is a next-generation open source database that makes time series IoT and big data fast,and easy.
- database
- griddb
- nosql
- iot
- fast
- time-series
- +4 more
+6 stars
from 2,466 · score 1.95
67.r-dbi / odbc
Connect to ODBC databases (using the DBI interface)
+6 stars
from 412 · score 1.95
+5 stars
from 1,725 · score 1.79
+5 stars
from 943 · score 1.79
70.LiveAsynchronousVisualizedArchitecture / simdb
A high performance, shared memory, lock free, cross platform, single file, no dependencies, C++11 key-value store
+5 stars
from 558 · score 1.79
71.sony / easyhttpcpp
A cross-platform HTTP client library with a focus on usability and speed
- cpp
- networking
- http
- https
- cross-platform
- cache
+5 stars
from 171 · score 1.79
72.midwork-finds-jobs / duckdb-web-archive
DuckDB extension to fetch pages from Wayback Machine & Common Crawl
+4 stars
from 19 · score 1.61
73.clarisma / geodesk-py
Fast and storage-efficient spatial database engine for OpenStreetMap data
+3 stars
from 49 · score 1.39
74.d-led / influxdb-cpp-rest
Simple C++ InfluxDB client via MS C++ REST SDK + RxCpp for batching (Windows/OSX/Linux) + a C wrapper
- influxdb
- rxcpp
- batching
- client
- time-series
- cross-platform
- +2 more
+3 stars
from 48 · score 1.39
75.facebookarchive / beringeiArchived
Beringei is a high performance, in-memory storage engine for time series data.
+2 stars
from 3,146 · score 1.10
76.vovkos / doxyrest
A compiler from Doxygen XML to reStructuredText -- hence, the name. It parses XML databases generated by Doxygen and produces reStructuredText for the Python documentation generator Sphinx.
- documentation-tool
- documentation-generator
- sphinx-doc
- restructured-text
- lua
- template-engine
+2 stars
from 310 · score 1.10
77.tora-tool / tora
TOra is an open source SQL IDE for Oracle, MySQL and PostgreSQL dbs
+2 stars
from 294 · score 1.10
78.akumuli / AkumuliArchived
Time-series database
- time-series
- database
- c-plus-plus
- tsdb
- time-series-database
- metrics
+1 stars
from 837 · score 0.69
79.tobiasschuerg / InfluxDB-Client-for-Arduino
Simple library for sending measurements to an InfluxDB with a single network request. Supports ESP8266 and ESP32.
- esp8266
- esp8266-arduino
- influxdb
- measurements
- esp32
- arduino-library
- +1 more
+1 stars
from 411 · score 0.69