1.duckdb / duckdb
DuckDB is a high-performance analytical database system
+939 stars
from 41,853 · score 6.85
Trending repositories
Ranked by Attention Score: stars gained over the last 30 complete days
68 repositories by Attention Score · Oct 5, 2026 – Nov 3, 2026 (UTC)
2.ClickHouse / ClickHouse
ClickHouse® is a real-time analytics database management system
+556 stars
from 50,180 · score 6.32
3.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
+477 stars
from 26,599 · score 6.17
4.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.
+224 stars
from 8,299 · score 5.42
5.facebookresearch / faiss
A library for efficient similarity search and clustering of dense vectors.
+209 stars
from 41,047 · score 5.35
6.alibaba / zvec
A lightweight, lightning-fast, in-process vector database
- rag
- agent-skills
- embedded
- faiss
- hnsw
- llm-memory
- +9 more
+138 stars
from 16,040 · score 4.93
7.dragonflydb / dragonfly
A modern replacement for Redis and Memcached
+122 stars
from 31,719 · score 4.81
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:
+108 stars
from 24,642 · score 4.69
9.meta / rocksdb
A library that provides an embeddable, persistent key-value store for fast storage.
- database
- storage-engine
+94 stars
from 32,147 · score 4.55
10.apple / foundationdb
FoundationDB - the open source, distributed, transactional key-value store
- key-value-store
- transactional
- acid
- distributed-database
- foundationdb
+93 stars
from 16,745 · score 4.54
11.LadybugDB / ladybug
LadybugDB a graph database
- database
- graph
- cypher
- cypher-query-language
- code-knowledge-base
- code-knowledge-graph
- +1 more
+91 stars
from 1,809 · score 4.52
12.mongodb / mongo
The MongoDB Database
+82 stars
from 28,590 · score 4.42
13.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
+77 stars
from 10,289 · score 4.36
14.google / leveldb
LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.
+70 stars
from 39,449 · score 4.26
15.mysql / mysql-server
MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
+70 stars
from 12,426 · score 4.26
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
+65 stars
from 12,401 · score 4.19
17.scylladb / scylladb
NoSQL data store using the Seastar framework, compatible with Apache Cassandra and Amazon DynamoDB
+51 stars
from 15,769 · score 3.95
18.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
+50 stars
from 4,319 · score 3.93
19.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
+45 stars
from 12,031 · score 3.83
20.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
+43 stars
from 4,446 · score 3.78
21.Tencent / MMKV
An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, POSIX, and OHOS.
+29 stars
from 18,744 · score 3.40
22.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
+29 stars
from 4,729 · score 3.40
23.nmslib / hnswlib
Header-only C++/python library for fast approximate nearest neighbors
+25 stars
from 5,340 · score 3.26
24.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
+24 stars
from 14,307 · score 3.22
25.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
+24 stars
from 2,119 · score 3.22
26.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
+21 stars
from 9,244 · score 3.09
27.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
+20 stars
from 14,271 · score 3.04
28.redis / RedisDesktopManager
The repository host gives no description.
+11 stars
from 23,210 · score 2.48
29.pgRouting / pgrouting
Repository contains pgRouting library. Development branch is "develop", stable branch is "master"
- postgis
- postgresql-extension
- routing
- spatial-analysis
- network-analysis
- osgeo
+11 stars
from 1,436 · score 2.48
30.rethinkdb / rethinkdb
The open-source database for the realtime web.
+9 stars
from 26,998 · score 2.30
31.jtv / libpqxx
The official C++ client API for PostgreSQL.
- postgresql
- postgres
- cplusplus
- cplusplus-17
- databases
- cplusplus-20
- +1 more
+9 stars
from 1,359 · score 2.30
32.TileDB-Inc / TileDB
The Universal Storage Engine
- tiledb
- arrays
- storage-engine
- scientific-computing
- data-analysis
- hdfs
- +7 more
+7 stars
from 2,083 · score 2.08
33.drolbr / Overpass-API
A database engine to query the OpenStreetMap data.
+7 stars
from 932 · score 2.08
34.epam / Indigo
Universal cheminformatics toolkit, utilities and database search tools
- indigo
- bingo
- cheminformatics
- chemistry
- python
- dotnet
- +9 more
+7 stars
from 408 · score 2.08
35.villagesql / villagesql-server
VillageSQL - a drop-in replacement for MySQL with extensions
+7 stars
from 183 · score 2.08
36.fnc12 / sqlite_orm
❤️ SQLite ORM light header only library for modern C++
+6 stars
from 2,692 · score 1.95
+6 stars
from 1,275 · score 1.95
38.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.
+6 stars
from 221 · score 1.95
39.ideawu / ssdb
SSDB - A fast NoSQL database, an alternative to Redis
+5 stars
from 8,306 · score 1.79
40.SOCI / soci
Official repository of the SOCI - The C++ Database Access Library
- cplusplus
- database-library
- postgresql
- mysql
- odbc
- db2
- +4 more
+5 stars
from 1,618 · score 1.79
41.percona / percona-xtrabackup
Open source hot backup tool for InnoDB and XtraDB databases
+5 stars
from 1,556 · score 1.79
42.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
+5 stars
from 288 · score 1.79
43.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.
+5 stars
from 198 · score 1.79
+4 stars
from 12,495 · score 1.61
45.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
+4 stars
from 874 · score 1.61
46.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
+4 stars
from 642 · score 1.61
+3 stars
from 2,623 · score 1.39
48.meta / mysql-5.6Archived
Facebook's branch of the Oracle MySQL database. This includes MyRocks.
+3 stars
from 2,573 · score 1.39
49.flann-lib / flann
Fast Library for Approximate Nearest Neighbors
+3 stars
from 2,378 · score 1.39
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
+3 stars
from 1,374 · score 1.39
51.speedb-io / speedb
A RocksDB compliant high performance scalable embedded key-value store
- key-value-store
- kvs
- storage-engine
- speedb
- embedded
- performance
- +3 more
+3 stars
from 1,009 · score 1.39
52.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
+3 stars
from 409 · score 1.39
53.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
+2 stars
from 4,017 · score 1.10
54.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.
+2 stars
from 2,342 · score 1.10
55.baidu / tera
An Internet-Scale Database.
+2 stars
from 1,903 · score 1.10
56.rescrv / HyperDex
HyperDex is a scalable, searchable key-value store
+2 stars
from 1,401 · score 1.10
57.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
+2 stars
from 1,001 · score 1.10
58.meta-toolkit / meta
A Modern C++ Data Sciences Toolkit
- nlp
- nlp-parsing
- search-engine
- inverted-index
- pos-tag
- text-analysis
- +6 more
+2 stars
from 719 · score 1.10
59.nanodbc / nanodbc
C++ ODBC wrapper
+2 stars
from 387 · score 1.10
+2 stars
from 29 · score 1.10
61.mongodb / mongo-cxx-driver
C++ Driver for MongoDB
- driver
- mongodb
- c-plus-plus
- c-plus-plus-11
- networking
- bson
- +11 more
+1 stars
from 1,107 · score 0.69
62.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.
+1 stars
from 709 · score 0.69
63.LiveAsynchronousVisualizedArchitecture / simdb
A high performance, shared memory, lock free, cross platform, single file, no dependencies, C++11 key-value store
+1 stars
from 562 · score 0.69
64.r-dbi / odbc
Connect to ODBC databases (using the DBI interface)
+1 stars
from 417 · score 0.69
65.percona / percona-xtradb-cluster
A High Scalability Solution for MySQL Clustering and High Availability
- pxc
+1 stars
from 389 · score 0.69
66.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
+1 stars
from 311 · score 0.69
+1 stars
from 287 · score 0.69
+1 stars
from 181 · score 0.69