Qdrant Alternatives (September 2025)

Qdrant is an Open-Source Vector Database and Vector Search Engine written in Rust. It provides fast and scalable vector similarity search service with convenient API.

4.5/5

12+ reviews

Reviewed on:

G2
1.
The vector database to build knowledgeable AI | Pinecone
https://www.pinecon
.io/

Search through billions of items for similar matches to any object, in milliseconds. It’s the next generation of search, an API call away.

2.
The AI-native database developers love | Weaviate
https://weaviat
.io/

Bring AI-native applications to life with less hallucination, data leakage, and vendor lock-in

3.
Real-time Analytics Database
https://crated
.com/

Real-time analytics database for instant aggregations and hybrid search. No more need for complex indexing strategies, everything is indexed automatically. Execute ad-hoc queries, perform hybrid search effortlessly, and boost developer productivity with native SQL.

4.
ObjectBox, the edge vector database
https://www.objectbo
.io/

High-speed & lightweight database solution which securly stores your data privatly on-device and syncs it seamless to millions of devices

5.
Dgraph | Open Source, AI-Ready Graph Database
https://dgrap
.io/

The only open source, AI-ready graph database that gives developers the tools to quickly build distributed applications at scale.

6.
ArangoDB: Multi-Model Database for Your Modern Apps
https://www.arangod
.com/

ArangoDB is the leading multi-model database for high-performance applications. Try it now for flexible data modeling and efficient querying.

7.
AI Ready Vector Database and Data Analytics Platform| KX
https://k
.com/

Explore the world's fastest database and analytics platform. Data-driven organizations choose KX for faster, more confident decision making.

9.
QuestDB | Peak time-series performance database
https://questd
.io/

QuestDB is the world's fastest growing open-source time-series database. It offers massive ingestion throughput, millisecond queries, powerful time-series SQL extensions, and scales well with minimal and maximal hardware. Save costs with better performance and efficiency.

10.
One-stop Generative AI Stack to Build Production-ready Apps | DataStax
https://www.datasta
.com/

Go from app idea to production with 20% higher relevance and 74x faster response on the industry-leading vector database, Astra DB. Get started for free!

11.
Elasticsearch — built on the Elastic Search AI Platform | Elastic
https://www.elasti
.co/enterprise-search/

Easily build GenAI search applications and conversational experiences at scale. Empower your developers with tools they can use, no matter the use case....

12.
ScyllaDB | Monstrously Fast + Scalable NoSQL
https://www.scyllad
.com/

ScyllaDB is the distributed database for data-intensive apps that require high performance and low latency.

13.
Supabase | The Open Source Firebase Alternative
https://supabas
.com/

Build production-grade applications with a Postgres database, Authentication, instant APIs, Realtime, Functions, Storage and Vector embeddings. Start for free.

14.
In-Memory Distributed Cache for .NET & Java, Open Source - NCache
https://www.alachisof
.com/ncache/

NCache is an extremely fast and scalable Open Source In-Memory Distributed Cache for .NET and Java that caches app data and stores Web Sessions in multi-server environments.

15.
Aerospike | Aerospike
https://www.aerospik
.com/

Aerospike provides organizations with a real-time, multi-model database that fits their needs to scale, manage cloud services, and reduce cost.

16.
Oracle Berkeley DB
https://www.oracl
.com/database/technologies/related/berkeleydb.html/

The Oracle Berkeley DB family of open source, embeddable databases provides developers with fast, reliable, local persistence with zero administration. Often deployed as an 'edge' database, Oracle Berkeley DB provides very high performance, reliability, scalability, and availability for application use cases that do not require SQL

17.
Hazelcast | Unified Real-Time Data Platform for Instant Action
https://hazelcas
.com/

Take instant action on your streaming data by combining stream processing and an ultra-fast data store in one unified platform. Get started!

18.
GridDB: Open Source Time Series Database for IoT
https://gridd
.net/

Toshiba GridDBâ„¢ is a highly scalable, in-memory NoSQL time series database optimized for IoT and Big Data.

19.
Database | Oracle
https://www.oracl
.com/database/

Harness AI with Oracle Database 23ai to power app development and critical workloads, enhancing your data operations for free.

20.
VelocityDB
https://velocityd
.com/

VelocityDB is an easy to use, extremely high performance, scalable, embeddable and distributable object database system with indexes for C# .NET applications with a small footprint (~ 600KB).

21.
Fauna | The Distributed Document-Relational Database
https://faun
.com/

Fauna combines the relational power, strong consistency, and schema capabilities of a relational database with the flexibility and scalability of documents, all delivered as a Cloud API with zero engineering operations.

22.
Cloudera Operational Database: Database Management Tool | Cloudera
https://www.clouder
.com/products/operational-db.html/

Cloudera Operational Database is a cloud-native service that speeds up, automates, and simplifies the development and deployment of mission-critical applications.

24.
Altinity | Run open source ClickHouse® better
https://altinit
.com/

Build ClickHouse-based analytics applications that detect, analyze, and leverage real-time insights for any use case in any environment.

25.
InfluxDB Time Series Data Platform | InfluxData
https://www.influxdat
.com/

Manage all types of time series data in a single, purpose-built database. Optimized for speed in any environment in the cloud, on-premises, or at the edge.

26.
IBM Informix
https://www.ib
.com/products/informix/

IBM Informix is an embeddable, high-performance database for integrating SQL, NoSQL, JSON, time-series and spatial data. It is available as a managed service on IBM Cloud, as standalone software, and within IBM Cloud Pak for Data.

27.
RocksDB | A persistent key-value store | RocksDB
http://rocksd
.org/

RocksDB is an embeddable persistent key-value store for fast storage.

28.
Redpanda | The streaming data platform for developers
https://www.redpand
.com/

Redpanda is a powerful, simple, and cost-efficient streaming data platform that is compatible with Kafka® APIs while eliminating Kafka complexity.

30.
Advanced Artificial Intelligence API
https://nlpclou
.io/

Advanced AI platform, for NER, sentiment analysis, emotion analysis, text classification, summarization, dialogue summarization, question answering, text generation, image generation, translation, language detection, grammar and spelling correction, intent classification, paraphrasing and rewriting, code generation, chatbot/conversational AI, automatic speech recognition api, speech to text, semantic similarity, semantic search, speech synthesis, Part-Of-Speech tagging, tokenization, lemmatization, and embeddings. Use the best AI engines without sacrificing data privacy.

31.
HarperDB | Enterprise Application Platform
https://www.harperd
.io/

HarperDB's global application platform simplifies development with one package that includes a lightning-fast database, embedded API server, and real-time global data replication. Deploy from cloud to edge to on-prem.

32.
PostgreSQL ++ for time series and events | Timescale
https://www.timescal
.com/

Engineered to handle demanding workloads, like time series, vector, events, and analytics data. Built on PostgreSQL, with expert support at no extra charge.

33.
SingleStore | The Real-Time Data Platform for Intelligent Applications
https://www.singlestor
.com/

Designed for applications, analytics and AI, SingleStore is the world's only real-time data platform to read, write and reason on petabyte-scale data in a few milliseconds.

34.
NAZAR.AI | AI Powered Database Performance & Cost Optimization
https://naza
.io/

NAZAR.AI mission is to tackle‍ inefficiencies in databases. We've helped to fix thousands of database performance issues. The manner in which databases manage system load directly influences costs and outcomes. When properly utilized, databases can work wonders. We're here to support you.

36.
Redis - The Real-time Data Platform
https://redi
.io/

Developers love Redis. Unlock the full potential of the Redis database with Redis Enterprise and start building blazing fast apps.

37.
Actian NoSQL Object Databases | Actian FastObjects
https://www.actia
.com/databases/nosql/

Our NoSQL Object Database manages data without the need for mapping code to store & retrieve objects in Java & C++ applications.

38.
Hazelcast Platform - Self-Managed | Hazelcast
https://hazelcas
.com/products/hazelcast-platform/

The self-managed version of Hazelcast Platform allows you to deploy Hazelcast within your preferred environment. Get started instantly!

39.
MinIO | S3 & Kubernetes Native Object Storage for AI
https://www.mini
.io/

MinIO's High Performance Object Storage is Open Source, Amazon S3 compatible, Kubernetes Native and is designed for cloud native workloads like AI.

40.
Cohere | The leading AI platform for enterprise
https://coher
.ai/

Cohere provides industry-leading large language models (LLMs) and RAG capabilities tailored to meet the needs of enterprise use cases that solve real-world problems.

41.
eXtremeDB Database Management System for Professional Developers - McObject LLC
https://www.mcobjec
.com/

Small, fast, reliable database management system Persistent and/or in-memory data storage for edge-cloud, powerful for professional developers

43.
BangDB - AI Database for Graph and Time-Series Data
https://bangd
.com/

BangDB is an AI database platform with Graph and time-series data analysis. It is designed for modern use cases for edge computing

44.
Warp 10 - The Most Advanced Time Series Platform
https://www.warp1
.io/

The Warp 10 platform is built to simplify managing and processing Time Series data. It includes a Geo Time Series database and a companion analytics engine.

45.
Redis Cloud | Docs
https://redi
.io/docs/latest/operate/rc/

The fastest way to set up Redis - a fully managed Redis database on major public cloud services.

46.
NoSQL Database | Oracle
https://www.oracl
.com/database/nosql/

NoSQL Database can be run in the cloud or on-premises for applications that require either flexible data models, workloads, demanding predictable, lighting fast access to data or easy to use APIs.

47.
Object Storage for Capacity-Intensive Workloads | Cloudian
https://cloudia
.com/

Cloudian provides exabyte-scale storage for your capacity-intensive workloads: S3-compatible storage for on-prem, hybrid cloud, and multi-cloud.

48.
Couchbase: Best NoSQL Cloud Database Service
https://www.couchbas
.com/

Couchbase is the NoSQL cloud database platform for business-critical and AI-powered applications. Uncompromised speed, versatility, affordability, and ease of use for building modern, AI-powered applications. ✓ Learn more.

49.
IBM Db2
https://www.ib
.com/db2/

IBM Db2 is the database to run your mission-critical workloads. Power low-latency transactions and real-time analytics across any cloud, hybrid or on-prem.

50.
Cloud Data Warehouse For Engineers | Firebolt
http://firebol
.io/

Firebolt is a complete redesign of the cloud data warehouse for the era of cloud and data lakes. Data warehousing with extreme speed & elasticity at scale.

51.
Database Hosting | Fully Managed Cloud Services - ScaleGrid
https://scalegri
.io/

ScaleGrid makes it easy to deploy database hosting for MySQL™, PostgreSQL®, Redis®, MongoDB®, and, Greenplum Database® on every major cloud. Try it for free!

52.
Apache Usergrid — the BaaS not made for Hipsters
https://usergrid.apach
.org/

An open-source Backend-as-a-Service stack for web & mobile applications, based on RESTful APIs.

53.
One search bar for your business | Qatalog
https://qatalo
.com/

Ask a question, and Qatalog becomes your trusted knowledge navigator — instantly delivering accurate answers. Powered by AI.

54.
The Fastest Real-Time Analytics on Planet Earth | StarTree
https://startre
.ai/

Transform your business with the leading real-time analytics solution, trusted at scale, from the creators of Apache Pinot.

55.
High-Performance Data Storage Software for Your Cloud | StorPool
https://storpoo
.com/

"StorPool is the most efficient, reliable & scalable data storage software for Cloud Builders, Hosters & MSPs. Starts from 1 million IOPS and 0.1 ms of latency."

56.
KubeMQ: Kubernetes Message Queue Broker Platform
https://kubem
.io/

Kubernetes message broker and message queue platform. An open-source project providing the most efficient way to connect microservices.

57.
AI search that understands | Algolia
https://www.algoli
.com/

Enterprises and developers use Algolia’s AI search infrastructure to understand users and show them what they’re looking for.

58.
MariaDB Enterprise Open Source Database | MariaDB
https://mariad
.com/

MariaDB provides enterprise open source database and cloud managed database services to support scalability, mission-critical deployments, and more.

59.
Cloudant - IBM Cloud
https://cloud.ib
.com/catalog/services/cloudant/

IBM Cloudant is a fully managed JSON document database that offers independent serverless scaling of provisioned throughput capacity and storage. Cloudant is compatible with Apache CouchDB and accessible through a simple to use HTTPS API for web, mobile, and IoT applications.

60.
DaoCloud Enterprise
https://docs.daoclou
.io/

DaoCloud Enterprise 5.0 下一代容器化平台集大成者,引领云原生浪潮,推动数字化转型。

61.
Bonsai | Fully Managed Elasticsearch & OpenSearch
https://bonsa
.io/

Bonsai keeps your search evergreen with expert deployment, ongoing maintenance, and maximum data security for Elasticsearch or OpenSearch.

62.
Red Hat Data Grid
https://www.redha
.com/en/technologies/jboss-middleware/data-grid/

An in-memory, distributed, NoSQL datastore solution that lets your applications access, process, and analyze data.

63.
Open Source Enterprise Kubernetes Platform | KubeSphere
https://kubespher
.io/

An open source Kubernetes Platform to manage enterprise-grade Kubernetes across hybrid cloud, multi-cloud and edge. Get started for free!

66.
The Cloud Operational Data Store | Materialize
https://materializ
.com/

Materialize's Cloud Operational Data Store offers real-time data insights for effective business operations & decision-making.

68.
Oxford Semantic Technologies Knowledge Graph & AI | RDFox
https://www.oxfordsemanti
.tech/

Oxford Semantic Technologies is an AI and Knowledge Graph Tech start-up from Oxford University. RDFox is the rules-based AI and world’s most performant knowledge graph.

69.
MongoDB: The Developer Data Platform | MongoDB
https://www.mongod
.com/

Get your ideas to market faster with a developer data platform built on the leading modern database. MongoDB makes working with data easy.

70.
High-performance Open Source API Gateway | KrakenD
https://www.kraken
.io/

KrakenD is a high-performance Open Source API Gateway that enables you to build scalable and resilient microservices architectures.

71.
QNAP (US) | Experts in NAS, Networking, and Smart Surveillance
https://www.qna
.com/en-us/

QNAP offers NAS/DAS, networking, and intelligent video solutions, as well as myQNAPcloud Storage cloud storage and Cloud NAS, to meet the storage, performance, security, and scalability needs of individuals and businesses.

72.
APISCRAPY - AI-Driven Web Scraping & Workflow Automation
https://apiscrap
.com/

Elevate efficiency with APISCRAPY's AI-Driven Web Scraping & workflow automation. Streamline processes seamlessly. Embrace the future of productivity.

73.
Open Source Search Engine - Amazon OpenSearch Service - AWS
https://aws.amazo
.com/opensearch-service/

Unlock fast and scalable search, monitoring, and analysis for log analytics and website search by deploying and running OpenSearch and ALv2 Elasticsearch.

75.
Azure Database for PostgreSQL | Microsoft Azure
https://azure.microsof
.com/en-us/products/postgresql/

Try Azure Database for PostgreSQL to build reliable and intelligent applications for your organization. Explore open-source PostgreSQL database.

76.
Apache Kudu - Fast Analytics on Fast Data
https://kudu.apach
.org/

A new open source Apache Hadoop ecosystem project, Apache Kudu completes Hadoop's storage layer to enable fast analytics on fast data

77.
Managed PostgreSQL service | Aiven
https://aive
.io/postgresql/

Aiven for PostgreSQL – Managed Postgres database service with Postgres extensions, database forking, connection pooling.

78.
Leading Software QA Outsourcing Company - QASource
https://www.qasourc
.com/

QASource is a top software QA outsourcing company providing expertly engineered traditional and AI-augmented solutions for comprehensive software testing.

79.
eCommerce Search Merchandising and Machine Learning for Solr - FindTuner
https://findtune
.com/

FindTuner helps online retailers work less for better search results with the only turnkey eCommerce search merchandising solution for Solr.

80.
Truto - Unified API Platform & Services
https://trut
.dev/

Build native integrations fast with Truto. Integration is a solved problem. Why have your best engineers work on integrations when they can focus on architecture, design, and product?

81.
SoftwareMill - proactively transforming your business with technology
https://softwaremil
.com/

Custom software solutions: web applications, backend systems & enterprise applications. Scala, Java, Big Data, Machine Learning, Blockchain.

83.
Cloud Application Hosting for Developers | Render
https://rende
.com/

Render is a unified cloud to build and run all your apps and websites with free TLS certificates, global CDN, private networks and auto deploys from Git.

84.
Afi - Intelligent & Resilient Data Protection for the Cloud
https://af
.ai/

Intelligent data protection, purpose-built for the Cloud applications. Afi microservices-based architecture enables unrivaled speed and scalability, while the AI engine ensures high degree of autonomy and resistance to errors

86.
Harmonic.ai - The complete startup database
https://www.harmoni
.ai/

Harmonic's data engine keeps 20M+ companies & 150M+ professional profiles fresh, so you can always be in the loop when a company just raised a round, just hired a CTO, or just crossed the 1M follower mark on Twitter.

87.
The Enterprise Knowledge Graph Platform | Stardog
https://www.stardo
.com/

Learn how Stardog's Enterprise Knowledge Graph platform is the key to building a data fabric.

88.
Best Test Management and Automated Testing Tools | QMetry
https://www.qmetr
.com/

Explore QMetry's innovative test management solutions designed to streamline your software testing process and enhance team collaboration. Drive efficiency with comprehensive test automation capabilities and harness the power of AI in testing.

89.
Salad - Distributed GPU Cloud | 11,000+ daily active GPUs from $0.02/hour
https://sala
.com/

Save up to 90% on cloud costs compared to hyperscalers. Deploy AI/ML production models easily on the world's largest distributed cloud. Perfect for AI inference, batch processing, molecular dynamics & more.

90.
ZeroMQ
https://zerom
.org/

An open-source universal messaging library

91.
The world's most advanced service mesh. | Linkerd
https://linker
.io/

Linkerd adds critical security, observability, and reliability to your Kubernetes stack, without any code changes.

92.
PrizmDoc HTML5 Document Viewing & Editing
https://www.accusof
.com/products/prizmdoc/

PrizmDoc: Embed powerful HTML5 document viewing and editing into your application for advanced document processing functionality.

93.
94.
95.
gRPC
https://grp
.io/

A high performance, open source universal RPC …

96.
Elastic Stack: (ELK) Elasticsearch, Kibana & Logstash | Elastic
https://www.elasti
.co/elastic-stack/

Reliably and securely take data from any source, in any format, then search, analyze, and visualize it in real time....

97.
Percona Server for MongoDB - MongoDB Alternative | Percona
https://www.percon
.com/mongodb/software/percona-server-for-mongodb/

Percona Server for MongoDB is a free, enhanced, fully compatible MongoDB software alternative for MongoDB Community Server with enterprise-grade features.

98.
Percona Server for MySQL - Open Source MySQL Server Alternative
https://www.percon
.com/mysql/software/percona-server-for-mysql/

Percona Server for MySQL is a free, fully compatible, open source MySQL Server alternative that offers breakthrough performance and scalability. Learn more!

99.
SAP HANA Cloud
https://www.sa
.com/products/technology-platform/hana.html/

SAP HANA Cloud is a single database as a service (DBaaS) foundation for modern applications and analytics across all enterprise data.