RDFox Alternatives (September 2025)

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.

4.8/5

14+ reviews

Reviewed on:

G2
Capterra
1.
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.

2.
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.

3.
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.

4.
Qdrant - Vector Database - Qdrant
https://qdran
.tech/

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.

5.
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.

6.
Ontotext
https://graphdb.ontotex
.com/

By leveraging AI technologies, we help enterprises get a competitive advantage. We make big knowledge graphs to enable unified data access and analytics.

7.
Crossing Minds - Pioneering AI Ops for Enterprise Personalization
https://crossingmind
.com/

Crossing Minds' advanced AI and ML operations platform, tailored for enterprise growth. Our solutions leverage real-time data processing and machine learning to optimize user experiences and boost business metrics across industries like retail and entertainment. Partner with us and leading brands to revolutionize customer engagement with precision and scale.

8.
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.

9.
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

10.
GraphRAG for enterprise GenAI - Lettria
https://lettri
.com/

Lettria is an AI-powered platform that transforms unstructured data into structured knowledge, enabling smarter, context-rich decision-making.

11.
Home - AllegroGraph
https://allegrograp
.com/

Discover AllegroGraph, the leading Knowledge Graph Platform integrating Neuro-symbolic AI for advanced data analytics and intelligent decision-making. Enhance your data insights with third wave AI technology.

12.
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

13.
ACE - Atex
https://www.ate
.com/products/ace/

API-First, multi-channel CMS, build multi-device presentation layers with your preferred frameworks and languages.

14.
The Data Catalog Platform | data.world
https://dat
.world/

Discover data and metadata in seconds and develop data products and analytics that drive your business.

15.
IPRally – AI Patent Search, Review & Classification
https://www.iprall
.com/

Search and monitor effortlessly, review with AI assistance, perform custom classification in minutes. Powered by unique AI knowledge graph technology.

17.
Native Graph Database | Neo4j Graph Database Platform
https://neo4
.com/product/neo4j-graph-database/

Experience the fastest path to graph with Neo4j. The most trusted, native graph database offers no compromise performance, reliability, and data integrity.

18.
Jaxon
https://jaxo
.ai/

Jaxon is addressing the AI hallucination problem with a reasoning system that uses ‘formal methods’ to mathematically prove the output from LLMs is accurate.

19.
Home - PrimerAI
https://prime
.ai/

At Primer, we help organizations make the best use of their investment in data, by using best-in-class machine learning and natural language processing technologies.

20.
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....

21.
InRule - AI Decisioning Software
https://www.inrul
.com/

Explainable, AI-powered automation​ by combining decisioning, machine learning and process automation – without code.

22.
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!

23.
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

24.
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.

25.
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.

26.
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.

27.
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。

28.
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.

29.
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!

30.
Softspace
https://sof
.space/

Softspace is a spatial AI knowledge engine. Browse the web, pin up images, draft notes, and explore the connections between concepts. Immerse yourself in a spatial computing interface designed for creativity, focus, and flow.

32.
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.

33.
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.

34.
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.

35.
H2O.ai | Convergence of The World's Best Predictive & Generative AI
http://www.h2
.ai/

Our Al-powered search assistant helps you get answers to questions about your documents, websites and workplace content.

36.
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.

38.
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.

39.
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.

40.
Aiven - Your Trusted Data & AI Platform
https://aive
.io/free-redis-database/

Aiven simplifies cloud data infrastructure management by deploying open-source technologies across multiple clouds, enabling fast and confident creation of next-generation applications.

41.
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.

42.
Aiven - Your Trusted Data & AI Platform
https://aive
.io/

Aiven simplifies cloud data infrastructure management by deploying open-source technologies across multiple clouds, enabling fast and confident creation of next-generation applications.

43.
Omniscien Technologies: Secure Artificial Intelligence & NLP
https://omniscie
.com/

Omniscien products augment human Intelligence with state-of-the-art machine translation and artificial intelligence technologies.

44.
AI Deal Sourcing Platform - Cyndx
https://www.cynd
.com/

Cyndx is an AI-powered search and discovery engine built to simplify deal origination.

45.
The In-Memory Database Built for Analytics | Exasol
https://www.exaso
.com/

Exasol is leading the way in data technology with our in-memory database built for analytics. Learn how your data team can do more with Exasol.

46.
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.

47.
AI Development Services - CloudFlex
https://cloudfle
.team/

Elevate your business with our AI development services. Enjoy unlimited capabilities of artificial intelligence with our expert AI developers.

48.
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.

49.
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.

50.
Nalanda Technology | The Home Of Nalytics, Forensic AI Search
https://www.nalytic
.com/

Nalanda Technology develop Nalytics, an AI powered search and discovery platform. We help you search your data and find what you’re looking for.

51.
XpertRule Software
https://xpertrul
.com/

We are a software business, founded by AI and engineering pioneers, that creates exceptional technology, to solve the most complex process challenges.

53.
Data Management System (DBMS): InterSystems IRIS Data Platform | InterSystems
https://www.intersystem
.com/products/intersystems-iris/

InterSystems IRIS is a database management system (DBMS) that makes it easier to build machine learning-enabled applications that connect data and application silos.

54.
The Snowflake AI Data Cloud - Mobilize Data, Apps, and AI
https://www.snowflak
.com/

Snowflake enables organizations to learn, build, and connect with their data-driven peers. Collaborate, build data apps & power diverse workloads in the AI Data Cloud.

55.
Managed SQL Database - Amazon Relational Database Service (RDS) - AWS
https://aws.amazo
.com/rds/

Amazon Relational Database Service (RDS) is a fully managed, open-source cloud database service that allows you to easily operate and scale your relational database of choice, including Amazon Aurora, PostgreSQL, SQL Server, and MySQL.

56.
Knowa | Intelligence across the Board
https://know
.co/

Enterprise ready, AI-fuelled Board solution for access to insights and information. Making governance better, simpler and faster.

57.
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.

58.
Dashworks | AI Knowledge Assistant for Enterprises
https://dashwork
.ai/

Dashworks is the AI knowledge assistant for work. Unify your knowledge bases and get instant AI-powered answers to your questions.

59.
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.

61.
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

62.
Shelf: Knowledge Technology Designed for the Age of GenAI
https://www.shel
.io/

Shelf combines GenAI with a modern SaaS infrastructure to keep your knowledge accurate and trusted to get better answers everywhere.

63.
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.

64.
Kronologic | The Business Orchestration Engine
https://www.kronologi
.ai/

Kronologic is an AI platform giving businesses first-of-their-kind capabilities

65.
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

66.
Hugging Face – The AI community building the future.
https://huggingfac
.co/

We’re on a journey to advance and democratize artificial intelligence through open source and open science.

67.
Scholarcy - Knowledge made simple
https://www.scholarc
.com/

Summarize anything, understand complex research, and organise your knowledge with Scholarcy.

69.
Leading Customer Experience (CX) AI Platform | NICE
https://www.nic
.com/

Build relationships that last with the only AI purpose-built platform for customer experience (CX)

70.
Accelerate Your Digital Transformation & Applications | Gigaspaces
https://www.gigaspace
.com/

GigaSpaces modernizes enterprise architectures to drive digital transformation with unparalleled speed, performance and scale.

71.
Universal Semantic Layer for Self-service Data Analytics
https://cannerdat
.com/

A standard semantic interface to diverse data sources and centralizing governance and control across data applications.

72.
Yseop | Offering Natural Language Generation (NLG) services
https://yseo
.com/

Yseop's offers an AI-powered digital colleague that automates report generation with NLG for highly regulated businesses.

74.
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.

75.
Data Lakehouse Platform Powered by Apache Iceberg | Dremio
https://www.dremi
.com/

The Unified Data Lakehouse Platform for Self-Service Analytics and AI. Dremio provides the fastest SQL engine with the best price-performance for Apache Iceberg

76.
InfoObjects Generative AI Services
https://www.infoobject
.com/

Transform your business with InfoObjects.com – Your Leading Partner in Generative AI, Machine Learning, and AI Consulting Services.

77.
Nuxeo Platform | Content Services Platform | Hyland
https://www.hylan
.com/en/products/nuxeo-platform/

Nuxeo Platform allows you to deploy faster with a robust cloud-based, low-code enterprise content services platform to score quick wins today, and future-proof your business.

78.
Informatica’s AI-powered Intelligent Data Management Cloud | Informatica
https://www.informatic
.com/platform.html/

Look to Informatica’s AI-powered Intelligent Data Management Cloud for a full range of innovative solutions to your company’s data challenges.

79.
Consensus AI-powered Academic Search Engine
https://consensu
.app/

Consensus is a new breed of academic search engine, powered by AI, grounded in science. Find the best papers while getting instant insights and topic synthesis.

80.
Diffbot | Knowledge Graph, AI Web Data Extraction and Crawling
https://www.diffbo
.com/

Transform the web into data. Diffbot automates web data extraction from any website using AI, computer vision, and machine learning.

81.
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).

82.
Welcome to TheMadFox - Your Outsourcing Technology Partner
https://themadfo
.com/

Expert developers specialized in AI, blockchain, and web solutions. Efficient, and cutting-edge. We help your business succeed with the latest technologies

83.
Text Analysis Software - Relative Insight
https://www.relativeinsigh
.com/

Our AI text analysis software helps research and insight teams understand their audiences by transforming text into quantified insights.

85.
DGX-2 : AI Servers for Solving Complex AI Challenges | NVIDIA
https://www.nvidi
.com/en-in/data-center/dgx-2/

Experience 10X the Deep Learning performance with NVIDIA DGX-2. Build your own private enterprise-grade AI cloud with virtualization support.

86.
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.

88.
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.

89.
Qodex.ai | AI tool for QA automation & testing
https://www.qode
.ai/

Qodex.ai is an AI-powered QA automation tool for building, using, and testing web apps, mobile apps, and API testing.

90.
Clarifai, the AI Workflow Orchestration Platform
https://www.clarifa
.com/

Clarifai is the leading AI orchestration platform to quickly build, manage, orchestrate and operationalize AI on-prem, air-gapped, or in the cloud.

91.
GBC.AI
https://gb
.ai/

Leading Blockchains Towards Intelligence

92.
AI-Powered Knowledge Base Software That Scales With Your Product
https://document36
.com/

Instantly create a knowledge base for your customers and teams. Build FAQ, User guides, Product Documentation, Standard Operating Procedures and many more

93.
Patent search, Technology Landscaping, ML Tools & Building Big Data Engineering
https://www.patent-ar
.com/

SciTech Patent Art is a global leader in patent search, technology landscaping and in building big data engineering / ML tools

94.
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.

96.
SymphonyAI | AI SaaS for Businesses
https://www.symphonya
.com/

SymphonyAI delivers AI-based predictive and generative solutions that solve challenges and drive results for global brands across industries.

98.
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!

99.
OpenSistemas | IT Consultancy Data & AI
https://opensistema
.com/en/it-consultancy/

OpenSistemas is an IT Consultancy firm specializing in Data, AI, and Cloud for Digital Transformation environments.