Open source focus

Open Source Alternatives to KloudFuse

43 open source Data Integration options similar to KloudFuse, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

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Responsive35
EnterpriseSan Francisco, United States
Platform for developers building stateful reactive applications on the modern cloud with object store native databases.
Open source · Self-hostable
YugabyteDB67
DatabaseSunnyvale, United States$266.0M
Distributed SQL database for cloud-native applications, offering high availability and horizontal scalability.
Open source · Self-hostable
Redpanda61
Streaming Data PlatformNew York, United States$260.0M
A streaming data platform designed for real-time applications and data pipelines.
Open source · Self-hostable
Appwrite58
EnterpriseSan Francisco, United States$37.0M
Open-source backend-as-a-service platform for building scalable applications.
Open source · Self-hostable
KiloClaw54
Artificial Intelligence
A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
PromptQL45
Artificial IntelligenceSan Francisco, United States
An AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
Noobaa41
EnterpriseSan Francisco, United States$5.0M
NooBaa provides an open-source, S3-compatible object storage platform for managing data across private and public clouds.
Open source · Self-hostable
Procfunc23
Developer Tools
A service written as a plain Go function, supervised by lesiw.io/proc for reliability and distribution.
Open source
Apache CouchDB21
Database
An open-source, document-oriented NoSQL database implemented in Erlang, designed for reliability and seamless multi-primary synchronization.
Open source · Self-hostable
Camunda Pte. Limited20
Workflow AutomationBerlin, Germany
Camunda provides an open-source process automation platform for orchestrating human and system workflows.
Open source · Self-hostable
Realnas19
Open Source
Open-source Network Attached Storage (NAS) operating system based on FreeBSD, managing ZFS, SMB, NFS, users, snapshots, and boot environments.
Open source · Self-hostable
Apache Cassandra10
Database
Open-source, distributed NoSQL database for handling large-scale, high-availability data without compromising performance.
Open source · Self-hostable
Databricks82
Data AnalyticsSan Francisco, United States$36.7B
A unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
Together AI76
AI InfrastructureSan Francisco, United States$906.0M
AI acceleration cloud platform for open source and enterprise.
Open source · Self-hostable
Qdrant71
Vector DatabaseBerlin, Germany$96.5M
High-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
Supabase70
DatabaseSan Francisco, United States$933.0M
Open source Firebase alternative with a PostgreSQL backend and real-time capabilities.
Open source · Self-hostable
ScyllaDB67
DatabasePalo Alto, United States$101.0M
ScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.
Open source · Self-hostable
npm66
Developer ToolsOakland, USA$10.6M
The world's largest software registry for JavaScript packages and the default package manager for Node.js.
Open source · Self-hostable
PostgreSQL66
DatabaseSanta Barbara, USA
A powerful, open-source object-relational database system known for reliability and extensibility.
Open source · Self-hostable
Codefresh62
EnterpriseBrisbane, Australia$42.0M
Octopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.
Open source · Self-hostable
MariaDB61
DatabaseRedwood City, United States$131.0M
A cloud database company providing a unified platform for transactional, analytical, and AI workloads.
Open source · Self-hostable
DragonflyDB61
DatabaseTel Aviv, Israel$21.0M
Source-available, multi-threaded Redis replacement for modern cloud workloads.
Open source · Self-hostable
CIQ59
Artificial IntelligenceReno, United States$26.0M
Sponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.
Open source
Steel.dev58
Developer ToolsTel Aviv, Israel$17.0M
Cloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.
Open source · Self-hostable
Treeverse56
DataOpsTel Aviv, Israel$23.0M
Open-source data lake management platform for engineers and data scientists.
Open source · Self-hostable
pgEdge, Inc.55
DatabaseSan Francisco, United States$24.0M
pgEdge offers distributed PostgreSQL that is optimised for the network edge in order to reduce data latency.
Open source · Self-hostable
Countly55
AnalyticsLondon, United Kingdom$1.1M
Product analytics and customer engagement platform built on an open-source, self-hosted foundation.
Open source · Self-hostable
Liblab55
Developer ToolsAustin, United States$42.0M
SDK-as-a-service platform for API providers, offering code generation and SDK management to enhance developer experience.
Open source · Self-hostable
Feast AI54
MLOpsSan Francisco, United States
An open-source feature store for managing and serving data for AI/ML models in production.
Open source · Self-hostable
OpenOps53
EnterpriseSan Francisco, United States$125K
No-code, open-source cloud automation platform for FinOps and custom solutions.
Open source · Self-hostable
CloudQuery53
EnterpriseSan Francisco, United States$18.5M
Open-source data integration platform for security and infrastructure teams.
Open source · Self-hostable
DBeaver52
Database ManagementPrague, Czech Republic$6.0M
A universal database management tool for developers and database administrators, supporting a wide range of databases.
Open source · Self-hostable
SereneDB49
DatabaseSan Francisco, United States$3.8M
A real-time search analytics database unifying search and analytics in a single platform.
Open source · Self-hostable
SkySQL39
DatabaseRedwood City, United States$42.0M
Provides enterprise-grade database solutions based on the open-source MariaDB, offering advanced features, security, and scalability.
Open source · Self-hostable
Data Commons AI35
Data PlatformMountain View, United States$15.0M
Google's open-source platform that organizes and makes public data accessible and useful for societal challenges through a unified knowledge graph.
Open source · Self-hostable
vxtwitter.com31
Web DevelopmentSan Francisco, United States
The world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.
Open source · Self-hostable
fixupx.com26
Web DevelopmentSan Francisco, United States
The world's leading software development platform for version control and collaboration.
Open source · Self-hostable
ChartDB26
Software DevelopmentTel Aviv, Israel
Visualize, edit, and collaborate on database schemas instantly with a powerful DB diagram editor.
Open source · Self-hostable
Remls22
Developer Tools
GitHub is a platform for developers to collaborate on code, manage projects, and build software.
Open source
Camunda Services GmbH19
Workflow AutomationBerlin, Germany
Company
Open source · Self-hostable
Camunda Inc.19
Process AutomationBerlin, Germany
Company
Open source · Self-hostable
Linuxed19
Enterprise Software
Linuxed provides an AI-powered platform for Linux system administration, automation, and infrastructure management.
Open source · Self-hostable
Fastify12
Developer Tools
An open-source, highly efficient web framework for Node.js focused on speed and low overhead.
Open source

Company	Sector	License	HQ	Funding	Score
ResponsivePlatform for developers building stateful reactive applications on the modern cloud with object store native databases.	Enterprise	Open source · Self-hostable	San Francisco, United States	—	35
YugabyteDBDistributed SQL database for cloud-native applications, offering high availability and horizontal scalability.	Database	Open source · Self-hostable	Sunnyvale, United States	$266.0M	67
RedpandaA streaming data platform designed for real-time applications and data pipelines.	Streaming Data Platform	Open source · Self-hostable	New York, United States	$260.0M	61
AppwriteOpen-source backend-as-a-service platform for building scalable applications.	Enterprise	Open source · Self-hostable	San Francisco, United States	$37.0M	58
KiloClawA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.	Artificial Intelligence	Open source · Self-hostable	—	—	54
PromptQLAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.	Artificial Intelligence	Open source · Self-hostable	San Francisco, United States	—	45
NoobaaNooBaa provides an open-source, S3-compatible object storage platform for managing data across private and public clouds.	Enterprise	Open source · Self-hostable	San Francisco, United States	$5.0M	41
ProcfuncA service written as a plain Go function, supervised by lesiw.io/proc for reliability and distribution.	Developer Tools	Open source	—	—	23
Apache CouchDBAn open-source, document-oriented NoSQL database implemented in Erlang, designed for reliability and seamless multi-primary synchronization.	Database	Open source · Self-hostable	—	—	21
Camunda Pte. LimitedCamunda provides an open-source process automation platform for orchestrating human and system workflows.	Workflow Automation	Open source · Self-hostable	Berlin, Germany	—	20
RealnasOpen-source Network Attached Storage (NAS) operating system based on FreeBSD, managing ZFS, SMB, NFS, users, snapshots, and boot environments.	Open Source	Open source · Self-hostable	—	—	19
Apache CassandraOpen-source, distributed NoSQL database for handling large-scale, high-availability data without compromising performance.	Database	Open source · Self-hostable	—	—	10
DatabricksA unified data analytics and AI platform built on the lakehouse architecture.	Data Analytics	Open source · Self-hostable	San Francisco, United States	$36.7B	82
Together AIAI acceleration cloud platform for open source and enterprise.	AI Infrastructure	Open source · Self-hostable	San Francisco, United States	$906.0M	76
QdrantHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.	Vector Database	Open source · Self-hostable	Berlin, Germany	$96.5M	71
SupabaseOpen source Firebase alternative with a PostgreSQL backend and real-time capabilities.	Database	Open source · Self-hostable	San Francisco, United States	$933.0M	70
ScyllaDBScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.	Database	Open source · Self-hostable	Palo Alto, United States	$101.0M	67
npmThe world's largest software registry for JavaScript packages and the default package manager for Node.js.	Developer Tools	Open source · Self-hostable	Oakland, USA	$10.6M	66
PostgreSQLA powerful, open-source object-relational database system known for reliability and extensibility.	Database	Open source · Self-hostable	Santa Barbara, USA	—	66
CodefreshOctopus Deploy provides a unified platform for continuous delivery, automating deployments, runbooks, and operations for modern applications.	Enterprise	Open source · Self-hostable	Brisbane, Australia	$42.0M	62
MariaDBA cloud database company providing a unified platform for transactional, analytical, and AI workloads.	Database	Open source · Self-hostable	Redwood City, United States	$131.0M	61
DragonflyDBSource-available, multi-threaded Redis replacement for modern cloud workloads.	Database	Open source · Self-hostable	Tel Aviv, Israel	$21.0M	61
CIQSponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.	Artificial Intelligence	Open source	Reno, United States	$26.0M	59
Steel.devCloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence.	Developer Tools	Open source · Self-hostable	Tel Aviv, Israel	$17.0M	58
TreeverseOpen-source data lake management platform for engineers and data scientists.	DataOps	Open source · Self-hostable	Tel Aviv, Israel	$23.0M	56
pgEdge, Inc.pgEdge offers distributed PostgreSQL that is optimised for the network edge in order to reduce data latency.	Database	Open source · Self-hostable	San Francisco, United States	$24.0M	55
CountlyProduct analytics and customer engagement platform built on an open-source, self-hosted foundation.	Analytics	Open source · Self-hostable	London, United Kingdom	$1.1M	55
LiblabSDK-as-a-service platform for API providers, offering code generation and SDK management to enhance developer experience.	Developer Tools	Open source · Self-hostable	Austin, United States	$42.0M	55
Feast AIAn open-source feature store for managing and serving data for AI/ML models in production.	MLOps	Open source · Self-hostable	San Francisco, United States	—	54
OpenOpsNo-code, open-source cloud automation platform for FinOps and custom solutions.	Enterprise	Open source · Self-hostable	San Francisco, United States	$125K	53
CloudQueryOpen-source data integration platform for security and infrastructure teams.	Enterprise	Open source · Self-hostable	San Francisco, United States	$18.5M	53
DBeaverA universal database management tool for developers and database administrators, supporting a wide range of databases.	Database Management	Open source · Self-hostable	Prague, Czech Republic	$6.0M	52
SereneDBA real-time search analytics database unifying search and analytics in a single platform.	Database	Open source · Self-hostable	San Francisco, United States	$3.8M	49
SkySQLProvides enterprise-grade database solutions based on the open-source MariaDB, offering advanced features, security, and scalability.	Database	Open source · Self-hostable	Redwood City, United States	$42.0M	39
Data Commons AIGoogle's open-source platform that organizes and makes public data accessible and useful for societal challenges through a unified knowledge graph.	Data Platform	Open source · Self-hostable	Mountain View, United States	$15.0M	35
vxtwitter.comThe world's leading platform for software development and version control, enabling collaboration and code hosting for millions of developers.	Web Development	Open source · Self-hostable	San Francisco, United States	—	31
fixupx.comThe world's leading software development platform for version control and collaboration.	Web Development	Open source · Self-hostable	San Francisco, United States	—	26
ChartDBVisualize, edit, and collaborate on database schemas instantly with a powerful DB diagram editor.	Software Development	Open source · Self-hostable	Tel Aviv, Israel	—	26
RemlsGitHub is a platform for developers to collaborate on code, manage projects, and build software.	Developer Tools	Open source	—	—	22
Camunda Services GmbHCompany	Workflow Automation	Open source · Self-hostable	Berlin, Germany	—	19
Camunda Inc.Company	Process Automation	Open source · Self-hostable	Berlin, Germany	—	19
LinuxedLinuxed provides an AI-powered platform for Linux system administration, automation, and infrastructure management.	Enterprise Software	Open source · Self-hostable	—	—	19
FastifyAn open-source, highly efficient web framework for Node.js focused on speed and low overhead.	Developer Tools	Open source	—	—	12