Open source focus

Open Source Alternatives to Onyx Networks

24 open source Network Security options similar to Onyx Networks, 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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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
Gako7
Cybersecurity
Open-source, self-hostable secret manager where the server cannot read your secrets.
Open source · Self-hostable
Dremio69
Data LakeSanta Clara, United States$395.0M
Self-service analytics on data lakes with data warehouse functionality and data lake flexibility.
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
PostgreSQL66
DatabaseSanta Barbara, USA
A powerful, open-source object-relational database system known for reliability and extensibility.
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
Xata59
DatabaseSan Francisco, United States$35.0M
Open-source Postgres platform for agent scale with copy-on-write branching.
Open source · Self-hostable
ChainSafe Systems57
Web3Toronto, Canada$18.8M
Leading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.
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
Odigos56
Enterprise$13.0M
Open-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.
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
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
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
Nextcloud52
Cloud ComputingNuremberg, Germany$63.0M
Open-source, self-hosted file sync and share and collaboration platform.
Open source · Self-hostable
Kong50
API ManagementSan Francisco, United States$511.0M
API gateway and management platform for microservices and cloud-native applications.
Open source · Self-hostable
Heroic Labs47
GamingLisbon, Portugal
Social infrastructure for games, makers of Nakama game server.
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
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
keyval29
EnterpriseTel Aviv, Israel
Odigos provides an open-source software solution for developers to enable distributed tracing for their applications using OpenTelemetry and eBPF, accelerating production issue resolution.
Open source · Self-hostable
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
Nexspence10
Open Source
A free, open-source, self-hosted universal artifact repository manager.
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

Company	Sector	License	HQ	Funding	Score
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
GakoOpen-source, self-hostable secret manager where the server cannot read your secrets.	Cybersecurity	Open source · Self-hostable	—	—	7
DremioSelf-service analytics on data lakes with data warehouse functionality and data lake flexibility.	Data Lake	Open source · Self-hostable	Santa Clara, United States	$395.0M	69
YugabyteDBDistributed SQL database for cloud-native applications, offering high availability and horizontal scalability.	Database	Open source · Self-hostable	Sunnyvale, United States	$266.0M	67
PostgreSQLA powerful, open-source object-relational database system known for reliability and extensibility.	Database	Open source · Self-hostable	Santa Barbara, USA	—	66
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
XataOpen-source Postgres platform for agent scale with copy-on-write branching.	Database	Open source · Self-hostable	San Francisco, United States	$35.0M	59
ChainSafe SystemsLeading Web3 infrastructure firm specializing in protocol engineering, cross-chain interoperability, and Web3 gaming.	Web3	Open source · Self-hostable	Toronto, Canada	$18.8M	57
TreeverseOpen-source data lake management platform for engineers and data scientists.	DataOps	Open source · Self-hostable	Tel Aviv, Israel	$23.0M	56
OdigosOpen-source project for instant distributed tracing and metrics using eBPF and OpenTelemetry.	Enterprise	Open source · Self-hostable	—	$13.0M	56
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
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
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
NextcloudOpen-source, self-hosted file sync and share and collaboration platform.	Cloud Computing	Open source · Self-hostable	Nuremberg, Germany	$63.0M	52
KongAPI gateway and management platform for microservices and cloud-native applications.	API Management	Open source · Self-hostable	San Francisco, United States	$511.0M	50
Heroic LabsSocial infrastructure for games, makers of Nakama game server.	Gaming	Open source · Self-hostable	Lisbon, Portugal	—	47
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
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
keyvalOdigos provides an open-source software solution for developers to enable distributed tracing for their applications using OpenTelemetry and eBPF, accelerating production issue resolution.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	—	29
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
NexspenceA free, open-source, self-hosted universal artifact repository manager.	Open Source	Open source · Self-hostable	—	—	10
Apache CassandraOpen-source, distributed NoSQL database for handling large-scale, high-availability data without compromising performance.	Database	Open source · Self-hostable	—	—	10