Open source focus

Open Source Alternatives to Curity Identity Server

34 open source Identity & Access Management Software options similar to Curity Identity Server, 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.

View all alternatives to Curity Identity Server →

ORY47
Identity & Access ManagementBerlin, Germany$17.0M
Open-source identity and authorization services for applications, offering composable and scalable IAM solutions.
Open source · Self-hostable
Bitwarden57
CybersecuritySanta Barbara, United States$130.0M
Open-source password manager for individuals, teams, and businesses.
Open source · Self-hostable
Solo.io56
Artificial IntelligenceCambridge, USA$174.8M
Enterprise agentic AI orchestration
Open source · Self-hostable
Tidelift50
SaaSBoston, United States$15.0M
Platform providing managed open source software with security, maintenance, and licensing assurances for enterprises.
Open source · Self-hostable
Slauth.io43
EnterpriseAshburn, United States$1.5M
Ark Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
Falco10
Cybersecurity
Open-source, cloud-native runtime security tool for detecting anomalous application behavior across hosts, containers, and Kubernetes.
Open source · Self-hostable
Umbrasec9
Cybersecurity
Independent defensive security research focused on detection engineering, threat analysis, and open-source tooling for defenders.
Open source
YugabyteDB67
DatabaseSunnyvale, United States$266.0M
Distributed SQL database for cloud-native applications, offering high availability and horizontal scalability.
Open source · Self-hostable
Pulumi66
Infrastructure as CodeSeattle, United States$228.5M
Modern infrastructure as code platform enabling developers to manage cloud resources using familiar programming languages.
Open source · Self-hostable
Gitpod63
Developer ToolsTübingen, Germany$28.0M
Cloud Development Environments for efficient and secure team software development.
Open source · Self-hostable
Logz.io63
EnterpriseTel Aviv, Israel$132.0M
Logz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.
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
Xata59
DatabaseSan Francisco, United States$35.0M
Open-source Postgres platform for agent scale with copy-on-write branching.
Open source · Self-hostable
Mirantis58
Cloud InfrastructureCampbell, United States$255.0M
Mirantis provides cloud-native infrastructure and AI platforms for enterprises to manage and operate complex environments.
Open source · Self-hostable
InfluxData58
DatabaseSan Francisco, United States$200.1M
Creator of InfluxDB, an open-source time series database for managing and analyzing high-volume, high-speed data.
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
CloudQuery53
EnterpriseSan Francisco, United States$18.5M
Open-source data integration platform for security and infrastructure teams.
Open source · Self-hostable
WireMock53
Enterprise$6.5M
Industry-standard API simulation and mocking platform for reliable software development and testing.
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
Kestra49
Data OrchestrationParis, France$36.0M
An open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.
Open source · Self-hostable
Cloudify40
Cloud InfrastructureTel Aviv, Israel$7.0M
Cloudify provides an open-source cloud orchestration and automation platform for managing complex cloud environments.
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
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
fixupx.com26
Web DevelopmentSan Francisco, United States
The world's leading software development platform for version control and collaboration.
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
Tellstone11
Database
An open-source, cloud-native in-memory database written in Go, offering a RESP2-compatible alternative to Redis.
Open source
Selenium10
Open Source
An open-source framework for automating web browsers for testing and administration tasks.
Open source · Self-hostable
Nexspence10
Open Source
A free, open-source, self-hosted universal artifact repository manager.
Open source · Self-hostable
KubeVirt9
Cloud Computing
Container-native virtualization for Kubernetes, enabling VMs and containers to run side-by-side.
Open source · Self-hostable
Sculptops8
Workflow Automation
Open-source, self-hosted web interface for Ansible to run playbooks, manage inventories, and build automation workflows.
Open source · Self-hostable
Flagon8
Feature Flags
The hub for everything you run: projects, environments, and teams, with feature flags, config, secrets, and events built-in.
Open source
Jenkins Dev Internal7
Developer Tools
An open-source automation server for building, testing, and deploying software.
Open source
Khook7
Kubernetes
A single static binary that transforms a new Kubernetes cluster into a deployable environment.
Open source

Company	Sector	License	HQ	Funding	Score
ORYOpen-source identity and authorization services for applications, offering composable and scalable IAM solutions.	Identity & Access Management	Open source · Self-hostable	Berlin, Germany	$17.0M	47
BitwardenOpen-source password manager for individuals, teams, and businesses.	Cybersecurity	Open source · Self-hostable	Santa Barbara, United States	$130.0M	57
Solo.ioEnterprise agentic AI orchestration	Artificial Intelligence	Open source · Self-hostable	Cambridge, USA	$174.8M	56
TideliftPlatform providing managed open source software with security, maintenance, and licensing assurances for enterprises.	SaaS	Open source · Self-hostable	Boston, United States	$15.0M	50
Slauth.ioArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.	Enterprise	Open source · Self-hostable	Ashburn, United States	$1.5M	43
FalcoOpen-source, cloud-native runtime security tool for detecting anomalous application behavior across hosts, containers, and Kubernetes.	Cybersecurity	Open source · Self-hostable	—	—	10
UmbrasecIndependent defensive security research focused on detection engineering, threat analysis, and open-source tooling for defenders.	Cybersecurity	Open source	—	—	9
YugabyteDBDistributed SQL database for cloud-native applications, offering high availability and horizontal scalability.	Database	Open source · Self-hostable	Sunnyvale, United States	$266.0M	67
PulumiModern infrastructure as code platform enabling developers to manage cloud resources using familiar programming languages.	Infrastructure as Code	Open source · Self-hostable	Seattle, United States	$228.5M	66
GitpodCloud Development Environments for efficient and secure team software development.	Developer Tools	Open source · Self-hostable	Tübingen, Germany	$28.0M	63
Logz.ioLogz.io provides an observability platform for cloud-native businesses, combining open-source tools for monitoring and security.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	$132.0M	63
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
XataOpen-source Postgres platform for agent scale with copy-on-write branching.	Database	Open source · Self-hostable	San Francisco, United States	$35.0M	59
MirantisMirantis provides cloud-native infrastructure and AI platforms for enterprises to manage and operate complex environments.	Cloud Infrastructure	Open source · Self-hostable	Campbell, United States	$255.0M	58
InfluxDataCreator of InfluxDB, an open-source time series database for managing and analyzing high-volume, high-speed data.	Database	Open source · Self-hostable	San Francisco, United States	$200.1M	58
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
CloudQueryOpen-source data integration platform for security and infrastructure teams.	Enterprise	Open source · Self-hostable	San Francisco, United States	$18.5M	53
WireMockIndustry-standard API simulation and mocking platform for reliable software development and testing.	Enterprise	Open source · Self-hostable	—	$6.5M	53
KongAPI gateway and management platform for microservices and cloud-native applications.	API Management	Open source · Self-hostable	San Francisco, United States	$511.0M	50
KestraAn open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.	Data Orchestration	Open source · Self-hostable	Paris, France	$36.0M	49
CloudifyCloudify provides an open-source cloud orchestration and automation platform for managing complex cloud environments.	Cloud Infrastructure	Open source · Self-hostable	Tel Aviv, Israel	$7.0M	40
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
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
fixupx.comThe world's leading software development platform for version control and collaboration.	Web Development	Open source · Self-hostable	San Francisco, United States	—	26
LinuxedLinuxed provides an AI-powered platform for Linux system administration, automation, and infrastructure management.	Enterprise Software	Open source · Self-hostable	—	—	19
TellstoneAn open-source, cloud-native in-memory database written in Go, offering a RESP2-compatible alternative to Redis.	Database	Open source	—	—	11
SeleniumAn open-source framework for automating web browsers for testing and administration tasks.	Open Source	Open source · Self-hostable	—	—	10
NexspenceA free, open-source, self-hosted universal artifact repository manager.	Open Source	Open source · Self-hostable	—	—	10
KubeVirtContainer-native virtualization for Kubernetes, enabling VMs and containers to run side-by-side.	Cloud Computing	Open source · Self-hostable	—	—	9
SculptopsOpen-source, self-hosted web interface for Ansible to run playbooks, manage inventories, and build automation workflows.	Workflow Automation	Open source · Self-hostable	—	—	8
FlagonThe hub for everything you run: projects, environments, and teams, with feature flags, config, secrets, and events built-in.	Feature Flags	Open source	—	—	8
Jenkins Dev InternalAn open-source automation server for building, testing, and deploying software.	Developer Tools	Open source	—	—	7
KhookA single static binary that transforms a new Kubernetes cluster into a deployable environment.	Kubernetes	Open source	—	—	7