Open Source Projects using Kubernetes

A curated collection of the 27 best open source software using Kubernetes. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.

Hanko

Passkeys, SSO, and 2FA without vendor lock-in

Stars
8,935
Forks
1,011
Last commit
1 day ago

Open source authentication platform supporting passkeys, passwords, SSO, and MFA. Self-host or use Hanko Cloud, with full data control and GDPR-friendly EU hosting.

Open Source Alternative to:

Clerk

OpenClaw

An AI assistant that acts, not just answers

Stars
374,694
Forks
78,028
Last commit
5 hours ago

A personal AI assistant that connects to your existing chat apps and handles real tasks like email, calendar, and flight check-ins on your behalf.

Open Source Alternative to:

Zo Computer

Open WebUI

One interface for every AI model you run or connect

Stars
138,660
Forks
19,839
Last commit
19 hours ago

Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.

Open Source Alternative to:

Claude

Langflow

Visual builder for AI agents and RAG pipelines

Stars
148,754
Forks
9,121
Last commit
7 hours ago

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Open Source Alternative to:

Voiceflow

Keycloak

Secure authentication and access control made simple

Stars
34,573
Forks
8,389
Last commit
8 hours ago

Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.

Open Source Alternative to:

WorkOS

Chroma

Open-source vector database for AI search and retrieval

Stars
28,090
Forks
2,273
Last commit
6 hours ago

Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.

Open Source Alternative to:

Supabase

Infisical

Secure secret management for modern development teams

Stars
27,025
Forks
1,909
Last commit
9 hours ago

End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.

Open Source Alternative to:

Doppler

Karakeep

Save links, notes, and images. AI tags them for you.

Stars
25,494
Forks
1,208
Last commit
4 days ago

Self-hostable bookmark manager that saves links, notes, images, and PDFs, then automatically tags and organizes them using AI for faster retrieval.

Open Source Alternative to:

Pocket

Prefect

Resilient workflow orchestration for data pipelines

Stars
22,465
Forks
2,316
Last commit
20 hours ago

Prefect offers modern tools to build, monitor, and react to data workflows efficiently and reliably.

Open Source Alternative to:

Supermetrics

Authentik

Take control of your identity with a secure, flexible solution

Stars
21,649
Forks
1,603
Last commit
12 hours ago

authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Open Source Alternative to:

Clerk

Billion Mail

Open-source mail server with unlimited sending & AI tools

Stars
14,874
Forks
1,564
Last commit
1 month ago

Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.

Open Source Alternative to:

Resend

Ceph

Scalable open-source distributed storage system

Stars
16,647
Forks
6,395
Last commit
5 hours ago

Ceph provides unified object, block, and file storage from a single cluster built on commodity hardware.

Open Source Alternative to:

Amazon S3

Trigger

Run long-running AI tasks without timeouts or servers

Stars
15,099
Forks
1,266
Last commit
1 day ago

Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.

Open Source Alternative to:

Make

Formbricks

Privacy-first survey and experience management platform

Stars
12,297
Forks
2,289
Last commit
5 hours ago

Collect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.

Open Source Alternative to:

Google Forms

Keep

Unify, automate, and elevate your monitoring workflow

Stars
11,867
Forks
1,397
Last commit
5 hours ago

Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Open Source Alternative to:

Opsgenie

Arize Phoenix

Open-source LLM tracing & evaluation for AI optimization

Stars
9,838
Forks
892
Last commit
6 hours ago

Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.

Open Source Alternative to:

LangSmith

Mage

Magical data pipeline tool for seamless transformations

Stars
8,736
Forks
966
Last commit
11 days ago

Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

Open Source Alternative to:

Pipedream

Nango

Build product integrations with 500+ APIs in hours

Stars
8,371
Forks
816
Last commit
10 hours ago

Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.

Open Source Alternative to:

Pipedream

GreptimeDB

Unified observability database for metrics, logs, and traces

Stars
6,303
Forks
493
Last commit
6 hours ago

Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.

Erxes

Open-source growth platform for customer-centric teams

Stars
3,984
Forks
1,277
Last commit
6 hours ago

All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.

Open Source Alternative to:

HubSpot

Tracecat

Open source security automation platform for builders

Stars
3,614
Forks
359
Last commit
2 days ago

Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.

Open Source Alternative to:

Jira

Garage

Lightweight distributed storage for self-hosting

Stars
3,832
Forks
142
Last commit
12 days ago

Self-contained distributed object storage with S3 API compatibility. Runs on minimal hardware, replicates data across 3 zones for maximum resilience.

Open Source Alternative to:

Amazon S3

Checkmk

Complete IT infrastructure monitoring made simple

Stars
2,269
Forks
534
Last commit
5 hours ago

Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.

Open Source Alternative to:

DataDog

Beam

Ultrafast AI infrastructure with instant scaling

Stars
1,654
Forks
142
Last commit
7 hours ago

Run AI workloads with sub-second cold starts, elastic GPU scaling, and secure sandboxed environments. Scale to zero when idle, burst to thousands instantly.

Open Source Alternative to:

Vertex AI

Bacalhau

Revolutionizing data processing with Compute Over Data

Stars
860
Forks
99
Last commit
5 days ago

Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.

Hive

Open-source GraphQL federation platform

Stars
477
Forks
131
Last commit
5 hours ago

A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs

Open Source Alternative to:

Hasura

Streamdal

Code-native data privacy for real-time applications

Stars
615
Forks
16
Last commit
3 months ago

Embed privacy controls in your code to detect and protect PII, preventing unintended data exposure and building trust through secure data handling.

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Browse tools using Kubernetes by category

AI Agent Platforms using Kubernetes

AI Chat Interfaces using Kubernetes

AI Development Platforms using Kubernetes

AI Integration Platforms using Kubernetes

AI Personal Assistants using Kubernetes

API Infrastructure Tools using Kubernetes

API Integration Tools using Kubernetes

Application Security Tools using Kubernetes

Authentication & SSO Providers using Kubernetes

Authorization & Permissions Tools using Kubernetes

Backend-as-a-Service (BaaS) Tools using Kubernetes

Bookmark Managers using Kubernetes

Cloud Storage Tools using Kubernetes

CRM Systems using Kubernetes

Customer Communication Platforms using Kubernetes

Data Platforms for AI using Kubernetes

Distributed Compute Tools using Kubernetes

Distributed Storage Tools using Kubernetes

Email Marketing & Newsletter Tools using Kubernetes

ETL & Data Integration Tools using Kubernetes

Feedback & Feature Request Management Tools using Kubernetes

Form Builder Tools using Kubernetes

GPU & Compute Platforms using Kubernetes

Infrastructure Monitoring Tools using Kubernetes

Job Scheduling Tools using Kubernetes

LLM Application Frameworks using Kubernetes

Low-Code/No-Code Platforms using Kubernetes

Marketing Automation Tools using Kubernetes

Monitoring & Observability Tools using Kubernetes

PII Detection & Protection Tools using Kubernetes

Read-it-Later & Knowledge Hubs using Kubernetes

Secrets Platforms using Kubernetes

Security Automation (SIEM/SOAR) Tools using Kubernetes

Storage Tools using Kubernetes

Survey Tools using Kubernetes

Time Series Databases using Kubernetes

Vector Databases using Kubernetes

Workflow Automation Tools using Kubernetes

Workflow Orchestration Tools using Kubernetes

Hanko

Passkeys, SSO, and 2FA without vendor lock-in

Stars
8,935
Forks
1,011
Last commit
1 day ago

Open source authentication platform supporting passkeys, passwords, SSO, and MFA. Self-host or use Hanko Cloud, with full data control and GDPR-friendly EU hosting.

Open Source Alternative to:

Clerk

OpenClaw

An AI assistant that acts, not just answers

Stars
374,694
Forks
78,028
Last commit
5 hours ago

A personal AI assistant that connects to your existing chat apps and handles real tasks like email, calendar, and flight check-ins on your behalf.

Open Source Alternative to:

Zo Computer

Open WebUI

One interface for every AI model you run or connect

Stars
138,660
Forks
19,839
Last commit
19 hours ago

Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.

Open Source Alternative to:

Claude

Langflow

Visual builder for AI agents and RAG pipelines

Stars
148,754
Forks
9,121
Last commit
7 hours ago

Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.

Open Source Alternative to:

Voiceflow

Keycloak

Secure authentication and access control made simple

Stars
34,573
Forks
8,389
Last commit
8 hours ago

Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.

Open Source Alternative to:

WorkOS

Chroma

Open-source vector database for AI search and retrieval

Stars
28,090
Forks
2,273
Last commit
6 hours ago

Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.

Open Source Alternative to:

Supabase

Infisical

Secure secret management for modern development teams

Stars
27,025
Forks
1,909
Last commit
9 hours ago

End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.

Open Source Alternative to:

Doppler

Karakeep

Save links, notes, and images. AI tags them for you.

Stars
25,494
Forks
1,208
Last commit
4 days ago

Self-hostable bookmark manager that saves links, notes, images, and PDFs, then automatically tags and organizes them using AI for faster retrieval.

Open Source Alternative to:

Pocket

Prefect

Resilient workflow orchestration for data pipelines

Stars
22,465
Forks
2,316
Last commit
20 hours ago

Prefect offers modern tools to build, monitor, and react to data workflows efficiently and reliably.

Open Source Alternative to:

Supermetrics

Authentik

Take control of your identity with a secure, flexible solution

Stars
21,649
Forks
1,603
Last commit
12 hours ago

authentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.

Open Source Alternative to:

Clerk

Billion Mail

Open-source mail server with unlimited sending & AI tools

Stars
14,874
Forks
1,564
Last commit
1 month ago

Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.

Open Source Alternative to:

Resend

Ceph

Scalable open-source distributed storage system

Stars
16,647
Forks
6,395
Last commit
5 hours ago

Ceph provides unified object, block, and file storage from a single cluster built on commodity hardware.

Open Source Alternative to:

Amazon S3

Trigger

Run long-running AI tasks without timeouts or servers

Stars
15,099
Forks
1,266
Last commit
1 day ago

Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.

Open Source Alternative to:

Make

Formbricks

Privacy-first survey and experience management platform

Stars
12,297
Forks
2,289
Last commit
5 hours ago

Collect feedback across websites, apps, and emails with targeted surveys, user segmentation, and GDPR-compliant data handling. Self-host or use the cloud.

Open Source Alternative to:

Google Forms

Keep

Unify, automate, and elevate your monitoring workflow

Stars
11,867
Forks
1,397
Last commit
5 hours ago

Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.

Open Source Alternative to:

Opsgenie

Arize Phoenix

Open-source LLM tracing & evaluation for AI optimization

Stars
9,838
Forks
892
Last commit
6 hours ago

Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.

Open Source Alternative to:

LangSmith

Mage

Magical data pipeline tool for seamless transformations

Stars
8,736
Forks
966
Last commit
11 days ago

Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.

Open Source Alternative to:

Pipedream

Nango

Build product integrations with 500+ APIs in hours

Stars
8,371
Forks
816
Last commit
10 hours ago

Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.

Open Source Alternative to:

Pipedream

GreptimeDB

Unified observability database for metrics, logs, and traces

Stars
6,303
Forks
493
Last commit
6 hours ago

Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.

Erxes

Open-source growth platform for customer-centric teams

Stars
3,984
Forks
1,277
Last commit
6 hours ago

All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.

Open Source Alternative to:

HubSpot

Tracecat

Open source security automation platform for builders

Stars
3,614
Forks
359
Last commit
2 days ago

Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.

Open Source Alternative to:

Jira

Garage

Lightweight distributed storage for self-hosting

Stars
3,832
Forks
142
Last commit
12 days ago

Self-contained distributed object storage with S3 API compatibility. Runs on minimal hardware, replicates data across 3 zones for maximum resilience.

Open Source Alternative to:

Amazon S3

Checkmk

Complete IT infrastructure monitoring made simple

Stars
2,269
Forks
534
Last commit
5 hours ago

Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.

Open Source Alternative to:

DataDog

Beam

Ultrafast AI infrastructure with instant scaling

Stars
1,654
Forks
142
Last commit
7 hours ago

Run AI workloads with sub-second cold starts, elastic GPU scaling, and secure sandboxed environments. Scale to zero when idle, burst to thousands instantly.

Open Source Alternative to:

Vertex AI

Bacalhau

Revolutionizing data processing with Compute Over Data

Stars
860
Forks
99
Last commit
5 days ago

Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.

Hive

Open-source GraphQL federation platform

Stars
477
Forks
131
Last commit
5 hours ago

A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs

Open Source Alternative to:

Hasura

Streamdal

Code-native data privacy for real-time applications

Stars
615
Forks
16
Last commit
3 months ago

Embed privacy controls in your code to detect and protect PII, preventing unintended data exposure and building trust through secure data handling.