Open Source Projects using Kubernetes
A curated collection of the 32 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.
Passkeys, SSO, and MFA without vendor lock-in
Stars
9,066Last commit
14 hours agoLicense
AGPL-3.0
Open source authentication platform supporting passkeys, 2FA, SSO, and social login. Self-host or use Hanko Cloud, with full control over your data and no lock-in.
Open Source Alternative to:
An AI assistant that acts, not just answers
Stars
393,935Last commit
5 hours agoLicense
MIT
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:
One interface for every AI model you run or connect
Stars
157,822Last commit
5 hours agoLicense
BSD-3-Clause
Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
Open Source Alternative to:
Visual builder for AI agents and RAG pipelines
Stars
156,345Last commit
9 hours agoLicense
MIT
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:
Org chart, budgets, and governance for AI agent teams
Stars
Stars growing quickly over the last 30 days111,212Last commit
5 hours agoLicense
MIT
Manages teams of AI agents across business functions with org charts, goal alignment, cost tracking, ticket tracing, and board-level governance controls.
Open Source Alternative to:
Secure authentication and access control made simple
Stars
37,712Last commit
6 hours agoLicense
Apache-2.0
Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.
Open Source Alternative to:
Save links, notes, and images. AI tags them for you.
Stars
30,297Last commit
1 day agoLicense
AGPL-3.0
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:
Secure secret management for modern development teams
Stars
30,278Last commit
5 hours agoLicense
MIT
End-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.
Open Source Alternative to:
Open-source vector database for AI search and retrieval
Stars
29,639Last commit
6 days agoLicense
Apache-2.0
Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.
Open Source Alternative to:
Desktop and phone app for your Claude, Codex and Grok sessions
Stars
24,493Last commit
7 hours agoLicense
MIT
Orchestrates Claude Code, Codex, and Grok through a single desktop and mobile app, reusing the AI subscriptions you already pay for.
Open Source Alternative to:
Cost-effective log aggregation that indexes labels, not full text
Stars
29,127Last commit
6 hours agoLicense
AGPL-3.0
Horizontally scalable, multi-tenant log aggregation system that stores and queries logs using label-based indexing instead of full-text indexing, keeping storage costs low.
Open Source Alternative to:
Take control of your identity with a secure, flexible solution
Stars
26,238Last commit
5 hours agoLicense
MIT
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:
Python-native workflow orchestration for data and ML teams
Stars
24,117Last commit
13 hours agoLicense
Apache-2.0
Orchestrate data pipelines, ML jobs, and agent workflows in plain Python with automatic retries, scheduling, and a unified UI for every run across your infrastructure.
Open Source Alternative to:
Collect, transform, and route logs and metrics in one tool
Stars
22,801Last commit
10 hours agoLicense
MPL-2.0
Rust-built observability pipeline tool that collects, transforms, and routes logs and metrics across 47 sources and 62 sinks with no runtime dependencies.
Open Source Alternative to:
Scalable open-source distributed storage system
Stars
17,200Last commit
11 hours agoLicense
Unknown
Ceph provides unified object, block, and file storage from a single cluster built on commodity hardware.
Open Source Alternative to:
Run long-running AI tasks without timeouts or servers
Stars
16,716Last commit
2 days agoLicense
Apache-2.0
Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.
Open Source Alternative to:
Open-source mail server with unlimited sending & AI tools
Stars
16,189Last commit
5 months agoLicense
AGPL-3.0
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:
Common layer for composing and governing AI agents
Stars
Stars growing over the last 30 days11,225Last commit
5 hours agoLicense
Apache-2.0
Meta-harness that sits above Claude Code, Codex, and other AI agents to add policy enforcement, sandboxing, and real-time collaborative sessions.
Open Source Alternative to:
Privacy-first survey and experience management platform
Stars
13,217Last commit
5 hours agoLicense
AGPL-3.0
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:
Unify, automate, and elevate your monitoring workflow
Stars
12,494Last commit
1 day agoLicense
MIT
Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.
Open Source Alternative to:
Open-source LLM tracing & evaluation for AI optimization
Stars
Stars growing over the last 30 days12,151Last commit
5 hours agoLicense
Elastic-2.0
Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.
Open Source Alternative to:
Build product integrations with 500+ APIs in hours
Stars
Stars growing over the last 30 days13,123Last commit
5 hours agoLicense
Elastic-2.0
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:
Magical data pipeline tool for seamless transformations
Stars
8,841Last commit
13 days agoLicense
Apache-2.0
Open-source data pipeline platform for effortless data integration, transformation, and orchestration using Python, SQL, and R.
Open Source Alternative to:
Unified observability database for metrics, logs, and traces
Stars
6,786Last commit
5 hours agoLicense
Apache-2.0
Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.
Open Source Alternative to:
YAML-defined workflow orchestration, no database required
Stars
Stars growing over the last 30 days4,547Last commit
6 hours agoLicense
GPL-3.0
Single-binary workflow orchestrator that runs scheduled DAGs locally or over SSH, with retries, human tasks, a built-in Web UI, and file-based state storage.
Open Source Alternative to:
Lightweight distributed storage for self-hosting
Stars
Stars growing over the last 30 days4,828Last commit
12 days agoLicense
AGPL-3.0
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:
Open source security automation platform for builders
Stars
3,890Last commit
12 hours agoLicense
AGPL-3.0
Tracecat is a scalable, self-hostable platform for automating security workflows and playbooks without limits.
Open Source Alternative to:
Open-source growth platform for customer-centric teams
Stars
4,111Last commit
5 hours agoLicense
AGPL-3.0
All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.
Open Source Alternative to:
Complete IT infrastructure monitoring made simple
Stars
Stars growing quickly over the last 30 days2,632Last commit
16 hours agoLicense
GPL-2.0
Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.
Open Source Alternative to:
Serverless GPU compute with sub-second cold starts
Stars
1,844Last commit
5 hours agoLicense
AGPL-3.0
Run GPU inference, task queues, and sandboxes on serverless infrastructure with sub-second cold starts, autoscaling, and support for your own AWS, GCP, or bare metal.
Open Source Alternative to:
Revolutionizing data processing with Compute Over Data
Stars
876Last commit
4 days agoLicense
Apache-2.0
Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.
Open-source GraphQL federation platform
Stars
482Last commit
15 hours agoLicense
MIT
A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
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Bright Data
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