Best open source DevOps projects of 2026

Kubernetes

GO

Production-Grade Container Scheduling and Management

Grafana

TYPESCRIPT

The open and composable observability and data visualization platform

Prometheus

GO

The Prometheus monitoring system and time series database

CoreOS

★ FEATUREDGO

Open source tools of modern distributed systems.

Terraform

GO

Terraform enables you to safely and predictably create, change, and improve infrastructure

Sentry

★ FEATUREDPYTHON

Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.

Puter

★ FEATUREDJAVASCRIPT

Puter is a privacy-focused personal cloud platform that securely stores your files, apps, and games, accessible from anywhere.

Harness

★ FEATUREDGO

Streamline code delivery with an open-source CI/CD platform featuring Git integration, fast pipelines, and hosted development environments.

CasaOS

★ FEATUREDGO

CasaOS is an open-source personal cloud system that makes it easy to set up and manage your own home server

Dokku

★ FEATUREDSHELL

A Docker-powered platform that lets you deploy Heroku-compatible applications via Git, with buildpack support and container isolation.

OpenTofu

GO

A community-driven, truly open-source fork of Terraform for managing cloud infrastructure through code.

Reflex

PYTHON

The operating system for building mission-critical enterprise apps.

Kestra

JAVA

A powerful, open-source orchestrator for building, running, and monitoring complex data pipelines and workflows

Pulumi

GO

Pulumi enables developers to define and manage cloud infrastructure using familiar programming languages instead of domain-specific languages.

ArgoCD

GO

Declarative Continuous Delivery for Kubernetes

Sails Co.

JAVASCRIPT

Full-service web, mobile, & cloud studio providing professional…

Krayin

BLADE

Open source customer relationship management platform with sales tracking, marketing automation, and customizable workflows for businesses of all sizes.

Handy

RUST

Free, open-source speech-to-text app that runs locally on your computer. No cloud dependency, complete privacy, simple push-to-talk functionality.

Temporal

GO

Open source platform that eliminates infrastructure complexity by handling failures, network issues, and long-running processes to ensure reliable workflow execution

OpenObserve

TYPESCRIPT

Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.

Ceph

C++

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

Packer

GO

Packer is a tool for creating identical machine images for multiple platforms from a single source configuration

Gitpod

TYPESCRIPT

Standardized, automated dev environments in the cloud. Self-host or use managed service. Integrate with existing tools and workflows.

Unleash

TYPESCRIPT

A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.

Pyroscope

GO

Open source continuous profiling software to debug performance issues