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Top 23 DevOps Open-Source Projects
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the-book-of-secret-knowledge
A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.
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SaaSHub
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devops-exercises
Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions
Project mention: 10 GitHub Repositories That Will Actually Teach You DevOps in 2026 | dev.to | 2026-05-05github.com/bregman-arie/devops-exercises. 82k stars. Maintained by Arie Bregman, ex-Red Hat.
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> Like… has anyone done a Jepsen-like stress test on rsyslogd and shared the results? I’ve half-assedly looked before and not been able to find anything.
I've not used rsyslogd specifically, but I don't see how you'd have any issues with the log volume you described.
[1] https://github.com/netdata/netdata/tree/master/src/crates/ne...
[2] https://learn.netdata.cloud/docs/logs/systemd-journal-logs/s...
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A deeply-synthesized, opinionated reference distilled from five canonical sources: donnemartin/system-design-primer · ByteByteGoHq/system-design-101 · karanpratapsingh/system-design · ashishps1/awesome-system-design-resources · binhnguyennus/awesome-scalability
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Project mention: Show HN: Nanci, CI written in plain Python, locally debuggable | news.ycombinator.com | 2026-05-14
- The same engine that runs in the cloud can be run locally and show its output in a terminal UI, so pipelines can be developed and fixed on your laptop without pushing on every change, or needing external tooling that can only get so close to the real thing (e.g. https://github.com/nektos/act)
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Gitea
Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD
Project mention: Gitea is 10 years old, but official repo is still hosted on GitHub | news.ycombinator.com | 2026-06-02 -
Project mention: Deep Dive: How Sentry 8.0 Captures Stack Traces for Rust 1.92 and React 19 Apps | dev.to | 2026-04-28
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Project mention: Show HN: ArchGW – an intelligent edge and service proxy for agents | news.ycombinator.com | 2025-07-12
Nice project but there are several dozens of AI gateways now.. all kind doing the same thing. Kong AI gateway [1] was maybe the first to attack the LLM traffic governance and is indeed far ahead in both features and adoption. Trying to understand the value add and differentiator here, since is a problem kinda solved already.
[https://github.com/Kong/kong]
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httpie
🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more. (by httpie)
httpie is easier to read than curl when testing APIs manually.
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Project mention: Ditch Vercel & Netlify: The Best Self-Hosted Alternatives in 2026 | dev.to | 2026-06-01
GitHub: Dokploy/dokploy (34K+ stars) License: Apache 2.0 Best for: Developers who want a Vercel-inspired UI with Docker Swarm clustering
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awesome-sysadmin
A curated list of amazingly awesome open-source sysadmin resources. (by awesome-foss)
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Dokku is the smallest PaaS implementation you've ever seen. It's a self-hosted Heroku alternative that runs on a single server. Push code with git push — Dokku builds, deploys, and manages your apps.
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90DaysOfDevOps
This repository started out as a learning in public project for myself and has now become a structured learning map for many in the community. We have 3 years under our belt covering all things DevOps, including Principles, Processes, Tooling and Use Cases surrounding this vast topic.
Project mention: 10 GitHub Repositories That Will Actually Teach You DevOps in 2026 | dev.to | 2026-05-05github.com/MichaelCade/90DaysOfDevOps. 29k stars. Three years of community-curated 90-day plans.
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Project mention: Top Open-Source Data Engineering Tools- Unravelling the Best in 2026 | dev.to | 2025-12-10
Kestra
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Project mention: AI Alert Assistant: How n8n + LLM Replace Routine Diagnostics | dev.to | 2026-03-23
Personally, it reminds me of Jenkins about ten years ago — and Jenkins was great. You can install n8n using any of the methods described in the documentation, for example using docker-compose
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Project mention: Comparison: k9s 0.32.0 vs. Lens 6.0 vs. Octant 0.25.0 for K8s 1.32 Administration | dev.to | 2026-04-28
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Project mention: Kubernetes Secret Extraction via ArgoCD ServerSideDiff | news.ycombinator.com | 2026-05-01
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Project mention: Get your passwords out of Bitwarden while you still can | news.ycombinator.com | 2026-05-21
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Project mention: 10 GitHub Repositories That Will Actually Teach You DevOps in 2026 | dev.to | 2026-05-05
github.com/milanm/DevOps-Roadmap. 19k stars. A different style of roadmap from #2.
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Gor
GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence in code deployments, configuration changes and infrastructure changes.
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kubesphere
The container platform tailored for Kubernetes multi-cloud, datacenter, and edge management ⎈ 🖥 ☁️
Project mention: kubesphere VS kite - a user suggested alternative | libhunt.com/r/kubesphere | 2025-07-31 -
Project mention: wtfutil/wtf release v0.44.0 and my contribution long forgotten | dev.to | 2025-06-23
Recently I received a notification on a new release of the wtfutil wtf.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
DevOps discussion
DevOps related posts
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Show HN: Nightwatch, The open-source, read-only AI SRE
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Show HN: My home server got unplugged, so I built a recovery CLI
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WinkTerm: AI That Shares Your Terminal Session, Not Just Suggests Commands
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Show HN: WinkTerm – AI that shares the same PTY as you in the terminal
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Setting Up Continuous Terraform Drift Monitoring With GitHub Actions and Slack
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RemotePower – self-hosted remote power management
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Show HN: HomeButler – A CLI that tells you what changed on your home server
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A note from our sponsor - SaaSHub
www.saashub.com | 8 Jun 2026
Index
What are some of the best open-source DevOps projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | the-book-of-secret-knowledge | 220,519 |
| 2 | devops-exercises | 82,568 |
| 3 | Netdata | 79,077 |
| 4 | awesome-scalability | 71,472 |
| 5 | act | 70,767 |
| 6 | Gitea | 56,116 |
| 7 | Sentry | 44,052 |
| 8 | Kong | 43,520 |
| 9 | httpie | 37,683 |
| 10 | dokploy | 34,497 |
| 11 | awesome-sysadmin | 34,135 |
| 12 | Dokku | 31,910 |
| 13 | 90DaysOfDevOps | 29,484 |
| 14 | kestra | 26,974 |
| 15 | Jenkins | 25,363 |
| 16 | lens | 23,151 |
| 17 | argo-cd | 23,065 |
| 18 | sops | 22,016 |
| 19 | DevOps-Roadmap | 19,548 |
| 20 | GoBooks | 19,480 |
| 21 | Gor | 19,282 |
| 22 | kubesphere | 16,953 |
| 23 | wtf | 16,948 |
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