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Top 23 github-action Open-Source Projects
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a bold attempt, how does it compare with https://github.com/nektos/act which has been the de-jure project in this space? Act has never been in my opinion super great, but it's also been several years since I've checked in to revisit the project.
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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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
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Project mention: We benchmarked a security detector against 500k lines of Go. It found a real bug. | dev.to | 2026-08-24
Two hunks, one line changed. The PR is here: goreleaser#6813.
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ubicloud
Open source alternative to AWS. Elastic compute, block storage (non replicated), firewall and load balancer, managed Postgres, K8s, AI inference, and IAM services.
Ubicloud is a YC-backed open source cloud platform written in Ruby. It provides elastic compute via virtual machines, block storage (non-replicated), virtual networking with firewalls and load balancers, managed Postgres with automatic backups and point-in-time restore, Kubernetes, GitHub Actions runner integration, AI inference, and attribute-based access control. You can self-host it on bare metal from providers like Hetzner or Leaseweb, or use their managed service which runs on the same bare metal providers and handles the operational overhead for you.
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loop-engineering
Practical patterns, starters & CLI tools for loop engineering with AI coding agents. Design systems that prompt and orchestrate agents (inspired by Addy Osmani and Boris Cherny). Includes loop-audit, loop-init, loop-cost.
Meanwhile, the ecosystem materialized. obra/superpowers shipped a complete software development methodology built on composable skills — 1,276+ stars and growing. The cobusgreyling/loop-engineering repo cataloged patterns from Osmani and Cherny into a practical reference.
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drawio-skill
From text & real sources to maintainable .drawio architecture models: Diagram IR with source-kind profiles, incremental sync preserving manual layout, multi-view projection, architecture-as-test with a CI action, query/review, what-if, accessible Story Mode, and a built-in MCP server
Project mention: Ask HN: I still don't understand why AI agents need "skills" | news.ycombinator.com | 2026-08-04The goal is more or less the same, to give the agent the ability to do things it doesn’t know by default. The difference when explaining this new thing to the agent using a skill is that it will only learn how to do it when it needs to, not all the time in all conversations (as the AGENTS.md file is read at the start of every new conversation). Furthermore, giving a model a new capability might require more than just a couple of Markdown files, and that’s where skills come in since they’re only read when needed, rather than at the start of every conversation, so they don’t waste tokens unnecessarily on something that could be very resource-intensive. Plus, decoupling them from an AGENTS.md file makes them easier to deploy.
An example of a skill I use a lot is draw-io skill (https://github.com/Agents365-ai/drawio-skill), it enables the agent to generate Draw.io diagrams. As you can see, there are a lot of Markdown files, but also Python scripts that the model must run to gather what it needs. If this was defined in an AGENTS.md file for a single project it wouldn’t be so bad, but if you have to maintain five skills of this size in your agent (or simply want to share them), you can’t include them in the AGENTS.md file, because they’ll consume all the context, even in a conversation where the agent won’t use any of them. It's like writing reusable and callable functions instead of writing all code in the main() method.
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Kargo
Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.
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community
Public feedback discussions for: GitHub Mobile, GitHub Discussions, GitHub Codespaces, GitHub Sponsors, GitHub Issues and more! (by community)
Not sure if it’s still current, but there’s a comment saying it’s just a US location thing which is quite funny. https://github.com/community/community/discussions/72603#dis...
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Project mention: Arc Tideline: ephemeral GitHub Actions runners powered by Karpenter | dev.to | 2026-06-17
Note: here we will refer to the new mode of running arc, using Autoscaling Runner Scale Sets mode, not the old method based on the legacy Controller and RunnerDeployments
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I use: https://brakemanscanner.org/, https://github.com/gitleaks/gitleaks, https://github.com/zizmorcore/zizmor/
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snk
🟩⬜ Generates a snake game from a github user contributions graph and output a screen capture as animated svg or gif
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actions-gh-pages
GitHub Actions for GitHub Pages 🚀 Deploy static files and publish your site easily. Static-Site-Generators-friendly.
Project mention: Setting up Automatic Deployment from one repository to another | dev.to | 2025-10-08GitHub Actions Documentation peaceiris/actions-gh-pages GitHub Pages Documentation
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Either via the command line: gh aw init. Be sure to install the gh aw extension first.
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digger
Digger is an open source IaC orchestration tool. Digger allows you to run IaC in your existing CI pipeline ⚡️
Project mention: Show HN: Tf-dialect: Teach AI agents your org's Terraform standards via MCP | news.ycombinator.com | 2025-11-14Hey HN - I am working on a terraform automation tool [1] and have been observing that a lot of our users are now using coding agents in their workflows, even for infra tasks. Obviously, this means a lot of terraform is being generated by coding agents, and while this is great for greenfield setups, most teams already have conventions in place.
My colleague was speaking to a friend earlier today, who mentioned that they've heard from people who "never wanted to touch TF starting to use it because AI is making it easier for them."
This led me to think that we need to make it easy for folks to use their agents to generate context aware IaC, and we need to be the best tool to run that agent generated IaC.
In the process of this thought exercise I vibe coded tf-dialect. Would love to learn how the community uses coding agents to manage infra and if something like this would be useful.
[1]: https://digger.dev
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github-pages-deploy-action
🚀 Automatically deploy your project to GitHub Pages using GitHub Actions. This action can be configured to push your production-ready code into any branch you'd like.
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Project mention: Copilot Autofix Introduced a Critical CI/CD Bug at Snowflake. Here's How to Harden GitHub Actions | dev.to | 2026-08-17
actionlint lints workflow syntax and catches bogus expressions. It flags github.event.pull_request used on issue triggers in many cases, and it is one command to run.
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action-tmate
Debug your GitHub Actions via SSH by using tmate to get access to the runner system itself.
A lot of the pain of GitHub Actions gets much better using tools like action-tmate: https://github.com/mxschmitt/action-tmate
As soon as I need more than two tries to get some workflow working, I set up a tmate session and debug things using a proper remote shell. It doesn't solve all the pain points, but it makes things a lot better.
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SaaSHub
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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).
github-actions discussion
github-actions related posts
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A local second brain for coding agents: context, memory and gates in Weftgate 0.2
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Catch broken environment, import, and route connections with Weftgate
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Bin packing Firecracker microVMs for GitHub Actions runners.
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I built a free AI agent that emails me a news briefing every morning, with no server
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Show HN: Infra Lang – Compile a Single DSL to K8s, Compose, Helm and Terraform
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We benchmarked a security detector against 500k lines of Go. It found a real bug.
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Your compiled DSPy program re-sends up to 20 few-shot demos on every single call
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A note from our sponsor - SaaSHub
www.saashub.com | 13 Sep 2026
Index
What are some of the best open-source github-action projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | act | 71,949 |
| 2 | Gitea | 57,945 |
| 3 | awesome-actions | 28,180 |
| 4 | goreleaser | 16,027 |
| 5 | ubicloud | 12,262 |
| 6 | loop-engineering | 11,179 |
| 7 | drawio-skill | 9,134 |
| 8 | community | 8,761 |
| 9 | actions-runner-controller | 6,490 |
| 10 | zizmor | 6,467 |
| 11 | ssh-action | 6,197 |
| 12 | snk | 6,080 |
| 13 | action-gh-release | 5,759 |
| 14 | danger-js | 5,507 |
| 15 | build-push-action | 5,396 |
| 16 | actions-gh-pages | 5,360 |
| 17 | FTP-Deploy-Action | 5,209 |
| 18 | gh-aw | 5,128 |
| 19 | digger | 5,043 |
| 20 | github-pages-deploy-action | 4,605 |
| 21 | actionlint | 4,215 |
| 22 | cml | 4,187 |
| 23 | action-tmate | 3,581 |
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