head to head · open source
argo-cd vs robusta
argo-cd has 24,532 GitHub stars, 8,091 forks, 4,362 open issues and last shipped yesterday. robusta has 3,130 stars, 329 forks, 204 open issues and last shipped 2 days ago. argo-cd leads on adoption by 684% (24,532 vs 3,130 stars). argo-cd is written in Go under Apache-2.0; robusta is written in Python under MIT. argo-cd has attracted 33% as many forks as stars, robusta 11%. argo-cd was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (devops, docker), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| argo-cd | robusta | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 3.1K |
| License | Apache-2.0 | MIT |
| Written in | Go | Python |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 8.1K | ⑂ 329 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick argo-cd if
- You weight community size — 25K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick robusta if
- You want the robusta feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and robusta fits your workflow better
About argo-cd
Releases: Code: Social: Argo CD Declarative Continuous Delivery for Kubernetes What is Argo CD? Argo CD is a declarative GitOps continuous delivery tool for Kubernetes. Why Argo CD? 1. Application definitions, configurations, and environments should be declarative and version controlled. 1. Application deployment and lifecycle management should be automated, auditable, and easy to understand. Who uses Argo CD? Official Argo CD user list Documentation To learn more about Argo CD go to the complete documentation. Check live demo at Community Contribution, Discussion and Support You can reach the Argo CD community…
read the full argo-cd overview →
About robusta
Robusta Classic Prometheus Alert Enrichment for Kubernetes Note: This repository contains Robusta Classic — the rule based alert enrichment engine. For AI powered root cause analysis, see HolmesGPT. Both can be installed together as part of the Robusta platform. What Can Robusta Do? How it Works Installation Integrations ↗ Docs ↗ Slack Community ↗ Compatible with kube prometheus stack, Prometheus Operator, and more. Robusta integrates with Prometheus by webhook and adds features like: Smart Grouping reduce notification spam with Slack threads 🧵 AI Investigation Kickstart alert investigation with AI (optional)…
read the full robusta overview →
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Frequently asked questions
Is argo-cd or robusta more popular?
argo-cd has 24,532 GitHub stars and robusta has 3,130. argo-cd has the larger community by that measure.
Are argo-cd and robusta free?
Both are open source. argo-cd is licensed under Apache-2.0 and robusta under MIT. Neither carries a licence fee.
What is the difference between argo-cd and robusta?
argo-cd is written in Go and robusta in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, argo-cd or robusta?
Choose argo-cd if you want the larger community (24,532 stars) or its Apache-2.0 licence terms. Choose robusta if its feature set, stack or MIT licence fits better. Both are self-hostable.