head to head · open source
wtf vs robusta
wtf has 17,141 GitHub stars, 867 forks, 107 open issues and last shipped 15 days ago. robusta has 3,130 stars, 329 forks, 204 open issues and last shipped 2 days ago. wtf leads on adoption by 448% (17,141 vs 3,130 stars). wtf is written in Go under MPL-2.0; robusta is written in Python under MIT. wtf has attracted 5% as many forks as stars, robusta 11%. robusta was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (dashboard, devops), 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
| wtf | robusta | |
|---|---|---|
| GitHub stars | ★ 17K | ★ 3.1K |
| License | MPL-2.0 | MIT |
| Written in | Go | Python |
| Last push | 2026-10-21 | 2026-11-03 |
| Forks | ⑂ 867 | ⑂ 329 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick wtf if
- You weight community size — 17K stars and counting
- You want the MPL-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 wtf
:rotating light: :warning: This project is going through some changes as we prepare for v1.0. This includes a rename from WTF to Tessera ! Stay tuned! :warning: :rotating light: WTF (aka 'wtfutil') is the personal information dashboard for your terminal, providing at a glance access to your very important but infrequently needed stats and data. Used by thousands of developers and tech people around the world, WTF is free and open source. To support the continued use and development of WTF, please consider sponsoring WTF via GitHub Sponsors. Are you a contributor or sponsor? Awesome! See here for how you can…
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 wtf or robusta more popular?
wtf has 17,141 GitHub stars and robusta has 3,130. wtf has the larger community by that measure.
Are wtf and robusta free?
Both are open source. wtf is licensed under MPL-2.0 and robusta under MIT. Neither carries a licence fee.
What is the difference between wtf and robusta?
wtf 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, wtf or robusta?
Choose wtf if you want the larger community (17,141 stars) or its MPL-2.0 licence terms. Choose robusta if its feature set, stack or MIT licence fits better. Both are self-hostable.