head to head · open source
jaeger vs 0xtools
jaeger has 23,375 GitHub stars, 3,223 forks, 547 open issues and last shipped yesterday. 0xtools has 1,826 stars, 134 forks, 17 open issues and last shipped 12 months ago. jaeger leads on adoption by 1,180% (23,375 vs 1,826 stars). jaeger is written in Go under Apache-2.0; 0xtools is written in Python under GPL-2.0. jaeger has attracted 14% as many forks as stars, 0xtools 7%. jaeger was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (observability), 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
| jaeger | 0xtools | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 1.8K |
| License | Apache-2.0 | GPL-2.0 |
| Written in | Go | Python |
| Last push | 2026-11-04 | 2025-11-25 |
| Forks | ⑂ 3.2K | ⑂ 134 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick jaeger if
- You weight community size — 23K 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 0xtools if
- You want the 0xtools feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches Python
- You evaluated both and 0xtools fits your workflow better
About jaeger
[![Slack chat][slack img]]( get in touch) [![Unit Tests][ci img]][ci] [![Coverage Status][cov img]][cov] [![Project+Community stats][community badge]][community stats] [![FOSSA Status][fossa img]][fossa] [![OpenSSF Scorecard][openssf img]][openssf] [![OpenSSF Best Practices][openssf bp img]][openssf bp] [![CLOMonitor][clomonitor img]][clomonitor] [![Artifact Hub][artifacthub img]][artifacthub] Jaeger a Distributed Tracing System 💥💥💥 Jaeger v2 is out! Read the blog post and try it out. Quick Start Get Jaeger running in seconds with Docker: For production deployments and more options, see the Getting Started…
read the full jaeger overview →
About 0xtools
xCapture v3.0.3 By Tanel Poder 2025 10 23 This is the first ever release of 0x.tools xCapture tool that is built with modern eBPF ! My previous tools and prototypes were using either bcc , bpftrace or were just sampling and aggregating thread level info from /proc files. Announcing xCapture v3: Linux Performance Analysis with Modern eBPF and DuckDB xtop: Dimensional Performance Analysis of Sampled Thread Activity Requirements Modern eBPF means libbpf , CORE , BTF , BPF iterators , etc. I'll write about my learning journey with proper thank you notes soon. In practice this means you'll need to be on a Linux…
read the full 0xtools overview →
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Frequently asked questions
Is jaeger or 0xtools more popular?
jaeger has 23,375 GitHub stars and 0xtools has 1,826. jaeger has the larger community by that measure.
Are jaeger and 0xtools free?
Both are open source. jaeger is licensed under Apache-2.0 and 0xtools under GPL-2.0. Neither carries a licence fee.
What is the difference between jaeger and 0xtools?
jaeger is written in Go and 0xtools 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, jaeger or 0xtools?
Choose jaeger if you want the larger community (23,375 stars) or its Apache-2.0 licence terms. Choose 0xtools if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.