Choosing observability tools is messy because the category covers several jobs at once: LLM and agent evaluation, distributed tracing, network monitoring, database monitoring, server monitoring, packet capture, status pages, and telemetry dashboards. This July 2026 ToolVitals dataset compares open/source-visible Observability Tools using the supplied health_score, shipping_score, openness_label, license_label, GitHub stars, ToolVitals score, and status fields.
The ranking includes only open/source-visible tools and sorts first by ToolVitals score, then by GitHub stars as a secondary popularity signal for ties. The top of the list is dominated by OSI-approved OSS projects, and the license labels are varied: Apache-2.0, GPL-3.0, AGPL-3.0, MIT, and GPL-2.0 all appear in the ranked set.
Rankings
| Rank | Tool | Openness | License | Health | Shipping | GitHub Stars | Score | Status |
|---|---|---|---|---|---|---|---|---|
| 1 | Future AGI | OSI-approved OSS | Apache-2.0 | 98 | 100 | 1275 | 99 | 🟢 Excellent |
| 2 | odigos | OSI-approved OSS | Apache-2.0 | 91 | 100 | 3666 | 95 | 🟢 Excellent |
| 3 | LibreNMS | OSI-approved OSS | GPL-3.0 | 91 | 95 | 4781 | 94 | 🟢 Excellent |
| 4 | Percona PMM | OSI-approved OSS | AGPL-3.0 | 92 | 89 | 1060 | 93 | 🟢 Excellent |
| 5 | Traceway | OSI-approved OSS | MIT | 88 | 98 | 907 | 93 | 🟢 Excellent |
| 6 | Komari | OSI-approved OSS | MIT | 95 | 87 | 5214 | 92 | 🟢 Excellent |
| 7 | Scanopy | OSI-approved OSS | AGPL-3.0 | 84 | 95 | 5111 | 92 | 🟢 Excellent |
| 8 | HOMER | OSI-approved OSS | AGPL-3.0 | 87 | 98 | 1978 | 91 | 🟢 Excellent |
| 9 | Measure.sh | OSI-approved OSS | Apache-2.0 | 83 | 95 | 1324 | 90 | 🟢 Excellent |
| 10 | Jaeger | OSI-approved OSS | Apache-2.0 | 86 | 83 | 22962 | 89 | 🟢 Excellent |
| 11 | Logwiz | OSI-approved OSS | Apache-2.0 | 81 | 93 | 50 | 89 | 🟢 Excellent |
| 12 | Drydock | OSI-approved OSS | AGPL-3.0 | 81 | 89 | 204 | 87 | 🟢 Excellent |
| 13 | Thanos | OSI-approved OSS | Apache-2.0 | 86 | 78 | 14133 | 86 | 🟢 Excellent |
| 14 | FUXA | OSI-approved OSS | MIT | 85 | 76 | 4685 | 86 | 🟢 Excellent |
| 15 | Kener | OSI-approved OSS | MIT | 80 | 76 | 5026 | 83 | 🟢 Excellent |
| 16 | Apache SkyWalking | OSI-approved OSS | Apache-2.0 | 84 | 63 | 24856 | 81 | 🟢 Excellent |
| 17 | WorldMonitor | OSI-approved OSS | AGPL-3.0 | 76 | 65 | 61184 | 79 | 🟢 Good |
| 18 | Nagvis | OSI-approved OSS | GPL-2.0 | 79 | 60 | 123 | 78 | 🟢 Good |
| 19 | Trickster | OSI-approved OSS | Apache-2.0 | 78 | 57 | 2080 | 76 | 🟢 Good |
| 20 | Butler-SOS | OSI-approved OSS | MIT | 70 | 70 | 29 | 76 | 🟢 Good |
| 21 | Token Telemetry | OSI-approved OSS | MIT | 68 | 66 | 192 | 72 | 🟢 Good |
| 22 | Kubeshark | OSI-approved OSS | Apache-2.0 | 72 | 36 | 11980 | 68 | 🟢 Good |
| 23 | Sessy | OSI-approved OSS | MIT | 68 | 54 | 890 | 68 | 🟢 Good |
| 24 | Beszel | OSI-approved OSS | MIT | 78 | 34 | 23270 | 67 | 🟢 Good |
| 25 | NetWatcher | OSI-approved OSS | AGPL-3.0 | 54 | 51 | 1 | 60 | 🟢 Good |
| 26 | Zipkin | OSI-approved OSS | Apache-2.0 | 51 | 23 | 17440 | 54 | 🟡 Fair |
| 27 | DodoPulse | OSI-approved OSS | MIT | 59 | 14 | 2 | 51 | 🟡 Fair |
| 28 | OpenClaw Telemetry | OSI-approved OSS | Apache-2.0 | 59 | 14 | 1 | 50 | 🟡 Fair |
| 29 | Beaver Iot | OSI-approved OSS | MIT | 30 | 4 | 70 | 36 | 🔴 Needs Attention |
| 30 | ctop | OSI-approved OSS | MIT | 33 | 0 | 17779 | 32 | 🔴 Needs Attention |
| 31 | Monitoror | OSI-approved OSS | MIT | 31 | 0 | 4380 | 31 | 🔴 Needs Attention |
| 32 | Sampler | OSI-approved OSS | GPL-3.0 | 30 | 0 | 14578 | 30 | 🔴 Needs Attention |
Top 3 Highlights
Future AGI ranks first with a ToolVitals score of 99, the strongest score in the dataset. It combines a 98 health score with a 100 shipping score, which is why it leads despite having fewer GitHub stars than several lower-ranked projects. Its openness_label is OSI-approved OSS and its license_label is Apache-2.0.
odigos ranks second with a ToolVitals score of 95 and the maximum shipping score of 100. Its description focuses on distributed tracing without code changes using OpenTelemetry and eBPF, which puts it squarely in infrastructure observability. It is OSI-approved OSS under Apache-2.0 and has 3,666 GitHub stars.
LibreNMS ranks third with a ToolVitals score of 94, a 91 health score, and a 95 shipping score. It stands out as a community-based network monitoring system rather than an application tracing or log platform. It is OSI-approved OSS under GPL-3.0 and has 4,781 GitHub stars.
Want to see the full health, shipping, openness, and evidence details for every tool in Observability? Browse all Observability Tools →