head to head · open source
NetData vs openGemini
NetData has 80,564 GitHub stars, 6,630 forks, 393 open issues and last shipped yesterday. openGemini has 1,175 stars, 175 forks, 117 open issues and last shipped 10 days ago. NetData leads on adoption by 6,757% (80,564 vs 1,175 stars). NetData is written in Go under GPL-3.0; openGemini is written in Go under Apache-2.0. NetData has attracted 8% as many forks as stars, openGemini 15%. NetData was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| NetData | openGemini | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 1.2K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-18 | 2026-09-09 |
| Forks | ⑂ 6.6K | ⑂ 175 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick NetData if
- You weight community size — 81K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick openGemini if
- You want the openGemini feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and openGemini fits your workflow better
About NetData
Netdata is an open source, real time infrastructure monitoring platform written in Go and released under GPL 3.0, built for operators and lean teams who need per second visibility across Linux, macOS, FreeBSD, and Windows systems.
read the full NetData overview →
About openGemini
openGemini is a cloud native distributed time series database written in Go and licensed under Apache 2.0, hosted as a CNCF sandbox project and built to store and analyse massive volumes of telemetry data for IoT, observability and DevOps workloads.
read the full openGemini overview →
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Frequently asked questions
Is NetData or openGemini more popular?
NetData has 80,564 GitHub stars and openGemini has 1,175. NetData has the larger community by that measure.
Are NetData and openGemini free?
Both are open source. NetData is licensed under GPL-3.0 and openGemini under Apache-2.0. Neither carries a licence fee.
What is the difference between NetData and openGemini?
NetData is written in Go and openGemini in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, NetData or openGemini?
Choose NetData if you want the larger community (80,564 stars) or its GPL-3.0 licence terms. Choose openGemini if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.