head to head · open source
cubefs vs arc
cubefs has 5,660 GitHub stars, 714 forks, 265 open issues and last shipped 3 days ago. arc has 676 stars, 53 forks, 57 open issues and last shipped yesterday. cubefs leads on adoption by 737% (5,660 vs 676 stars). cubefs is written in Go under Apache-2.0; arc is written in Go under AGPL-3.0. cubefs has attracted 13% as many forks as stars, arc 8%. arc was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| cubefs | arc | |
|---|---|---|
| GitHub stars | ★ 5.7K | ★ 676 |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | Go |
| Last push | 2026-09-18 | 2026-09-20 |
| Forks | ⑂ 714 | ⑂ 53 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cubefs if
- You weight community size — 5.7K 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 arc if
- You want the arc feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and arc fits your workflow better
About cubefs
CubeFS is an Apache 2.0, CNCF graduated cloud native distributed file and object storage system written in Go, built for teams that need POSIX, HDFS, S3, and REST access to a single storage layer across datacenters, private and hybrid clouds, and Kubernetes.
read the full cubefs overview →
About arc
Arc is an open, SQL native time series database, released under AGPL 3.0, for engineers and platform teams who need to keep full resolution telemetry from machines, services, vehicles, and devices and still query recent and historical data together in one system.
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Frequently asked questions
Is cubefs or arc more popular?
cubefs has 5,660 GitHub stars and arc has 676. cubefs has the larger community by that measure.
Are cubefs and arc free?
Both are open source. cubefs is licensed under Apache-2.0 and arc under AGPL-3.0. Neither carries a licence fee.
What is the difference between cubefs and arc?
cubefs is written in Go and arc 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, cubefs or arc?
Choose cubefs if you want the larger community (5,660 stars) or its Apache-2.0 licence terms. Choose arc if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.