head to head · open source
seaweedfs vs arc
seaweedfs has 35,871 GitHub stars, 3,099 forks, 772 open issues and last shipped yesterday. arc has 689 stars, 57 forks, 57 open issues and last shipped yesterday. seaweedfs leads on adoption by 5,106% (35,871 vs 689 stars). seaweedfs is written in Go under Apache-2.0; arc is written in Go under AGPL-3.0. seaweedfs has attracted 9% 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.
← all 20902 open source comparisons
Side by side
| seaweedfs | arc | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 689 |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 57 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick seaweedfs if
- You weight community size — 36K 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 seaweedfs
SeaweedFS SeaweedFS is a simple and highly scalable distributed file system. There are two objectives: 1. to store billions of files! 2. to serve the files fast! One weed binary serves an S3 object store, a POSIX file system, and a lakehouse with S3 Tables, all over the same data. Each blob is one disk read away, capacity grows by starting another volume server, and cloud storage can be cached or tiered transparently. Both read and write operations have O(1) complexity and can run at the full speed supported by the underlying hardware. Download Binaries for different platforms Wiki Documentation Community…
read the full seaweedfs overview →
About arc
Arc Open, SQL native time series database for telemetry you need to keep. Arc ingests 34M+ records/sec, stores data as standard Parquet on infrastructure you own, and lets you query recent and historical data together. InfluxDB Line Protocol and Telegraf compatible. Single binary. AGPL 3.0. Prefer a UI? Arc Launchpad is a self hosted web console for the Arc instances you run — SQL console, schema explorer, logs, monitoring, and management for tokens, retention, alerts, continuous queries, and MQTT ingestion. Deploy it alongside Arc with Docker Compose. Docs. Prefer a terminal? arcli is the Arc command line —…
More in Data & Analytics
Related comparisons
More Data Warehousing & Processing projects
Compare either of these against the rest of the Data Warehousing & Processing field.
Frequently asked questions
Is seaweedfs or arc more popular?
seaweedfs has 35,871 GitHub stars and arc has 689. seaweedfs has the larger community by that measure.
Are seaweedfs and arc free?
Both are open source. seaweedfs is licensed under Apache-2.0 and arc under AGPL-3.0. Neither carries a licence fee.
What is the difference between seaweedfs and arc?
seaweedfs 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, seaweedfs or arc?
Choose seaweedfs if you want the larger community (35,871 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.