Open-source alternatives to Dropbox
4 alternatives, ranked by a published maintenance score computed from live GitHub signals (fetched 2026-09-04). We flag unmaintained projects on both sides — including Dropbox itself when the data says so.
About Dropbox: Proprietary SaaS; 3-device limit on the free plan. It is closed-source, so the same public maintenance signals do not exist for it — we score only the alternatives below.
The alternatives
Nextcloud
Self-hosted files, sync and a whole app ecosystem.
How this 90/100 was computed
| Last commit | today | 40/40 |
|---|---|---|
| Latest release | yesterday | 25/25 |
| Community size | GitHub stars | 15/15 |
| Open-issue trend | not enough history yet — needs snapshots 21+ days apart; neutral 10/20 awarded meanwhile | 10/20 |
| Total | 90/100 |
Syncthing
Continuous peer-to-peer folder sync; no server or account at all.
How this 90/100 was computed
| Last commit | 10 days ago | 40/40 |
|---|---|---|
| Latest release | 11 days ago | 25/25 |
| Community size | GitHub stars | 15/15 |
| Open-issue trend | not enough history yet — needs snapshots 21+ days apart; neutral 10/20 awarded meanwhile | 10/20 |
| Total | 90/100 |
Seafile
File sync and share focused on speed and reliability.
How this 87/100 was computed
| Last commit | 7 days ago | 40/40 |
|---|---|---|
| Latest release | 28 days ago | 25/25 |
| Community size | GitHub stars | 12/15 |
| Open-issue trend | not enough history yet — needs snapshots 21+ days apart; neutral 10/20 awarded meanwhile | 10/20 |
| Total | 87/100 |
ownCloud Infinite Scale
ownCloud rebuilt in Go; the successor to the classic PHP server.
How this 84/100 was computed
| Last commit | today | 40/40 |
|---|---|---|
| Latest release | 14 days ago | 25/25 |
| Community size | GitHub stars | 9/15 |
| Open-issue trend | not enough history yet — needs snapshots 21+ days apart; neutral 10/20 awarded meanwhile | 10/20 |
| Total | 84/100 |