Google Drive / Docs 代替ツール比較
8サービスを4軸で評価。総合点の高い順に並べています。詳細は各ツールページへ。
| ツール | プライバシー | 使いやすさ | 機能の豊富さ | コスパ | 総合 |
|---|---|---|---|---|---|
| Nextcloud | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | 16/20 |
| Proton Drive | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | 14/20 |
| CryptPad | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | 16/20 |
| Tresorit | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | 14/20 |
| Sync.com | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | 16/20 |
| pCloud | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | 17/20 |
| OnlyOffice | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | 16/20 |
| Collabora Online | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★★ | 15/20 |
詳細比較マトリクス
| 項目 | Nextcloud | Proton Drive | CryptPad | Tresorit | Sync.com | pCloud | OnlyOffice | Collabora Online |
|---|---|---|---|---|---|---|---|---|
| 料金 | Self-hosted | Free + paid | Free + paid | Paid | Free + paid | Free + paid | Free + paid | Free + paid |
| 難易度 | Advanced | Easy | Easy | Easy | Easy | Easy | Moderate | Moderate |
| OSS | ✓ | — | ✓ | — | — | — | ✓ | ✓ |
| データ保存 | Your choice—home NAS, domestic VPS, on-prem, etc. | Switzerland and Germany (Proton DCs; zero-access encryption). | France (cryptpad.fr) or your self-hosted server. | Switzerland, Ireland, Netherlands, etc. (EU/EEA; zero-knowledge). | Canada (Toronto, etc.; zero-knowledge encryption). | Switzerland (company) plus US/EU DCs (user choice). Crypto vault is zero-knowledge. | Self-hosted location or ONLYOFFICE Cloud (EU/US choice). | Typically same server as Nextcloud (self-hosted). |
| Privacy | 5/5 | 5/5 | 5/5 | 5/5 | 5/5 | 4/5 | 4/5 | 4/5 |
| Ease of use | 2/5 | 4/5 | 4/5 | 4/5 | 4/5 | 4/5 | 3/5 | 3/5 |
| Features | 5/5 | 2/5 | 3/5 | 3/5 | 3/5 | 4/5 | 5/5 | 4/5 |
| Value | 4/5 | 3/5 | 4/5 | 2/5 | 4/5 | 5/5 | 4/5 | 4/5 |
総合ランキング
- 1 pCloud
Feature-rich cloud with optional lifetime plans
17 /20 - 2 Nextcloud
The open-source hub for data sovereignty
16 /20 - 3 CryptPad
E2EE collaboration—even without an account
16 /20 - 4 Sync.com
Balanced E2EE storage from Canada
16 /20 - 5 OnlyOffice
Self-hostable MS-compatible office suite
16 /20 - 6 Collabora Online
LibreOffice-powered browser co-editing
15 /20 - 7 Proton Drive
E2EE drive in the Proton ecosystem
14 /20 - 8 Tresorit
Compliance-ready E2EE cloud storage
14 /20