# Pydio Cells vs Unison

| Attribute | Pydio Cells | Unison |
|---|---|---|
| **vioscaleAI score** | 40.1 (75% (high)) | 37.9 (59% (medium)) |
| activity.commits_last_30d | - | 5 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 5,528 |
| content.faq | `[{"answer":"A self-hosted platform that enables organizations to manage document sharing, collaboration, and workflows with full data control, designed as an alternative to cloud solutions for enterprises with strict security and compliance requirements. It is indexed under File Sync.","source":"https://pydio.com","question":"What is Pydio Cells?","confidence":0.6},{"answer":"Pydio Cells is open source, so it can be self-hosted and used at no licence cost. Paid editions are also offered: Connect and Enterprise, priced on request. Pricing changes often, so verify at source before relying on it.","source":"https://pydio.com","question":"Is Pydio Cells free to use?","confidence":0.6},{"answer":"Pydio Cells supports the web, Linux, Android and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://pydio.com","question":"What platforms does Pydio Cells support?","confidence":0.6},{"answer":"Yes. Pydio Cells can be deployed hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://pydio.com","question":"Can Pydio Cells be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Pydio Cells. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Pydio Cells not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.pydio.com/en/blog/why-upgrade-reporting-audit-and-compliance-capabilities","question":"What security certifications does Pydio Cells have?","confidence":0.7}]` | `[{"answer":"Unison is an open-source utility that maintains two replicas of files and directories across separate hosts or storage devices, automatically propagating non-conflicting changes while detecting conflicting updates. It works over internet connections including slow links, and allows offline access to already-synchronized data. It is indexed under File Sync.","source":"https://github.com/pricing","question":"What is Unison?","confidence":0.6},{"answer":"Unison offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is Unison free?","confidence":0.6},{"answer":"Unison supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does Unison support?","confidence":0.6},{"answer":"Yes. Unison can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can Unison be self-hosted?","confidence":0.6},{"answer":"Yes. Unison is published under the GPL-3.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/bcpierce00/unison","question":"Is Unison open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A self-hosted platform that enables organizations to manage document sharing, collaboration, and workflows with full data control, designed as an alternative to cloud solutions for enterprises with strict security and compliance requirements. | Unison maintains multiple copies of files and directories on different hosts or disks, automatically propagating non-conflicting changes between replicas. It detects conflicting updates, works offline after synchronization, and runs as a user-level program without requiring kernel modifications or elevated privileges. |
| features.capabilities | `{"pricing_model":"free_open_source","deployment_model":"self_hosted","active_directory_ldap_identity_sync":true,"self_hosted_linux_docker_deployment":true,"client_server_architecture_cloud_host":true}` | `{"pricing_model":"free_open_source","deployment_model":"self_hosted","peer_to_peer_p2p_network_routing":true,"self_hosted_linux_docker_deployment":true,"block_level_delta_sync_transfer_speed":true,"client_server_architecture_cloud_host":false,"version_history_and_conflict_resolution":true}` |
| integrations.count | 1 | - |
| integrations.list | `[{"name":"LDAP / Active Directory","native":true,"category":"identity"}]` | - |
| language.primary | - | OCaml |
| license.spdx | - | GPL-3.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true,"android":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","plans":[{"free":true,"name":"Home","contactSales":false},{"free":false,"name":"Connect"},{"free":false,"name":"Enterprise","description":"Advanced enterprise support, directories, auditing, reporting dashboards, and custom workflows","contactSales":true}],"freeTier":true,"sourceUrl":"https://pydio.com","retrievedAt":"2026-09-05T16:08:07.569Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-10-14T11:28:28.015Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.transparent | no | yes |
| release.cadence_days | - | 132 |
| release.history | - | `[{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.54.0","date":"2026-05-01T00:33:56Z","type":"stable","version":"v2.54.0"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.53.8","date":"2025-11-05T00:07:47Z","type":"stable","version":"v2.53.8"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.53.7","date":"2024-11-05T13:41:24Z","type":"stable","version":"v2.53.7"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.53.6","date":"2024-11-05T00:44:16Z","type":"stable","version":"v2.53.6"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.53.5","date":"2024-05-07T01:32:03Z","type":"stable","version":"v2.53.5"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.53.4","date":"2024-02-19T17:52:38Z","type":"stable","version":"v2.53.4"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.53.3","date":"2023-04-28T00:28:36Z","type":"stable","version":"v2.53.3"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.53.2","date":"2023-03-20T17:39:53Z","type":"stable","version":"v2.53.2"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.53.1","date":"2023-03-19T12:42:03Z","type":"stable","version":"v2.53.1"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.53.0","date":"2022-11-07T11:34:26Z","type":"stable","version":"v2.53.0"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.52.1","date":"2022-05-08T12:26:58Z","type":"stable","version":"v2.52.1"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.52.0","date":"2022-03-12T19:12:50Z","type":"stable","version":"v2.52.0"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.51.5","date":"2021-12-18T15:51:34Z","type":"stable","version":"v2.51.5"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.51.4","date":"2021-06-24T14:50:25Z","type":"stable","version":"v2.51.4"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.51.3","date":"2020-10-21T13:15:46Z","type":"stable","version":"v2.51.3"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.51.2","date":"2018-01-27T21:19:26Z","type":"stable","version":"v2.51.2"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.48.15v4","date":"2017-12-18T12:25:51Z","type":"stable","version":"v2.48.15v4"},{"url":"https://github.com/bcpierce00/unison/releases/tag/v2.51.0","date":"2017-11-24T21:50:05Z","type":"stable","version":"v2.51.0"},{"url":"https://github.com/bcpierce00/unison/releases/tag/2.48.4","date":"2016-09-29T12:39:45Z","type":"stable","version":"2.48.4"},{"url":"https://github.com/bcpierce00/unison/releases/tag/2.48.3","date":"2016-09-29T12:37:20Z","type":"stable","version":"2.48.3"}]` |
| security.gdpr | yes | - |
| security.scorecard | - | 4.7 |
| security.trust_center | https://www.pydio.com/en/blog/pydio-cells-v3-improved-speed-security-searchability-compliance | https://github.com/security |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=openbsd&package_name=net%2Funison%2C-gui&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (File Sync)

| Capability | Pydio Cells | Unison |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | Self hosted | Self hosted |
| Peer to peer p2p network routing | - | ✓ |
| Client server architecture cloud host | ✓ | ✗ |
| Block level delta sync transfer speed | - | ✓ |
| Self hosted linux docker deployment | ✓ | ✓ |
| Synology qnap nas hardware integration | - | - |
| Aws s3 azure blob external mounts | - | - |
| Active directory ldap identity sync | ✓ | - |
| Version history and conflict resolution | - | ✓ |
| End to end encryption keys in transit | - | - |
| SOC2 type ii | - | - |
| ISO 27001 | - | - |
| Pricing model | Free open source | Free open source |

*Source: vioscaleAI. Generated 2026-10-16T19:06:13.604Z. "-" = undocumented, not absent.*