Self-hosted
Fair 4.3 Easy 3.7 Secure 4.0
| Pillar | Criterion | Score | Evidence |
|---|---|---|---|
| Easy | Day-one UX Can non-technical staff use it without a project? | 4 | Feels familiar to Slack users. Source |
| Easy | Operate Admin burden, updates, backups and language coverage. | 3 | You run the server and backups. Source |
| Easy | Integrate SSO, mail/CalDAV, APIs and common NGO connectors. | 4 | SSO, webhooks and a plugin ecosystem. Source |
| Fair | Lock-in / exit Can you leave with your data in open formats, at known cost? | 4 | Standard export and a documented migration path. Source |
| Fair | Sovereignty EU legal entity, EU hosting, and exposure to extra-EU lawful access? | 5 | Self-host in the EU. Source |
| Fair | Openness Open source or open standards? Are independent implementations possible? | 4 | Open core: Team edition is open, Enterprise is not. Source |
| Secure | IT security Authentication, encryption, patch cadence and independent audit. | 4 | Depends on your hardening and edition. Source |
| Secure | User security 2FA, roles, phishing resistance and safe defaults. | 4 | 2FA and roles available. Source |
| Secure | Personal data GDPR fit: DPA, residency, sub-processors and Schrems II posture. | 4 | No US SaaS if you host and avoid US plugins. Source |