Twenty vs undb
| Tagline | Modern open-source CRM built as an alternative to Salesforce | Private-first, self-hosted no-code database and backend-as-a-service on SQLite |
| Category | CRM & Sales | Databases & Spreadsheets |
| Replaces | Salesforce, Pipedrive, Airtable | Airtable |
| GitHub stars | 57k | 3k |
| Language | TypeScript | TypeScript |
| License | AGPL-3.0 | AGPL-3.0 |
| Self-host difficulty | 3/5 Moderate | 2/5 Easy |
| Deploy options | Docker Docker Compose Manual | Docker Docker Compose Manual |
| Managed hosting | ||
| Last updated | yesterday | 1 year ago |
| View repo | View repo |
Where each falls short
The honest trade-offs — what you give up with each, versus the proprietary tools they replace.
Twenty
- Smaller ecosystem of integrations and marketplace apps versus Salesforce/AppExchange
- Workflow automation, reporting, and analytics are still maturing
- No mature mobile apps
- Younger product, so APIs and data model still evolve between releases
undb
- Far fewer features than Airtable; no automations marketplace or advanced views.
- Single-author project with a smaller community and less battle-testing.
- Real-time collaboration and permissions are basic.
- SQLite backend limits very large or high-concurrency workloads.
Bottom line
Choose undb if you want the lower-effort setup; choose Twenty for the larger community and ecosystem. Twenty has seen more recent development. Open each guide below for deploy steps and the full feature gap.
undb
Private-first, self-hosted no-code database and backend-as-a-service on SQLite