Self-hosted OutSystems alternatives 2026
3 alternatives reviewed and compared
OutSystems alternatives you can run on your own infrastructure — full control over data, hosting, and uptime.
Looking for alternatives to:
OutSystems
Enterprise low-code platform for building web and mobile applications with full lifecycle management and DevOps.
Top alternatives compared
| Software | Rating | Starting price | Best for | Actions |
|---|---|---|---|---|
 Retool Low-code platform for building internal business tools with drag-and-drop components and direct database connections. | 8.5 | Free | Engineering teams building internal admin panels and dashboards | |
 Mendix Enterprise low-code platform backed by Siemens for building multi-experience applications with model-driven development. | 8.2 | Free | Manufacturing and industrial companies leveraging Siemens IoT | |
 Betty Blocks Enterprise no-code platform with visual development environment, citizen developer governance, and SOC 2 compliance for regulated industries. | Contact sales | Large enterprises (500+ employees) wanting to empower citizen developers with proper IT governance |
Detailed reviews
Retool
Low-code platform for building internal business tools with drag-and-drop components and direct database connections.
Best for:
Why pick Retool over OutSystems?
Retool has a genuinely usable free tier and is strong at Engineering teams building internal admin panels and dashboards.
Mendix
Enterprise low-code platform backed by Siemens for building multi-experience applications with model-driven development.
Best for:
Why pick Mendix over OutSystems?
Mendix has a genuinely usable free tier and is strong at Manufacturing and industrial companies leveraging Siemens IoT.
Betty Blocks
Enterprise no-code platform with visual development environment, citizen developer governance, and SOC 2 compliance for regulated industries.
Best for:
Why pick Betty Blocks over OutSystems?
Betty Blocks is priced competitively and is strong at Large enterprises (500+ employees) wanting to empower citizen developers with proper IT governance.
Still deciding?
Put your shortlist side by side and see how the numbers and features really stack up.