10 Best Bubble Alternatives & Competitors (2026)

Retool is a low-code platform for building internal tools with extensive component libraries and direct database connections. It excels in complex enterprise environments needing fine-grained control and custom code. Compared to Stacker, Retool offers more mature debugging tools and broader third-party integrations but requires more technical expertise, making it less AI-centric for rapid CRM prototyping.

Airtable combines spreadsheet simplicity with relational database power and interfaces for building lightweight CRMs and dashboards. It suits teams wanting quick data-centric tools. Relative to Stacker, Airtable delivers stronger collaboration and automation via native scripting but offers less emphasis on AI-driven app scaffolding.

Softr turns Airtable or other data sources into client portals and internal tools using templates. It targets non-developers needing fast CRM interfaces. Compared to Stacker, Softr provides simpler deployment for Airtable users but fewer built-in AI capabilities for advanced dashboard intelligence.

Appsmith is an open-source low-code tool for building admin panels and internal apps with JavaScript extensibility. It appeals to developers seeking self-hosted options. Against Stacker, Appsmith grants greater customization freedom and no licensing fees but requires more manual AI integration for CRM features.

Budibase enables rapid creation of internal tools and automations with data connectors and hosting flexibility. It balances ease of use and power for business apps. In comparison to Stacker, Budibase focuses on open-source extensibility rather than AI-native generation for dashboards and CRMs.

Tooljet offers an open-source alternative for building internal tools with pre-built widgets and query builders. It supports multiple data sources efficiently. Relative to Stacker, Tooljet provides cost-free deployment and community-driven features but less emphasis on AI assistance for CRM development.

Glide converts spreadsheets into mobile-friendly apps and dashboards suitable for simple internal CRMs. It prioritizes speed for non-technical users. Compared to Stacker, Glide excels in mobile experiences but offers narrower AI tooling and less depth for complex enterprise internal tools.

Noloco builds client and internal portals directly from Airtable or other data with role-based access. It targets service businesses needing quick CRM views. Versus Stacker, Noloco provides stronger client-facing focus and simpler pricing but fewer AI-native dashboard creation features.

Internal specializes in turning databases into secure internal tools and admin panels with granular permissions. It serves data-heavy teams. Against Stacker, Internal emphasizes enterprise security and SQL power over AI-driven app building for CRMs and dashboards.