Best internal tool builders
Low-code builders and frameworks for admin panels, dashboards and internal business apps, from Retool-style platforms to open-source and enterprise low-code suites.
26 apps, ordered by visits from AppBreakup and how often our research lists each one as an alternative. Open any app to see its alternatives.
All internal tool builders
- Alternatives to Retool
The leading low-code platform for building internal apps, dashboards and workflows on your own data.
Free plan + paidSelf-hostableWeb, iOS, Android, Self-hosted - Alternatives to Appsmith
Open-source low-code platform for building admin panels, dashboards and internal apps.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Microsoft Power Apps
Microsoft's low-code app builder for Microsoft 365, Dataverse and hundreds of connectors.
PaidWeb, Windows, iOS, Android - Alternatives to Budibase
Open-source platform for internal apps, automations and AI agents, with built-in data tables.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Zoho Creator
Zoho's low-code platform for custom business apps with workflows and native mobile apps.
Free plan + paidWeb, iOS, Android - Alternatives to ToolJet
Open-source internal tool builder with AI app generation, workflows and a built-in database.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to OutSystems
Enterprise low-code and AI development platform for building and running large application portfolios.
PaidWeb, iOS, Android - Alternatives to Refine
Open-source React framework for building admin panels, dashboards and internal B2B apps in code.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to React-admin
Open-source React framework from Marmelab for building admin and B2B apps on any API.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to UI Bakery
Internal tool builder with AI app generation, a hosted Postgres database and self-hosting.
Free plan + paidSelf-hostableWeb, Self-hosted - Alternatives to Mendix
Siemens-owned enterprise low-code platform for web, mobile and AI-enabled business apps.
Free plan + paidWeb, iOS, Android - Alternatives to Superblocks
Enterprise platform for generating and governing AI-built internal apps, with VPC deployment.
PaidWeb - Alternatives to AdminJS
Open-source auto-generated admin panel for Node.js applications.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Windmill
Open-source developer platform that turns scripts into workflows, webhooks and internal UIs.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to NocoBase
Open-source, plugin-based AI and no-code platform for building business systems on your own server.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Forest Admin
Back-office platform for operations teams, especially fintechs, that runs on top of your own data.
Free plan + paidSelf-hostableWeb, Self-hosted - Alternatives to Lowcoder
Open-source, self-hostable low-code app builder that grew out of the Openblocks project.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Jet Admin
No-code builder for business apps, portals and admin panels on top of your existing data.
Free plan + paidSelf-hostableWeb, Self-hosted - Alternatives to Oracle APEX
Oracle's low-code platform for building data-centric web apps directly on Oracle Database.
FreeSelf-hostableWeb, Self-hosted - Alternatives to Filament
Open-source Laravel framework for building admin panels and internal apps with Livewire.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Saltcorn
Free, MIT-licensed, self-hosted no-code builder for database web apps.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Reflex
Open-source framework for building full-stack web apps and internal tools entirely in Python.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Streamlit
Open-source Python framework for turning data scripts into shareable web apps and dashboards.
Open sourceSelf-hostableWeb, Self-hosted - Alternatives to Noloco
No-code builder for client portals and internal apps on Airtable, Sheets, SQL or its own tables.
Free plan + paidWeb - Alternatives to DronaHQ
Low-code platform for internal tools and AI agents with unlimited users and task-based pricing.
PaidSelf-hostableWeb, Self-hosted - Alternatives to Appian
Enterprise low-code platform for process automation and business applications.
PaidWeb, iOS, Android
Our picks by need
Best for most people
RetoolBest for a free option
AppsmithBest for open source
BudibaseBest for self-hosting
ToolJetBest for Windows
Microsoft Power AppsBest for iPhone and Android
Zoho CreatorPopular comparisons
Common questions
What are the best internal tool builders?
Based on how often our research lists them as alternatives and visits from AppBreakup, the leading internal tool builders right now are Retool, Appsmith, Microsoft Power Apps, Budibase and Zoho Creator.
Are there free internal tool builders?
Yes. Retool (free plan + paid), Appsmith (open source), Budibase (open source), Zoho Creator (free plan + paid) and ToolJet (open source) have a free option, out of 21 free or freemium apps we track.
Which internal tool builders are open source?
Appsmith, Budibase, ToolJet, Refine, React-admin and AdminJS, and 7 more.