The best Internal tools & admin panels
Every option ranked — open-source, self-hostable, and commercial — by our transparent Sovereignty Score, with honest trade-offs so you choose what fits you, not us.
Drag-and-drop builders for the dashboards and admin screens nobody wants to hand-code. Billed per developer, which punishes exactly the teams getting value.
L5Applications — layer 5 of the AI stack- 1
Appsmith
Top pickOpen sourceThe closest open equivalent — drag, drop, connect, self-host.
Free and open source to self-host. Paid cloud and enterprise tiers. · in our Retool comparison →
What is Appsmith? →90sovereignty - 2
Refine
Open sourceNot a builder — a React framework, when you would rather own the code.
Free and open source. It is a library — you host the app like any other. · in our Retool comparison →
What is Refine? →96sovereignty - 3
ToolJet
Open sourceLighter than Appsmith, AGPL, and quick to stand up.
Free and open source to self-host. Paid cloud and enterprise editions. · in our Retool comparison →
What is ToolJet? →89sovereignty - 4
Windmill
Open sourceFor teams whose internal tools are mostly scripts and workflows.
Free and open source to self-host. Paid cloud and enterprise editions. · in our Retool comparison →
What is Windmill? →88sovereignty - 5
Budibase
Open sourceBrings its own database, so a tool can exist before the data does.
Free and open source to self-host. Paid cloud and enterprise plans. · in our Retool comparison →
What is Budibase? →87sovereignty
Is it free?
The free tier, its real limits and where you start paying — read from each vendor's own pricing page and dated.
Run these yourself
What each one actually needs — real RAM, honest running cost, and the setup time nobody quotes.
- Self-hosting Appsmith 8 GB with 2 vCPU. That is Appsmith's own baseline for standard deployments, which it describes as an entry point for pilots and low traffic rather than a production guarantee
- Self-hosting Budibase 6 GB with 2 cores, the vendor's figure. The current compose file also runs a LiteLLM proxy with its own PostgreSQL, which comes out of the same budget
Replacing a specific tool?
Head-to-head comparisons for each popular internal tools & admin panels product.
Straight head-to-heads
Two internal tools & admin panels tools, side by side — verified facts and a plain verdict.