Alternatives

Best Windmill alternatives in 2026

Data compiled by Toolradar Updated November 1, 2026 How we rate

Cite this list: Toolradar, best Windmill alternatives 2026, toolradar.com/alternatives/windmill

6 direct alternatives to Windmill, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.

Quick answer

Retool is the top alternative to Windmill on our list, followed by Appsmith and Budibase.
6 of the 6 alternatives have a free plan, starting with Retool.
Highest rated: Retool, 4.6 out of 5 from 394 ratings, Sep 2026.

Publications that cover the tools tracked here

6 alternatives
6 with a free plan

Retool
#1 Top pick
Build internal tools, apps, and AI with drag-and-drop
Starting price
From $10 /mo
Cheapest paid plan, monthly, as of November 2026
4.6 /5 across G2 and Capterra · 394 ratings, Sep 2026
Our take
Best overall
Read the review
Appsmith
#2
Open-source platform for building internal tools
Starting price
From $15 /mo
Cheapest paid plan, monthly, as of November 2026
4.6 /5 on G2 · 67 ratings, Sep 2026
Read the review
Budibase
#3
Open-source low-code platform for internal tools
Starting price
From $10 /mo
Cheapest paid plan, monthly, as of November 2026
4.5 /5 on G2 · 67 ratings, Sep 2026
Read the review

Windmill vs 6 alternatives

Windmill and its alternatives compared on starting price (cheapest paid plan, monthly, as of November 2026), free plan and average user rating.
Tool	Starting price (Nov 2026)	Free plan	Rating
Windmill Compared tool	Price: Free + paid	Free plan: Yes	n/a
Retool	Price: $10/mo	Free plan: Yes	4.6 out of 5, from 394 ratings across G2 and Capterra (394)
Appsmith	Price: $15/mo	Free plan: Yes	4.6 out of 5, from 67 ratings on G2 (67)
Budibase	Price: $10/mo	Free plan: Yes	4.5 out of 5, from 67 ratings on G2 (67)
Tooljet	Price: $19/mo	Free plan: Yes	4.6 out of 5, from 53 ratings on G2 (53)
Internal.io	Price: $25/mo	Free plan: Yes	4.5 out of 5, from 12 ratings on G2 (12)
Airplane	Price: Free + paid	Free plan: Yes	n/a

Why people consider alternatives to Windmill

Windmill turns scripts into workflows and UIs. Python and TypeScript scripts become apps-rapid internal tool development. The script-to-app transformation is fast. The workflow building is visual.

Teams most often switch away when one of these starts to bite:

Pricing at scale as usage or premium tiers add up.
Missing integrations with the rest of your stack.
Performance or scale limits as your needs grow.
A specific feature gap you have hit in internal tools.

The 6 alternatives below cover the same core job (internal tools) with different trade-offs.

See full Windmill review Best internal tools tools How we rank

Windmill by the numbers

Windmill compared with 72 Internal Tools tools on Toolradar, as of Nov 2026
Metric	Windmill	Peer median	Position (1 is best)
Free plan	Yes	64% have one	n/a
Listed as an alternative to	4 tools	2	#20 of 72 (joint)
Compare-page visits, last 30 days	23 visits	41	#14 of 17 tools with 20+ compare-page visits

Listed as an alternative to: #20 on 2026-10-16 to #20 on 2026-11-02 (rank among 72 tools, 1 is best).

Each position is counted among the tools that have data for that row, as noted under it. All Internal Tools data · How we compute this. Advertising and placement fees are not inputs to any position. Visit counts include visits from every source.

Cite this: Toolradar, “Windmill by the numbers”, Nov 2026.

Internal Tools leaderboards from Toolradar data

Toolradar ranks Internal Tools tools on one measure at a time, only where at least 8 tools have data. As of Nov 2026.

CSV

Lowest entry price, plans with no stated unit

Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.

Counted among 14 tools with no stated price unit, verified price.

Lowest entry price, plans with no stated unit, Internal Tools tools on Toolradar, as of Nov 2026
#	Tool	Entry plan
1	Gravity Flow	$8.25/mo, billed yearly
2	Budibase	$10/mo
3	Pory	$18/mo, billed monthly
4	Softr	$19/mo, billed yearly
4	Tooljet	$19/mo

Lowest entry price, per-user plans

Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.

Counted among 9 tools priced per user, verified price.

Lowest entry price, per-user plans, Internal Tools tools on Toolradar, as of Nov 2026
#	Tool	Entry plan
1	Officely	$2.50/user/mo, billed monthly
2	NocoDB	$8/user/mo, billed monthly
3	DronaHQ	$10/user/mo, billed monthly
4	Ninox	$11/user/mo, billed monthly
5	Fibery MCP	$12/user/mo, billed yearly

A position exists only when at least 8 tools have data for that metric. 23 of 72 Internal Tools tools have a verified price; the others publish none we could read (often "contact sales"). Advertising and placement fees are not inputs to any position. Visit counts include visits from every source. How we compute this. Cite this: Toolradar, “Internal Tools leaderboards”, Nov 2026. Data licensed CC BY 4.0. All Internal Tools statistics.

6 alternatives to Windmill

Ranked by G2 and Capterra ratings, media mentions, and editor review, plus how directly they replace Windmill.

Frequently asked questions

What is the best alternative to Windmill?

Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Windmill are Retool, Appsmith, Budibase. Each solves the same core job with different trade-offs on pricing, features, and integrations.

Is there a free alternative to Windmill?

There is no fully free alternative in this list. Retool is freemium: a permanent free tier plus paid plans (Build internal tools, apps, and AI with drag-and-drop).

Why do people look for Windmill alternatives?

Common reasons teams switch away from Windmill: pricing that scales aggressively, missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in internal tools. The alternatives on this page solve the same core problem with different trade-offs.

Side-by-side comparisons

In-depth comparison pages for Windmill versus each alternative.

Windmill vs Retool Windmill vs Appsmith Windmill vs Budibase Windmill vs Tooljet Windmill vs Internal.io Windmill vs Airplane

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