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Streamlit alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Streamlit: rerun model makes complex apps awkward, and limited layout control. We ranked 5 alternatives by how directly each one replaces Streamlit, then by reviews, real visits and how recently each app's facts were checked against its own website. Reflex currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Reflex logoReflexOpen sourceYesWeb, Self-hosted4 of 466.5
2Retool logoRetoolFree plan + paidNoWeb, iOS, Android +14 of 462.6
3Windmill logoWindmillOpen sourceYesWeb, Self-hosted4 of 459.6
4Appsmith logoAppsmithOpen sourceYesWeb, Self-hosted4 of 457.2
5ToolJet logoToolJetOpen sourceYesWeb, Self-hosted4 of 455.3
  1. Reflex logo

    1. ReflexTop pick

    Best for: Python developers who want full web apps and internal tools without writing JavaScript

    Open sourceSelf-hostableWeb, Self-hosted

    66.5

    score / 100

    Why switch from Streamlit

    Pure-Python web framework with more control over layout and state for full apps.

    Pros

    • Full-stack apps in Python only
    • Explicit state model scales to larger apps
    • Apache-licensed and self-hostable

    Cons

    • Smaller ecosystem than Streamlit or React
    • Requires programming skills
    • Cloud features cost extra
    Visit Reflex Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Reflex a good Streamlit alternative?

    Verified facts

    4 of 4 verified
    License
    Apache-2.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Free plan
    1 published app on Reflex Cloud
    Checked Oct 25, 2026reflex.dev(opens source in a new tab)
    Pro plan
    From $25/month
    Checked Oct 25, 2026reflex.dev(opens source in a new tab)
    Language
    Pure Python
    Checked Oct 25, 2026github.com(opens source in a new tab)
  2. Retool logo

    2. Retool

    Best for: Engineering-led teams building many internal tools on top of production databases and APIs

    Free plan + paidSelf-hostableWeb, iOS, Android, Self-hosted

    62.6

    score / 100

    Why switch from Streamlit

    Low-code builder better suited to CRUD admin panels and team workflows.

    Pros

    • Connects to almost any database or API
    • Large component library with SQL and JavaScript everywhere
    • Cloud, self-hosted and air-gapped deployment options

    Cons

    • Per-user pricing gets expensive as usage spreads
    • Needs developers comfortable with SQL and JavaScript
    • Closed source, so you depend on Retool's roadmap
    Visit Retool Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Retool a good Streamlit alternative?

    Verified facts

    4 of 4 verified
    Free plan
    $0 per builder
    Checked Oct 25, 2026retool.com(opens source in a new tab)
    Builder pricing
    $10 (Team) / $50 (Business) per builder/month
    Checked Oct 25, 2026retool.com(opens source in a new tab)
    Internal user pricing
    $5 (Team) / $15 (Business) per user/month
    Checked Oct 25, 2026retool.com(opens source in a new tab)
    Self-hosting
    Self-hosted or air-gapped
    Checked Oct 25, 2026retool.com(opens source in a new tab)
  3. Windmill logo

    3. Windmill

    Best for: Engineering teams that want scripts, workflows and internal UIs in one self-hosted platform

    Open sourceSelf-hostableWeb, Self-hosted

    59.6

    score / 100

    Why switch from Streamlit

    Turns Python scripts into workflows and UIs with scheduling and permissions.

    Pros

    • Scripts, workflows and apps in one place
    • Supports many languages including Python and TypeScript
    • Free self-hosted edition with unlimited executions

    Cons

    • Built for developers, not business users
    • App builder is less polished than Retool's
    • Enterprise features need a paid licence
    Visit Windmill Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Windmill a good Streamlit alternative?

    Verified facts

    4 of 4 verified
    Community edition
    Free, unlimited executions
    Checked Oct 25, 2026windmill.dev(opens source in a new tab)
    Script languages
    Python, TypeScript, Go, PHP, Bash, SQL
    Checked Oct 25, 2026windmill.dev(opens source in a new tab)
    Free guests
    100 per 30 days
    Checked Oct 25, 2026windmill.dev(opens source in a new tab)
    Self-hosting
    Yes
    Checked Oct 25, 2026windmill.dev(opens source in a new tab)
  4. Appsmith logo

    4. Appsmith

    Best for: Developer teams that want a Retool-style builder they can self-host for free

    Open sourceSelf-hostableWeb, Self-hosted

    57.2

    score / 100

    Why switch from Streamlit

    Visual builder for operational tools rather than data-science apps.

    Pros

    • Apache-licensed and free to self-host
    • Git-based version control for apps
    • Connects to common databases and any REST or GraphQL API

    Cons

    • Fewer and less polished components than Retool
    • SSO and audit features need paid plans
    • Large apps can feel sluggish
    Visit Appsmith Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Appsmith a good Streamlit alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Up to 5 users on cloud
    Checked Oct 25, 2026appsmith.com(opens source in a new tab)
    Business plan
    $15 per user/month
    Checked Oct 25, 2026appsmith.com(opens source in a new tab)
    License
    Apache-2.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Community edition
    Free, open source
    Checked Oct 25, 2026appsmith.com(opens source in a new tab)
  5. ToolJet logo

    5. ToolJet

    Best for: Teams that want an open-source Retool alternative with AI-assisted app building

    Open sourceSelf-hostableWeb, Self-hosted

    55.3

    score / 100

    Why switch from Streamlit

    Open-source builder that also supports Python in queries and logic.

    Pros

    • AI builder can generate apps from a prompt
    • Open-source edition is self-hostable
    • Built-in database and workflows

    Cons

    • Paid plans cap end users and apps
    • Per-builder price rises steeply on higher tiers
    • AGPL licence may concern some companies
    Visit ToolJet Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is ToolJet a good Streamlit alternative?

    Verified facts

    4 of 4 verified
    Free plan
    $0 per builder/month
    Checked Oct 25, 2026tooljet.com(opens source in a new tab)
    Pro plan
    $79 per builder/month
    Checked Oct 25, 2026tooljet.com(opens source in a new tab)
    License
    AGPL-3.0
    Checked Oct 25, 2026github.com(opens source in a new tab)
    Self-hosting
    Docker, Kubernetes, VPC or on-premise
    Checked Oct 25, 2026tooljet.com(opens source in a new tab)

The best Streamlit alternative for…

The highest-ranked app in this list for each need.

Reflex logo

Best Streamlit alternative for most people

Reflex

Pure-Python web framework with more control over layout and state for full apps.

Windmill logo

Best Streamlit alternative for a free option

Windmill

Turns Python scripts into workflows and UIs with scheduling and permissions.

Retool logo

Best Streamlit alternative for a free plan you can upgrade

Retool

Low-code builder better suited to CRUD admin panels and team workflows.

Appsmith logo

Best Streamlit alternative for open source

Appsmith

Visual builder for operational tools rather than data-science apps.

ToolJet logo

Best Streamlit alternative for self-hosting

ToolJet

Open-source builder that also supports Python in queries and logic.

Retool logo

Best Streamlit alternative for iPhone and Android

Retool

Low-code builder better suited to CRUD admin panels and team workflows.

Reflex logo

Best Streamlit alternative for working in the browser

Reflex

Pure-Python web framework with more control over layout and state for full apps.

Streamlit alternatives: common questions

What is the best alternative to Streamlit?

Reflex ranks first right now. Pure-Python web framework with more control over layout and state for full apps. Retool and Windmill follow it in our ranking.

Is there a free alternative to Streamlit?

Yes. Reflex (open source), Retool (free plan + paid), Windmill (open source) and Appsmith (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Streamlit?

Yes: Reflex, Windmill, Appsmith and ToolJet. Reflex, Windmill and Appsmith can also be self-hosted.

Why do people switch from Streamlit?

The complaints we hear most: rerun model makes complex apps awkward; limited layout control; not suited to CRUD-heavy admin panels.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Streamlit, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.