Best Self-Hosted Retool Alternatives in 2026
Retool is a platform for building internal tools with drag-and-drop components that connect to any database or API. Free tier available; paid plans start at $10/user/mo.
15 Self-Hosted Alternatives to Retool
NocoDB
62KTurn your existing database into a collaborative spreadsheet interface — without moving a single row of data.
Appwrite
55KOpen-source backend-as-a-service with authentication, databases, storage, functions, and messaging. Self-hosted Firebase alternative for web and mobile apps.
Appsmith
39KBuild custom software 10X faster with Appsmith. The leader in open-source low-code development for internal tools and enterprise apps.
ToolJet
38KBuild enterprise apps, AI agents and workflows in minutes, not months. SOC2, GDPR and ISO compliant.
Refine
34KBuild enterprise internal tools and B2B apps 10x faster with Refine agents. The future of vibe coding and AI-led development.
Budibase
28KBuild AI agents, chat and automate internal workflows instantly. The fastest way to automate internal business processes.
Kestra
27KEvent-driven orchestration platform for building, scheduling, and monitoring data pipelines and workflows in code.
NocoBase
22KOpen-source no-code platform for building business applications with a plugin architecture and data model-driven approach.
Windmill
16KWindmill offers execution runtime, orchestrator, app builder as a self-hosted workflow automation.
Illa
12KLow-code platform for building business apps and internal tools
Rowy
6.8KRowy is a self-hosted API management replacement for Airtable, Glide, and more.
Evidence
6KEvidence gives you create data-driven websites and reports using SQL and Markdown on your own infrastructure.
Mathesar
4.9KMathesar lets you run tool that provides an intuitive entirely on your own server.
Lowdefy
3KLowdefy is a JavaScript-based application that builds internal tools.
undb
2.9KUndb is a self-hosted container management replacement for Airtable, Firebase, and more.
Why Look for Retool Alternatives?
Retool is a platform for building internal tools with drag-and-drop components that connect to any database or API. Free tier available; paid plans start at $10/user/mo.
Pricing
Here’s what Retool charges for its plans:
Free --- $0123456789/month
- Unlimited web & mobile apps
- 500 workflow runs/month
- 5GB of database capacity
- 5GB of file storage
- Up to 5 users
- Up to 20 hours/month of Agents
Team --- $01234567890123456789/month
- Everything in Free, plus…
- 5,000 workflow runs/month
- Staging resource environment
- App release versions
-
5 users
- Additional
Self-hosted alternatives eliminate these recurring costs entirely. You pay only for your own infrastructure.
15 Best Open-Source Alternatives to Retool
NocoDB
Build databases like spreadsheets, no coding required. — 62,470 GitHub stars. Licensed under AGPL-3.0.
Appwrite
Build secure and scalable backends effortlessly. — 55,126 GitHub stars. Licensed under BSD-3-Clause.
ToolJet
Low-code platform for building business applications. — 37,602 GitHub stars. Licensed under AGPL-3.0.
Appsmith
Build custom apps quickly with Appsmith. — 39,375 GitHub stars. Licensed under Apache-2.0.
Refine
A React-based framework for rapid development of internal tools, admin panels, and dashboards with powerful data handling capabilities. — 34,231 GitHub stars. Licensed under MIT.
Budibase
Low-code platform for rapid app development and workflow automation. — 27,729 GitHub stars. Licensed under Custom.
Kestra
Event-driven declarative orchestrator — 26,538 GitHub stars. Licensed under Apache-2.0.
NocoBase
No-code platform for building business applications — 21,833 GitHub stars. Licensed under Custom.
Windmill
Turn scripts into workflows and UIs. — 16,002 GitHub stars. Licensed under Custom.
Evidence
Code-based BI tool. Write reports using SQL and markdown and they render as a website — 6,016 GitHub stars. Licensed under MIT.
Rowy
Manage databases and build workflows visually. — 6,803 GitHub stars. Licensed under Open Source.
Mathesar
Spreadsheet-like interface for interacting with PostgreSQL data directly — 4,882 GitHub stars. Licensed under GPL-3.0.
undb
Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly — 2,909 GitHub stars. Licensed under AGPL-3.0.
Illa
Low-code platform for business apps. — 12,360 GitHub stars. Licensed under Apache-2.0.
Lowdefy
Build business apps with YAML or JSON. — 2,953 GitHub stars. Licensed under Apache-2.0.
Why Self-Host Instead of Retool?
- Data ownership. Your data stays on your server, not on Retool’s infrastructure.
- Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- No vendor lock-in. Export and migrate your data anytime. You control the database.
- GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
How much can you save?
Retool (Team)
$100/mo
10 users x $10.00/user
$1,200/year
NocoDB (self-hosted)
$10/mo
VPS hosting only. $0 per-user fees.
$320 year 1 (incl. $200 setup)
Your annual savings
$880
Year 1 (after setup cost). Year 2+: $1,080/year (90% less).
That's $90 saved every month.
NocoDB runs on a $10/mo VPS with unlimited users. Setup by upready.dev starts at $200 (one-time). Retool pricing as of March 2026.
Why teams switch from Retool
- → Data ownership. Your data stays on your server -- not on Retool's infrastructure.
- → Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- → No vendor lock-in. Export and migrate your data anytime. You control the database.
- → GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Head-to-Head Comparisons
Both are developer tools tools. Accent has 5 unique features, Appwrite has 1.
Both are automation tools. Apache Airflow has 3 unique features, Budibase has 5.
Both are automation tools. Apache Airflow has 4 unique features, Illa has 2.
Both are automation tools. Apache Airflow has 5 unique features, Kestra has 2.
Both are excellent low-code platforms. Appsmith has more data source connectors and a larger community. ToolJet has a simpler UI and built-in workflows. Choose Appsmith for complex data apps, ToolJet for simpler internal tools.
Both are developer tools tools. Appwrite has 2 unique features, BoxyHQ has 6.
Both are developer tools tools. Appwrite has 1 unique feature, ByteStash has 2.
Both are developer tools tools. Appwrite has 0 unique features, Featbit has 11.
Both are developer tools tools. Appwrite has 2 unique features, Formance has 3.
Both are developer tools tools. Appwrite has 1 unique feature, FleetBase has 3.
Both are developer tools tools. Appwrite has 2 unique features, Fusio has 4.
Both are developer tools tools. Appwrite has 1 unique feature, GO Feature Flag has 3.
Both are developer tools tools. Appwrite has 1 unique feature, Gravitee has 6.
Both are developer tools tools. Appwrite has 2 unique features, Kuzzle has 3.
Both are developer tools tools. Appwrite has 2 unique features, Judge0 CE has 6.
Both are developer tools tools. Appwrite has 1 unique feature, Kong has 6.
Both are developer tools tools. Appwrite has 2 unique features, LiveKit has 5.
Both are developer tools tools. Appwrite has 1 unique feature, Opik has 3.
Both are developer tools tools. Appwrite has 2 unique features, pad.ws has 2.
Both are developer tools tools. Appwrite has 2 unique features, Svix has 3.
Both are developer tools tools. Appwrite has 3 unique features, Parse-server has 4.
Both are developer tools tools. Appwrite has 3 unique features, Tabby has 5.
Both are developer tools tools. Appwrite has 1 unique feature, Tyk has 5.
Both are developer tools tools. Appwrite has 2 unique features, Pastefy has 2.
Both are developer tools tools. Appwrite has 2 unique features, Unleash has 4.
Both are developer tools tools. Appwrite has 2 unique features, Usertour has 2.
Both are developer tools tools. Appwrite has 1 unique feature, WunderGraph has 1.
Both are developer tools tools. Appwrite has 1 unique feature, Yopass has 1.
Both are database tools. Azimutt has 5 unique features, NocoDB has 5.
Both are database tools. Baserow has 2 unique features, NocoDB has 5.
Both are database tools. Baserow has 2 unique features, NocoDB has 5.
Both are database tools. Beekeeper Studio has 7 unique features, NocoDB has 5.
Both are automation tools. Budibase has 6 unique features, Dify has 3.
Both are automation tools. Budibase has 5 unique features, Illa has 1.
Both are automation tools. Budibase has 6 unique features, Huginn has 2.
Both are automation tools. Budibase has 6 unique features, Label Studio has 3.
Both are automation tools. Budibase has 4 unique features, µTask has 2.
Both are database tools. ChartDB has 6 unique features, NocoDB has 5.
Both are database tools. Chat2DB has 4 unique features, NocoDB has 3.
Both are database tools. Conar has 6 unique features, NocoDB has 3.
Both are database tools. Dbeaver has 7 unique features, NocoDB has 5.
Both are automation tools. Dify has 4 unique features, Illa has 3.
Both are automation tools. Dify has 4 unique features, Kestra has 2.
Both are automation tools. Dify has 2 unique features, ToolJet has 14.
Both are database tools. Encore has 5 unique features, NocoDB has 5.
Both are project management tools. Focalboard has 3 unique features, Refine has 4.
Both are project management tools. Focalboard has 3 unique features, Refine has 4.
Both are database tools. Grist has 4 unique features, NocoDB has 4.
Different tools entirely: Hoppscotch is an API development platform (Postman alternative). Appwrite is a backend-as-a-service (Firebase alternative). No overlap -- choose based on what you need.
Both are automation tools. Illa has 3 unique features, Kestra has 2.
Both are automation tools. Kestra has 2 unique features, Skyvern has 4.
Both are automation tools. Kestra has 1 unique feature, Trigger has 2.
Both are database tools. Meme Search has 2 unique features, NocoDB has 5.
Both are database tools. Nhost has 2 unique features, NocoDB has 4.
Both are database tools. NocoDB has 5 unique features, PG Back Web has 5.
Both are database tools. NocoDB has 5 unique features, Redis Commander has 5.
Both are database tools. NocoDB has 3 unique features, Portabase has 4.
Both are database tools. NocoDB has 5 unique features, Sequin has 4.
Both are database tools. NocoDB has 5 unique features, Swirl Search has 2.
Both are database tools. NocoDB has 4 unique features, Teable has 4.
Both are database tools. NocoDB has 5 unique features, Turso has 2.
Both are database tools. NocoDB has 4 unique features, Velld has 8.
Both are database tools. NocoDB has 5 unique features, Websurfx has 2.
Both are database tools. NocoDB has 3 unique features, WhoDB has 13.
Budibase wins for teams that want to build internal tools without $50-100/user/month pricing. Retool is better for enterprise teams needing complex data transformations and a broader widget library.
Both are database tools. Rowy has 5 unique features, Supabase has 3.
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