39.6k
Appsmith
Appsmith is a platform to build admin panels, internal tools, and dashboards. It seamlessly integrates with over 25 databases and any API.
👨💻
Development🛠️
Tools🔁
API💾
Database
5 Open Source Alternatives to Retool
There are 5 open-source alternatives to Retool in this directory. The most popular is Appsmith with 39.6k GitHub stars, followed by ToolJet(35.0k stars). All are open source, free to use, and many can be self-hosted.
Quick comparison
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | Appsmith Appsmith is a platform to build admin panels, internal tools, and dashboards. It seamlessly integrates with over 25 databases and any API. | 39.6k | TypeScript | Apache License 2.0 |
| 2 | ToolJet A low-code platform for building business applications with a drag and drop builder, supporting integration with various databases, cloud storages, and APIs. | 35.0k | JavaScript | GNU Affero General Public License v3.0 |
| 3 | Budibase Create business apps and automate workflows in minutes using a no code / low code platform. Supports PostgreSQL, MySQL, MariaDB, MSSQL, MongoDB, Rest API, Docker, K8s, and more. | 23.6k | TypeScript | Other |
| 4 | Windmill Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows, and UIs. Includes the fastest workflow engine, performing 13 times faster than Airflow. It serves as an open-source alternative to Retool and Temporal. | 16.2k | HTML | Other |
| 5 | ILLA Builder Low-code platform for building business apps, enabling the quick creation of internal tools such as dashboards, CRUD apps, admin panels, CRM, and CMS. Supports integrations like PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, REST API, Hugging Face, and Redis. Automate workflows with schedule or webhook. Open source alternative to Retool. | 12.3k | TypeScript | Apache License 2.0 |
All open-source alternatives to Retool
35.0k
ToolJet
A low-code platform for building business applications with a drag and drop builder, supporting integration with various databases, cloud storages, and APIs.
👨💻
Development🛠️
Tools🌐
Web🔁
API
23.6k
Budibase
Create business apps and automate workflows in minutes using a no code / low code platform. Supports PostgreSQL, MySQL, MariaDB, MSSQL, MongoDB, Rest API, Docker, K8s, and more.
👨💻
Development⚙️
DevOps🛍️
E-Commerce🛠️
Tools
16.2k
Windmill
Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows, and UIs. Includes the fastest workflow engine, performing 13 times faster than Airflow. It serves as an open-source alternative to Retool and Temporal.
👨💻
Development⚙️
DevOps🔁
API🌐
Web
12.3k
ILLA Builder
Low-code platform for building business apps, enabling the quick creation of internal tools such as dashboards, CRUD apps, admin panels, CRM, and CMS. Supports integrations like PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, REST API, Hugging Face, and Redis. Automate workflows with schedule or webhook. Open source alternative to Retool.
👨💻
Development🛠️
Tools🔁
API🏠
Self-Hosted
Frequently asked questions
What are the best open-source alternatives to Retool?
The top three are Appsmith(39.6k stars), ToolJet(35.0k stars), Budibase(23.6k stars). All are open source and free to use.
Are these alternatives to Retool free?
Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Can I self-host an alternative to Retool?
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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