Appsmith / appsmith.com
AI-powered open-source low-code platform for building internal tools, admin panels, and dashboards by connecting to APIs, databases, and cloud services with AI-assisted widget and query generation.
Pricing
Free
Free plan
Yes
Category
Developer Tools
Platforms
2
Free plan
Yes
API access
Yes
Open source
Yes
Platforms
2
Appsmith is an open-source low-code platform for building internal tools — enabling engineering teams and business users to create admin panels, dashboards, data management interfaces, and operational tools by connecting to databases (PostgreSQL, MySQL, MongoDB), REST APIs, and GraphQL endpoints. AI capabilities include AI-generated SQL queries from natural language — describing what data to fetch and Appsmith AI writing the appropriate SQL. AI Widget Generation suggests and places appropriate UI widgets based on the connected data structure — reducing the time to build initial interfaces from connected data sources. The open-source foundation means Appsmith can be self-hosted — full control over data, no third-party cloud dependency, and the ability to customise the platform for specific requirements. Drag-and-drop canvas enables building UIs visually — placing tables, forms, charts, buttons, and other widgets without frontend coding. JavaScript customisation enables complex business logic — extending Appsmith's visual building with custom JavaScript for validation, data transformation, and conditional behaviour. Datasource connectors cover 40+ integrations — PostgreSQL, MongoDB, Salesforce, GitHub, Stripe, and API endpoints enabling internal tools that connect to existing systems. Git integration enables version control for Appsmith applications — treating internal tools as code with PR review workflows. With open-source adoption across engineering teams and companies deploying Appsmith in private cloud, it validates as a leading alternative to Retool for open-source internal tool building.
Appsmith AI runs as llm assistant software built around text and code workflows. Users typically start with a prompt, upload, or connected data source, and the underlying model handles the heavy lifting before returning a result you can refine or export. It's available on web and self-hosted, with API access for teams that want to embed it into their own products.
The capabilities that matter most for teams evaluating Appsmith AI.
Natural language to database query writing — describing data needs and receiving appropriate SQL for the connected database without SQL expertise requirement.
Complete data control in customer infrastructure — all application data and configurations remaining in the customer environment without third-party cloud dependency.
Database, API, and SaaS integrations covering PostgreSQL, MongoDB, Salesforce, and common internal tool data sources without custom connector development.
Community (open source free). Business $20/user/month. Enterprise custom.
Model
Open Source
Starting price
Free
Free trial
No
Retool (covered) provides commercial internal tool building with wider adoption. Tooljet provides competing open-source internal tools. Budibase provides open-source low-code. Appsmith and Tooljet are the primary open-source Retool alternatives.
A side-by-side look at the closest alternative in this category.
Key facts about model providers, platforms, and team support.
Model Provider
OpenAI, Appsmith
Platforms
Web, Self-hosted
Deployment
Open Source, SaaS
Integrations
PostgreSQL, MongoDB, MySQL, Salesforce, GitHub, Stripe, 40+ connectors, API
Team Collaboration
Yes
Launch Year
2023
Compliance signals and data-handling notes as reported by the vendor.
SOC 2 Type II. ISO 27001. GDPR compliant. Self-hosted option for data sovereignty.
Application configuration and query data processed on Appsmith cloud or customer self-hosted. With self-hosting, all data remains in customer infrastructure.
Editorial Verdict
Appsmith is the best AI open-source low-code internal tool builder for engineering teams wanting self-hosted data control, AI SQL generation, and drag-and-drop interface building with 40+ datasource connectors.
Last verified July 24, 2026.
Community (open source free). Business $20/user/month. Enterprise custom.
Community (open source free). Business $20/user/month. Enterprise custom.
Full-stack developers building internal tools
Engineering teams needing self-hosted options
Business operations teams with developer support
Startups building internal tools cost-effectively
DevOps teams automating internal processes
SOC 2 Type II. ISO 27001. GDPR compliant. Self-hosted option for data sovereignty.
SOC 2 Type II. GDPR compliant. Self-hosted option for data sovereignty.
Application configuration and query data processed on Appsmith cloud or customer self-hosted. With self-hosting, all data remains in customer infrastructure.
Application and workflow data processed on ToolJet cloud or customer self-hosted. Self-hosted deployment keeps all data in customer infrastructure.
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