Appsmith
Free tierOpen-source low-code platform to build custom internal apps 80% faster
Free tier available·All audiences·API available·Open source
Key strengths
Fully open-source under Apache 2.0 with 40K+ GitHub starsDrag-and-drop UI builder with full JS/HTML/CSS customizationConnects to any database, REST/GraphQL API, or SaaS toolGit-based version control with CI/CD and multi-environment supportEnterprise-grade security: SSO, RBAC, SCIM, SOC 2 Type II, air-gapped deployment
Free tier + paid plans
US
Self-hostable
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Developer Documentation
Self-Hosting
Appsmith can be self-hosted via Docker Compose or Kubernetes Helm charts. Air-gapped deployments are supported for environments with no internet access.
# Quick start with Docker
curl -L https://bit.ly/32jBNin -o docker-compose.yml
docker-compose up -d
Data Source Connectivity
Connect to any database or API using built-in datasource plugins:
- Databases: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, and more
- APIs: REST and GraphQL endpoints with custom headers, auth tokens, and dynamic query params
- SaaS: Salesforce, Google Sheets, HubSpot, S3, and others
JS Customization
Write reusable JavaScript in a centralized IDE. Access widget state, API responses, and utility functions via {{}} binding syntax:
// Example: filter API response for a table widget
Table1.tableData = ApiQuery.data.filter(row => row.status === "active");
Git Integration
- Sync your Appsmith workspace to any Git provider (GitHub, GitLab, Bitbucket)
- Use feature branches for dev, staging, and production environments
- Commit, review PRs, and trigger CI/CD pipelines on merge
Enterprise Security
- SSO: SAML 2.0 and OIDC support
- RBAC: Granular roles, groups, and permissions
- SCIM: Automated user provisioning from your IdP
- Audit Logs: Full organizational activity tracking
- Compliance: SOC 2 Type II certified