Appsmith | Open-Source Low-Code Application Platform | WarmIndex

Appsmith is an open-source low-code platform that enables developers and teams to build admin panels, internal tools, dashboards, and custom applications quickly by connecting to databases, APIs, and SaaS tools.

🚀 Overview

Appsmith solves the problem of building custom internal tools and apps from scratch, which is time-consuming and expensive, by offering drag-and-drop UI building, 25+ data source integrations, and JavaScript extensibility to create production-ready apps 10x faster.

It's built for developers, IT teams, support agents, and businesses—from startups to enterprises—who need to automate workflows, create dashboards, AI apps, customer support tools, and extend SaaS like Salesforce.

The Appsmith team built it to provide a secure, self-hostable low-code platform with full developer control, Git integration, and enterprise features, used by companies like GSK and Block to save development hours and costs.

✨ Key Features

Connect to 25+ databases (PostgreSQL, MongoDB, etc.), any REST/GraphQL API, SaaS tools, and LLMs for real-time data access and self-hosted security.
Drag-and-drop 40+ responsive widgets to build UIs; create custom widgets with JS/HTML/CSS or natural language AI prompts (what it does and why it matters: rapid prototyping with pro customization).
JavaScript editor for workflows, data transformation, logic, and importing libraries; AI-assisted code generation.
Git version control, CI/CD, branching, and collaboration for deployment and maintenance.
Enterprise security: SAML/OIDC SSO, RBAC, SCIM, audit logs, air-gapped self-hosting, SOC 2 Type II. Optional: upcoming AI low-code enhancements and package management.

🛠 Tech Stack

Frontend: React, TypeScript, JavaScript, CSS
Backend: Java
Database: PostgreSQL, MongoDB, MySQL, and 20+ others supported
Auth: Custom, Google/GitHub OAuth, SAML/OIDC, SCIM
Hosting: Self-hosted (Docker, Kubernetes), Appsmith Cloud, Git CI/CD

👥 Who Is This For?

This project is useful for:

Developers who want to build CRUD apps, dashboards, and tools 80% faster without sacrificing control
Teams looking for secure, scalable low-code for internal tools and automation
Indie makers building custom SaaS extensions and AI prototypes

📸 Screenshots / Demo

Live demo: https://login.appsmith.com
GitHub: https://github.com/appsmithorg/appsmith

🔥 Project Status

🟢 Actively building

Last updated: 2026-03-24

❓ FAQ

Is this project free?

Freemium — Community edition is free/open-source for unlimited self-hosting; Business (cloud, up to 99 users) and Enterprise ($2,500/mo starting 100 users) for advanced hosting/security/support. (15-day Business trial available.)

Is the source code available?

Yes — https://github.com/appsmithorg/appsmith

Can I contribute?

Yes — Star/fork the repo, check Issues for bugs/features, submit PRs; join Discord (https://discord.gg/rBTTVJp), Community forum (https://community.appsmith.com), or docs contributions.