Open Source Low-Code/No-Code Platforms using CSS
A curated collection of the best open source platforms for building applications with minimal or no coding. using CSS.
Visual workflow automation with code flexibility and AI agents
Stars
208,095Last commit
6 hours agoLicense
Unknown
Build automated workflows connecting 500+ apps, write custom code, and deploy AI agents with full visibility into every decision. Self-hostable or cloud.
Open Source Alternative to:
Visual builder for AI agents and RAG pipelines
Stars
155,859Last commit
6 hours agoLicense
MIT
Build, deploy, and iterate on AI agents, RAG applications, and MCP servers using a drag-and-drop visual interface backed by Python.
Open Source Alternative to:
Transform databases into intuitive spreadsheets instantly
Stars
65,306Last commit
6 hours agoLicense
AGPL-3.0
Convert any database into a no-code platform with spreadsheet interface. Connect PostgreSQL/MySQL or use hosted database. Scale to millions of rows effortlessly.
Open Source Alternative to:
Build internal tools rapidly without coding
Stars
41,108Last commit
6 hours agoLicense
AGPL-3.0
Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface
Open Source Alternative to:
Empower your team to build custom internal tools rapidly
Stars
41,092Last commit
6 hours agoLicense
Apache-2.0
Low-code platform for creating powerful internal tools and dashboards with drag-and-drop ease, robust integrations, and customizable workflows.
Open Source Alternative to:
Open-source data platform for effortless content management
Stars
38,622Last commit
6 hours agoLicense
Unknown
A versatile headless CMS and API engine that simplifies data management, content creation, and application development.
Open Source Alternative to:
Full-stack Python platform for web apps and internal tools
Stars
28,962Last commit
8 hours agoLicense
Apache-2.0
Build, iterate, and deploy full-stack web apps entirely in Python. Reflex combines an AI app builder, a full-stack framework, and one-click deployment in one platform.
Open Source Alternative to:
Automate workflows with no-code integration platform
Stars
25,126Last commit
6 hours agoLicense
MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.
Open Source Alternative to:
Build powerful web apps without complex coding
Stars
28,331Last commit
6 hours agoLicense
Unknown
Low-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.
Open Source Alternative to:
Flexible database meets intuitive spreadsheet interface
Stars
21,906Last commit
6 hours agoLicense
AGPL-3.0
Open-source platform combining powerful database capabilities with a user-friendly spreadsheet interface for efficient data management and collaboration.
Open Source Alternative to:
Build AI agents and RPA workflows without writing code
Stars
21,667Last commit
8 months agoLicense
Unknown
No-code platform for building AI agents and RPA workflows that automate repetitive business tasks across finance, HR, sales, and operations.
Open Source Alternative to:
Visual database for workflow automation across apps
Stars
15,639Last commit
1 month agoLicense
AGPL-3.0
AITable.ai offers a visual database platform that simplifies workflow automation and connects to over 6,000 apps through integrations like Zapier and Make.
Open Source Alternative to:
Create powerful chatbots without coding
Stars
10,561Last commit
1 day agoLicense
Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.
Open Source Alternative to:
Flexible spreadsheets with database power
Stars
11,978Last commit
8 hours agoLicense
Apache-2.0
A versatile data management platform combining spreadsheet simplicity with relational database capabilities for efficient data organization and analysis.
Open Source Alternative to:
Visual web development with code-level control
Stars
9,093Last commit
16 hours agoLicense
AGPL-3.0
Powerful no-code platform for building responsive websites. Combines visual editing with full HTML/CSS customization.
Open Source Alternative to:
Visual development platform for modern web experiences
Stars
8,868Last commit
5 days agoLicense
MIT
Drag-and-drop interface for creating and optimizing digital experiences, with headless CMS and powerful integrations.
Open Source Alternative to:
Visual app builder that integrates with your existing codebase
Stars
7,120Last commit
8 hours agoLicense
MIT
Open-source visual editor for building websites and web apps. Connect to any data source, design custom UIs, and ship production React code without leaving your stack.
Open Source Alternative to:
Spreadsheet-like interface for PostgreSQL databases
Stars
5,157Last commit
15 hours agoLicense
GPL-3.0
A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.
Open Source Alternative to:
Build powerful backends without leaving your browser
Stars
6,843Last commit
2 years agoLicense
Apache-2.0
A low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.
Open Source Alternative to:
Create powerful forms with ease and flexibility
Stars
Stars growing over the last 30 days3,858Last commit
3 days agoLicense
AGPL-3.0
A versatile open-source form builder for collecting data, managing submissions, and integrating with your favorite tools.
Open Source Alternative to:
Create stunning data visualizations with ease
Stars
4,061Last commit
7 hours agoLicense
MIT
A powerful, open-source platform for building interactive dashboards and charts from multiple data sources without coding.
Open Source Alternative to:
Visual website builder for effortless web design
Stars
2,446Last commit
10 hours agoLicense
MIT
Frappe Builder is an open-source, low-code website builder that enables users to create beautiful, responsive websites with an intuitive visual interface.
Open Source Alternative to:
Open canvas for designing and building web apps
Stars
2,687Last commit
1 day agoLicense
Apache-2.0
Design and build web applications on an open canvas with AI-powered tools, Figma integration, pixel drawing, and a modular SDK built for extensibility.
Open Source Alternative to:
Local-first, offline-first no-code database platform
Stars
2,977Last commit
28 days agoLicense
AGPL-3.0
Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly
Open Source Alternative to:
Self-hosted AI agents and workflows across any channel
Stars
Stars declining over the last 30 days1,154Last commit
27 days agoLicense
AGPL-3.0
Build and run AI agents, agentic workflows, and multichannel automation on your own infrastructure, with memory, RAG, MCP tools, and full data control.
Open Source Alternative to:
Build complete web apps with integrated graph database
Stars
828Last commit
8 days agoLicense
Unknown
Open-source low-code platform combining Neo4j graph database, visual schema editor, automatic REST APIs, and page rendering in one self-hosted environment.
Build and deploy AI agents through visual workflows
Stars
558Last commit
20 days agoLicense
Apache-2.0
Create powerful AI agents using an intuitive node-based interface that connects multiple LLMs and data sources for automated documentation and development workflows.
Low-code and no-code platform for business apps
Stars
386Last commit
1 day agoLicense
AGPL-3.0
Full-stack open source platform combining no-code and low-code studios to build, deploy, and integrate web, mobile, and desktop business applications.
Open Source Alternative to:
Secure, encrypted forms with advanced features
Stars
48Last commit
14 days agoLicense
AGPL-3.0
Build end-to-end encrypted forms with enterprise-grade features, no coding required. Protect sensitive data and enhance user trust.
Open Source Alternative to:
Sent – Messaging Infrastructure for Developers. One API for SMS, WhatsApp, and RCS across 190+ countries.
Postiz
Docmost
Stellar Hosted