Open Source Frameworks & Platforms using esbuild

A curated collection of the best free and open source frameworks and application platforms, covering backend as a service, low-code builders and the foundations apps are built on using esbuild.

n8n

A fair-code platform for building AI agents and automations on a visual canvas, self-hosted or in the cloud, with more than 1500 integrations.

Alternative to:

Zapier

Visual workflow automation with code flexibility and AI agents

Stars
208,821
Forks
61,271
Last commit
16 hours ago

ToolJet

Open source platform for building internal tools, admin panels and dashboards on top of existing databases, APIs and SaaS systems.

Alternative to:

Retool

Build internal tools rapidly without coding

Stars
41,136

Directus

A backend that wraps any SQL database with instant REST and GraphQL APIs plus a visual studio for non-technical teammates.

Alternative to:

Contentful

Open-source data platform for effortless content management

Stars
38,668

ActivePieces

Extensible automation platform and Zapier replacement where every integration is a typed TypeScript package that doubles as an MCP server.

Alternative to:

Zapier

Automate workflows with no-code integration platform

Stars
25,255

Budibase

Operations platform for building internal apps, automations and AI agents on top of the databases a business already runs.

Alternative to:

Retool

Build powerful web apps without complex coding

Stars
28,361

Teable

A PostgreSQL-backed database that works like a spreadsheet, with AI chat and an app builder, for teams building internal tools.

Alternative to:

Coda

Flexible database meets intuitive spreadsheet interface

Stars
21,932

Convex

A reactive database where server functions are plain TypeScript, for web developers who want live-updating apps without stitching a backend together.

Alternative to:

AWS Amplify

Build full-stack apps with TypeScript and real-time sync

Stars
12,765

Typebot

A visual chatbot builder with more than 34 blocks, embeddable anywhere, for teams collecting answers in real time.

Alternative to:

Voiceflow

Create powerful chatbots without coding

Stars
10,584

Instant

A realtime database you query from the client, giving app developers auth, permissions, storage, presence and offline caching out of the box.

Alternative to:

Firebase

Realtime client-side database for collaborative apps

Stars
10,561

WebStudio

An open source visual development platform for developers, designers and cross-functional teams who want to own the data, components and infrastructure.

Alternative to:

Webflow

Visual web development with code-level control

Stars
9,118

KeystoneJS

Headless CMS and Node.js app framework that turns a schema you describe into a GraphQL API and admin UI.

Alternative to:

Contentful

Flexible, scalable Node.js CMS and app framework

Stars
9,981

Builder

Visual editing for existing sites and apps, turning Figma files and your own components into code teams can publish.

Alternative to:

Contentful

Visual development platform for modern web experiences

Stars
8,875

Mockoon

A desktop app and CLI for designing and running mock APIs locally, for developers who need fake endpoints without deploying anything.

Alternative to:

Beeceptor

Effortless API mocking for seamless development

Stars
8,462

Plasmic

A visual builder that plugs into an existing React codebase, letting marketers and developers assemble pages and apps without hitting a low-code ceiling.

Alternative to:

Contentful

Visual app builder that integrates with your existing codebase

Stars
7,134

Bknd

Lightweight backend giving you database, authentication, media and workflows behind a visual admin, deployable standalone or embedded in your framework.

Alternative to:

AWS Amplify

Feature-rich backend that runs anywhere you need it

Stars
3,775

OpnForm

Open source no-code form builder for teams that want unlimited forms and submissions on their own infrastructure instead of a hosted tool.

Alternative to:

Typeform

Create powerful forms with ease and flexibility

Stars
3,873

Structr

Low-code platform where an application's schema, interface, scripts and data all live in one graph database, for teams building custom systems.

Alternative to:

Microsoft Power Apps

Build complete web apps with integrated graph database

Stars
828

Nordcraft

The packages behind an editor-driven web app framework with server-side rendering, published for developers following its move to open source.

Alternative to:

Webflow

Craft AAA web apps that delight your users

Stars
493

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Open Source Frameworks & Platforms using esbuild

A curated collection of the best free and open source frameworks and application platforms, covering backend as a service, low-code builders and the foundations apps are built on using esbuild.

n8n

ToolJet

Directus

ActivePieces

Budibase

Teable

Convex

Typebot

Instant

WebStudio

KeystoneJS

Builder

Mockoon

Plasmic

Bknd

OpnForm

Structr

Nordcraft

n8n

ToolJet

Directus

ActivePieces

Budibase

Teable

Convex

Typebot

Instant

WebStudio

KeystoneJS

Builder

Mockoon

Plasmic

Bknd

OpnForm

Structr

Nordcraft

AppSmith