Open Source Frameworks & Platforms using PostgreSQL

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 PostgreSQL.

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

Supabase

A Postgres development platform bundling authentication, generated APIs, realtime, storage and vectors, available hosted or entirely self-hosted.

Alternative to:

AWS Amplify

Postgres-powered backend platform for production apps

Stars
114,210

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

AppSmith

Low-code platform for building internal tools such as dashboards, admin panels and customer 360 views, then deploying and maintaining them.

Alternative to:

Retool

Empower your team to build custom internal tools rapidly

Stars
41,132

Onlook

Visual editor for Next.js and Tailwind projects, letting designers edit the live DOM while real source code changes underneath.

Alternative to:

Webflow

Visual React editor with real-time code updates

Stars
27,020

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

Grist

A relational spreadsheet that combines spreadsheet flexibility with database structure, for teams organizing data that outgrew a plain sheet.

Alternative to:

Airtable

Flexible spreadsheets with database power

Stars
12,002

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

Vendure

Headless commerce platform in TypeScript for teams running D2C, B2B or marketplace stores that need to change the core.

Alternative to:

Shopify

Flexible e-commerce for modern businesses

Stars
8,547

Webiny

A self-hosted content platform for AWS serverless, aimed at development teams that need multi-tenancy and code-level extension rather than configuration.

Alternative to:

Contentful

Open-source serverless CMS for modern web projects

Stars
8,049

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

Mathesar

Spreadsheet-like web interface for PostgreSQL that lets users of any skill level view, edit, query and collaborate on data directly.

Alternative to:

Airtable

Spreadsheet-like interface for PostgreSQL databases

Stars
5,166

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

Chartbrew

Web application that connects to your databases and APIs and turns the data into charts, dashboards and embeddable visualizations for a team.

Alternative to:

Microsoft Power BI

Create stunning data visualizations with ease

Stars
4,065

undb

No-code database and backend as a service built on SQLite, running from a single binary, a Docker container or the cloud.

Alternative to:

Coda

Local-first, offline-first no-code database platform

Stars
2,977

WunderGraph

Lifecycle API management platform for federated GraphQL, covering schema registry, composition checks, routing, analytics, metrics and tracing.

Alternative to:

Apollo GraphOS

Unify APIs, databases, and services effortlessly

Stars
1,283

Hexabot

Self-hosted platform for building agentic workflows in YAML and running them across conversational channels with tools, memory and RAG.

Alternative to:

Voiceflow

Self-hosted AI agents and workflows across any channel

Stars
1,148

Giselle

Visual builder for AI agent workflows that chains several models and plugs into GitHub, for teams automating product delivery work.

Alternative to:

Lindy

Build and deploy AI agents through visual workflows

Stars
557

Capgo

Live update server for Capacitor apps, shipping JavaScript bundles to iOS and Android without waiting on app store review.

Alternative to:

Capawesome

OTA updates for Capacitor apps without app store delays

Stars
211

Proxed AI

A proxy backend that keeps AI API keys out of iOS apps and verifies callers with Apple DeviceCheck, for mobile developers shipping AI features.

Alternative to:

Cloudflare AI Gateway

Secure AI API management for iOS apps with DeviceCheck

Stars
9

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Open Source Frameworks & Platforms using PostgreSQL

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 PostgreSQL.

n8n

Supabase

ToolJet

AppSmith

Onlook

ActivePieces

Budibase

Teable

Convex

Grist

KeystoneJS

Vendure

Webiny

Plasmic

Mathesar

Bknd

Chartbrew

undb

WunderGraph

Hexabot

Giselle

Capgo

Proxed AI

n8n

Supabase

ToolJet

AppSmith

Onlook

ActivePieces

Budibase

Teable

Convex

Grist

KeystoneJS

Vendure

Webiny

Plasmic

Mathesar

Bknd

Chartbrew

undb

WunderGraph

Hexabot

Giselle

Capgo

Proxed AI

NocoDB