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Open Source Alternatives to Popular Software

Over 1 million users replaced their proprietary tools with open source software. Discover the best alternatives and join the movement.

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Favicon of Supabase

Supabase

Postgres-powered backend platform for production apps

  • Stars

    111,417

  • Last commit

    1 hour ago

  • License

    Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.

Open Source Alternative to:

Favicon of Firebase
Firebase
Favicon of Zed

Zed

High-performance code editor built for speed and AI

  • Stars

    91,628

  • Last commit

    2 hours ago

  • License

    GPL-3.0
A Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integration.

Open Source Alternative to:

Favicon of Cursor
Cursor
Favicon of PocketBase

PocketBase

Open-source backend in a single file

  • Stars

    61,375

  • Last commit

    5 hours ago

  • License

    MIT
A lightweight, self-hosted backend solution with real-time database, authentication, and file storage capabilities.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Appwrite

Appwrite

Open-source backend platform for rapid app development

  • Stars

    57,650

  • Last commit

    2 hours ago

  • License

    BSD-3-Clause
Open-source development platform with built-in backend infrastructure, web hosting, and security features. Scale applications using your preferred programming languages.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Turso

Turso

SQLite-compatible database for scalable multi-tenant applications

  • Stars

    17,266

  • Last commit

    11 days ago

  • License

    MIT
Turso provides a simple developer experience with SQLite compatibility, allowing you to build and scale multi-tenant applications with unlimited databases.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Zitadel

Zitadel

Secure, customizable identity infrastructure for developers

  • Stars

    15,294

  • Last commit

    12 hours ago

  • License

    AGPL-3.0
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of SuperTokens

SuperTokens

Secure, customizable authentication for your applications

  • Stars

    15,347

  • Last commit

    6 days ago

  • License

    Unknown
Open-source authentication solution offering flexible, self-hosted user management with advanced features and easy integration.

Open Source Alternative to:

Favicon of Auth0
Auth0
Favicon of Convex

Convex

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

  • Stars

    12,688

  • Last commit

    19 hours ago

  • License

    Unknown
Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Encore

Encore

Accelerate backend development with effortless scalability

  • Stars

    12,447

  • Last commit

    10 hours ago

  • License

    MPL-2.0
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Ory

Ory

A certified and battle-tested identity solution

  • Stars

    13,917

  • Last commit

    3 months ago

  • License

    Apache-2.0
Ory is a certified and battle-tested identity solution backed by a large open source community and trusted by Fortune 500 companies.

Open Source Alternative to:

Favicon of Auth0
Auth0
Favicon of Instant

Instant

Realtime client-side database for collaborative apps

  • Stars

    10,545

  • Last commit

    14 days ago

  • License

    Apache-2.0
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of NHost

NHost

Serverless backend platform for modern app development

  • Stars

    9,354

  • Last commit

    8 hours ago

  • License

    MIT
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Hexclave

Hexclave

Modular auth, payments, emails, and analytics for your product

  • Stars

    6,861

  • Last commit

    2 hours ago

  • License

    Unknown
Self-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.

Open Source Alternative to:

Favicon of Auth0
Auth0
Favicon of Rowy

Rowy

Build powerful backends without leaving your browser

  • Stars

    6,845

  • Last commit

    2 years ago

  • License

    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:

Favicon of Airtable
Airtable
Favicon of Bknd

Bknd

Feature-rich backend that runs anywhere you need it

  • Stars

    3,769

  • Last commit

    18 days ago

  • License

    Apache-2.0
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Soketi

Soketi

Next-gen WebSockets server for real-time apps

  • Stars

    5,637

  • Last commit

    2 years ago

  • License

    AGPL-3.0
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.

Open Source Alternative to:

Favicon of Firebase
Firebase
Favicon of Chartbrew

Chartbrew

Create stunning data visualizations with ease

  • Stars

    4,061

  • Last commit

    5 days ago

  • License

    MIT
A powerful, open-source platform for building interactive dashboards and charts from multiple data sources without coding.

Open Source Alternative to:

Favicon of Power BI
Power BI
Favicon of Athas

Athas

Lightweight code editor with agents, Git, and terminal built in

  • Stars

    3,104

  • Last commit

    2 hours ago

  • License

    Unknown
Open-source code editor for macOS, Windows, and Linux that puts coding agents, terminal, Git, and GitHub in a single window.

Open Source Alternative to:

Favicon of Cursor
Cursor
Favicon of Authgear

Authgear

Managed identity and access management for any app

  • Stars

    2,106

  • Last commit

    1 day ago

  • License

    Apache-2.0
Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.

Open Source Alternative to:

Favicon of Auth0
Auth0
Favicon of undb

undb

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

  • Stars

    2,980

  • Last commit

    21 days ago

  • License

    AGPL-3.0
Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Nitric

Nitric

Cloud-native framework for infrastructure from code

  • Stars

    2,017

  • Last commit

    8 months ago

  • License

    Apache-2.0
Nitric automates cloud infrastructure provisioning from your application code for AWS, GCP and Azure

Open Source Alternative to:

Favicon of Supabase
Supabase
Favicon of Firefiles

Firefiles

Bring your own cloud storage, managed in one place

  • Stars

    371

  • Last commit

    11 months ago

  • License

    AGPL-3.0
Firefiles turns S3 buckets and other cloud backends into a unified file manager with browser-based previews, multi-drive support, and a clean light/dark interface.

Open Source Alternative to:

Favicon of Google Drive
Google Drive
Favicon of Tiledesk

Tiledesk

AI
No-code platform to build AI agents and automate support

  • Stars

    15

  • Last commit

    4 days ago

  • License

    MIT
Build AI chatbots, automate customer support workflows, and connect live agents across web, WhatsApp, email, and voice with a no-code visual designer.

Open Source Alternative to:

Favicon of Voiceflow
Voiceflow
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