Self-hosted alternatives to Bubble

Build no-code web apps running on your own server. Below are 12 open source options you host on your own server — with no monthly per-user fee and full control of your data.

Dify.ai

★ 148,331

Dify is a platform for building AI applications — chatbots, agents and RAG flows — with a visual interface and support for many models. Self-hosted, it lets you build AI products while keeping prompts, data and users on your own server.

Software Development - Low Code Apache-2.0

PocketBase

★ 59,511

PocketBase is a complete backend in a single executable file: database, authentication, files and a realtime API. Self-hosted, it's the open source alternative to Firebase, ideal for apps and prototypes.

Software Development - Low Code MIT

Appwrite

★ 56,534

Appwrite is a backend-as-a-service (BaaS) platform with authentication, database, functions and storage, accessible via SDKs. Self-hosted, it's the open source alternative to Firebase for developers who want full control.

Software Development - Low Code BSD-3-Clause

Appsmith

★ 40,297

Appsmith lets you quickly build internal admin panels and CRUD apps, connecting databases and APIs. It's the open source alternative to Retool, running on your own infrastructure.

Software Development - Low Code Apache-2.0

Halo

★ 39,250

A powerful and easy-to-use website building tool (documentation in Chinese).

Software Development - Low Code GPL-3.0

ToolJet

★ 38,167

ToolJet is a low-code framework for building and shipping internal tools with little engineering effort. Self-hosted, it's the alternative to Retool with your data under control.

Software Development - Low Code GPL-3.0

Budibase

★ 28,103

Budibase builds internal apps, dashboards and CRUD flows in minutes, with a built-in or connected database. Hosted by you, it's an open source alternative to OutSystems and Retool.

Software Development - Low Code ⊘ Proprietary

Manifest

★ 7,225

Complete backend that fits into 1 YAML file.

Software Development - Low Code MIT

TrailBase

★ 5,381

Open, sub-millisecond, single-executable FireBase alternative with type-safe REST & realtime APIs, built-in JS/TS runtime, auth & admin UI.

Software Development - Low Code OSL-3.0

SQLPage

★ 2,525

SQL-only dynamic website builder.

Software Development - Low Code MIT

Saltcorn

★ 2,029

No-code database application builder for web and mobile applications. One platform for user interface, data backend, durable workflows, email, PDF generation, and AI applications.

Software Development - Low Code MIT

UI Bakery

★ 295

Build internal tools, customer portals, and CRUD apps quickly. Configure scheduled jobs and webhooks. Create structure and manage data through a GUI.

Software Development - Low Code ⊘ Proprietary

Frequently asked questions

Is there a free self-hosted alternative to Bubble?

Yes. We've gathered 12 self-hosted, open source alternatives to Bubble — including Dify.ai, PocketBase, Appwrite. You run all of them on your own server.

What is the best open source alternative to Bubble?

Dify.ai is one of the most popular (148,331 GitHub stars). The "best" depends on your case — compare the options below.

Do I need a server to replace Bubble?

Yes. You can use a home server (homelab) or a cheap VPS (from ~€4/mo). See the hosting suggestions on this page.