Open-source alternatives guide · Updated 2026

Best open-source alternatives to Power Apps

Compare the best free and open-source alternatives to Power Apps — 4 verified projects with explicit catalog relationships. Inspect licenses, GitHub activity, self-hosting signals, and migration fit before you switch.

4verified alternatives
2self-hosted signals
3categories

Only explicit alternative relationships are shown—never inferred competitor claims.

Overview

This guide compares 4 verified open-source alternatives to Power Apps, including Flowise, AppSmith, Budibase, and NocoBase.

Projects appear across AI & Machine Learning, Infrastructure, and Business Software. 2 options include a self-hosting signal — see the self-hosted catalog. Ranking follows public GitHub stars and recorded momentum—not vendor marketing. Compare projects side by side, then confirm license fit, migration effort, and operational ownership before adopting any option.

Strongest repository-activity signal: Flowise · Jump to ranking · 54.7K stars

About Power Apps

Proprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, repository activity, and self-hosting options befo

Ranked open-source alternatives to Power Apps

Compare capabilities, licensing, and ownership model. Stars help with discovery; they are not a security or product-fit guarantee.

Flowise

Open-source alternative to Power Apps

AI & Machine LearningLicense not declaredAI-native

Build AI Agents, Visually

Build AI Agents, Visually Review the official repository, license, release activity, and deployment documentation before production adoption.

Best for: AI product teams
Deployment: Inspectable source
License: License not declared
Activity: Updated 36 hours ago

Key capabilities

AppSmith

Open-source alternative to Power Apps

InfrastructureApache-2.0Self-hosted

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API. Review the official repository, license, release activity, and deployment

Best for: Infrastructure teams
Deployment: Self-hostable
License: Apache-2.0
Activity: Updated 27 hours ago

Key capabilities

Budibase

Open-source alternative to Power Apps

AI & Machine LearningLicense not declaredAI-native

AI agents, automations and apps that run your operations. Model agnostic.

AI agents, automations and apps that run your operations. Model agnostic. Review the official repository, license, release activity, and deployment documentation before production

Best for: AI product teams
Deployment: Inspectable source
License: License not declared
Activity: Updated 28 hours ago

Key capabilities

open-source low-code no-code workflow-automation

NocoBase

Open-source alternative to Power Apps

Business SoftwareLicense not declaredSelf-hostedAI-native

NocoBase is an open-source AI + no-code platform for building business systems fast. Instead of generating everything from scratch, AI works on top of production-proven infrastructure and a WYSIWYG no-code interface, so

NocoBase is an open-source AI + no-code platform for building business systems fast. Instead of generating everything from scratch, AI works on top of production-proven infrastruct

Best for: Operations teams
Deployment: Self-hostable
License: License not declared
Activity: Updated 30 hours ago

Key capabilities

self-hosted

ai-agents

developer-tools low-code

How to choose a Power Apps alternative

Map must-have capabilitiesList the workflows in Power Apps you cannot drop during migration.

Verify the licenseConfirm it fits your use, distribution, and compliance model. Browse license briefs.

Run a proof of conceptTest real data, integrations, clients, and failure modes. Use Compare for side-by-side checks.

Plan ownershipAssess upgrades, backups, support, and an exit path. Read when self-hosting is worth it.

Frequently asked questions about Power Apps alternatives

What are the best open-source alternatives to Power Apps?

OpenSourceChoice currently lists 4 projects with an explicit alternative relationship to Power Apps. Catalog highlights include Flowise, AppSmith, and Budibase. Rankings follow public GitHub stars and recorded momentum—not paid placement. Match capabilities and license fit to your workflow before adopting any option.

Are open-source alternatives to Power Apps free?

Most catalogued alternatives publish source under OSI or source-available licenses and are free to inspect. Hosting, commercial support, or cloud model APIs may still cost money. Always read the project license for your use case.

Can I self-host an alternative to Power Apps?

2 options in this list carry a self-hosting signal. Confirm the official install guide, backups, upgrades, and hardening steps before production.

How should I evaluate Power Apps alternatives?

Map must-have Power Apps workflows, verify license and compliance fit, run a proof of concept with real data and integrations, then plan ownership for upgrades, backups, support, and an exit path.