Top 10 Open Source Alternatives to Bubble in 2025: A Comprehensive Comparison

While Bubble continues to be a dominant low-code development platform, 2025 has seen the rise of several powerful open-source alternatives, each offering unique features and capabilities. Whether you're looking for better pricing, enhanced integration, or open-source flexibility, this article explores the top 10 open-source alternatives to Bubble, comparing them on key data points like pricing, ease of use, use cases, and community support.

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1. Appsmith

Pricing: Free for self-hosted option; Paid plans for cloud-hosted options.
Ease of Use: Generally considered easy to use for developers familiar with basic programming concepts.
Use Cases: Ideal for internal tools, custom dashboards, and admin panels.
Scalability: Designed for building scalable internal applications.
Community Support: Strong and active community. Learn more about Appsmith

2. Budibase

Pricing: Free for self-hosted option; Paid plans for cloud-hosted options.
Ease of Use: Designed to be user-friendly, especially for those with some technical background.
Use Cases: Well-suited for internal business applications.
Scalability: Suitable for building scalable internal applications and workflows.
Community Support: Growing community. Explore Budibase

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3. ToolJet

Pricing: Free for self-hosted option; Paid plans for cloud-hosted options.
Ease of Use: Developer-friendly interface.
Use Cases: Suitable for creating internal tools and dashboards for technical teams.
Scalability: Designed to handle complex internal tools and workflows.
Community Support: Active and growing community. Discover ToolJet

4. NocoDB

Pricing: Free for self-hosted options.
Ease of Use: Very easy to use, especially for users comfortable with spreadsheets.
Use Cases: Ideal for data management, data visualization, and creating simple apps from existing databases.
Scalability: Can handle large databases and user bases.
Community Support: Active open source community. Learn more about NocoDB

5. Saltcorn

Pricing: Free and open-source.
Ease of Use: Straightforward, easy-to-use interface with a focus on quick application development.
Use Cases: Suitable for creating web and mobile applications with customized interfaces.
Scalability: Suitable for various app sizes.
Community Support: Growing community. Explore Saltcorn

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6. UI Bakery

Pricing: Free plan available; Paid plans for advanced features.
Ease of Use: Focuses on a smoother development experience.
Use Cases: Good for internal tools with complex automation requirements.
Scalability: Capable of handling scalable applications.
Community Support: Active community. Discover UI Bakery

7. Node-RED

Pricing: Free and open source.
Ease of Use: Easy to learn, especially for visual learners.
Use Cases: Good for automation, integration, and connecting diverse services.
Scalability: Suitable for small to large-scale applications.
Community Support: Large and active community. Learn more about Node-RED

8. Joget

Pricing: Open-source options available; Paid plans for enterprise features.
Ease of Use: Designed to be user-friendly.
Use Cases: Great for process automation and workflow management, and for building custom business apps.
Scalability: Suitable for various app sizes.
Community Support: Strong community. Explore Joget

9. Convertigo

Pricing: Community edition is free; Paid plans for advanced enterprise features.
Ease of Use: Geared towards IT professionals and developers.
Use Cases: Suitable for complex mobile and web applications.
Scalability: Designed to handle enterprise-level applications.
Community Support: Active community and support. Discover Convertigo

10. Rintagi

Pricing: Free self-hosting options; Paid options available.
Ease of Use: Relatively easy to use.
Use Cases: Suitable for building customized applications.
Scalability: Can handle a range of app sizes.
Community Support: Growing community and user base. Learn more about Rintagi

These platforms offer a range of features and capabilities that make them strong contenders as open-source alternatives to Bubble. Each platform has its own unique strengths and target audience, so it's essential to consider the specific requirements of your project when making a choice.

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FAQ

1. What is Appsmith and what are its key features?

Appsmith is a low-code, open-source platform designed for building internal tools, dashboards, and admin panels. It offers a drag-and-drop interface, JavaScript customization, and data source integrations. Learn more about Appsmith

2. How can Budibase help in building internal business applications?

Budibase is an open-source, low-code platform that integrates with databases, APIs, and spreadsheets to build internal tools. It supports workflow automation and self-hosting. Discover Budibase

3. What makes ToolJet a strong choice for developers?

ToolJet provides a drag-and-drop UI builder, support for JavaScript and Python, and customizable components, making it ideal for creating internal tools quickly. Explore ToolJet

4. How does NocoDB transform databases into interactive interfaces?

NocoDB turns database tables into spreadsheet-like views, supports multiple view types, and automatically generates REST APIs from database data. Check out NocoDB

5. What are the benefits of using Saltcorn for app development?

Saltcorn offers a visual drag-and-drop interface for creating customizable web and mobile applications, with support for multiple data sources. Learn more about Saltcorn

6. Why is UI Bakery suited for workflow automation?

UI Bakery provides a drag-and-drop builder, workflow automation, and Git integration, making it effective for internal tools with complex automation needs. Discover UI Bakery

7. How can Node-RED be used in application development?

Node-RED offers a flow-based programming interface for connecting hardware devices, APIs, and online services, and can be utilized for backend and automation tasks. Explore Node-RED

8. What makes Joget ideal for workflow management?

Joget features a robust workflow engine, form builder, and integration capabilities, making it excellent for process automation and building custom business apps. Learn more about Joget

9. How does Convertigo support enterprise-level application development?

Convertigo focuses on cross-platform development, data integration, and security, making it suitable for building complex, multi-device applications. Discover Convertigo

10. What advantages does Rintagi offer for customized applications?

Rintagi focuses on stakeholder management and security, offering an app store with ready-made applications that can be customized to fit specific needs. Explore Rintagi

About the Author

Violetta Bonenkamp, also known as MeanCEO, is an experienced startup founder with an impressive educational background including an MBA and four other higher education degrees. She has over 20 years of work experience across multiple countries, including 5 years as a solopreneur and serial entrepreneur. She’s been living, studying and working in many countries around the globe and her extensive multicultural experience has influenced her immensely.

Violetta is a true multiple specialist who has built expertise in Linguistics, Education, Business Management, Blockchain, Entrepreneurship, Intellectual Property, Game Design, AI, SEO, Digital Marketing, cyber security and zero code automations. Her extensive educational journey includes a Master of Arts in Linguistics and Education, an Advanced Master in Linguistics from Belgium (2006-2007), an MBA from Blekinge Institute of Technology in Sweden (2006-2008), and an Erasmus Mundus joint program European Master of Higher Education from universities in Norway, Finland, and Portugal (2009).

She is the founder of Fe/male Switch, a startup game that encourages women to enter STEM fields, and also leads CADChain, and multiple other projects like the Directory of 1,000 Startup Cities with a proprietary MeanCEO Index that ranks cities for female entrepreneurs. Violetta created the "gamepreneurship" methodology, which forms the scientific basis of her startup game. She also builds a lot of SEO tools for startups. Her achievements include being named one of the top 100 women in Europe by EU Startups in 2022 and being nominated for Impact Person of the year at the Dutch Blockchain Week. She is an author with Sifted and a speaker at different Universities. Recently she published a book on Startup Idea Validation the right way: from zero to first customers and beyond and launched a Directory of 1,500+ websites for startups to list themselves in order to gain traction and build backlinks.

For the past several years Violetta has been living between the Netherlands and Malta, while also regularly traveling to different destinations around the globe, usually due to her entrepreneurial activities. This has led her to start writing about different locations and amenities from the POV of an entrepreneur. Here’s her recent article about the best hotels in Italy to work from.

About the Publication

Fe/male Switch is an innovative startup platform designed to empower women entrepreneurs through an immersive, game-like experience. Founded in 2020 during the pandemic "without any funding and without any code," this non-profit initiative has evolved into a comprehensive educational tool for aspiring female entrepreneurs.The platform was co-founded by Violetta Shishkina-Bonenkamp, who serves as CEO and one of the lead authors of the Startup News branch.

Mission and Purpose

Fe/male Switch Foundation was created to address the gender gap in the tech and entrepreneurship space. The platform aims to skill-up future female tech leaders and empower them to create resilient and innovative tech startups through what they call "gamepreneurship". By putting players in a virtual startup village where they must survive and thrive, the startup game allows women to test their entrepreneurial abilities without financial risk.

Key Features

The platform offers a unique blend of news, resources,learning, networking, and practical application within a supportive, female-focused environment:

Skill Lab: Micro-modules covering essential startup skills
Virtual Startup Building: Create or join startups and tackle real-world challenges
AI Co-founder (PlayPal): Guides users through the startup process
SANDBOX: A testing environment for idea validation before launch
Wellness Integration: Virtual activities to balance work and self-care
Marketplace: Buy or sell expert sessions and tutorials

Impact and Growth

Since its inception, Fe/male Switch has shown impressive growth:

3,000+ female entrepreneurs in the community
100+ startup tools built
5,000+ pieces of articles and news written

Partnerships

Fe/male Switch has formed strategic partnerships to enhance its offerings. In January 2022, it teamed up with global website builder Tilda to provide free access to website building tools and mentorship services for Fe/male Switch participants.

Recognition

Fe/male Switch has received media attention for its innovative approach to closing the gender gap in tech entrepreneurship. The platform has been featured in various publications highlighting its unique "play to learn and earn" model.