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

As Leanstack continues to be a popular tool for creating and visualizing business models, 2025 has brought forth a wave of powerful open-source alternatives. Whether you're looking for specialized tools, better customizability, or enhanced integration, this article explores the top 10 open-source Leanstack alternatives, comparing them on key data points like features, ease of use, use cases, and collaboration capabilities.

Boost Your SEO by Getting Featured in Our Blogs and get a backlink.

We publish content about startups, education, tech, funding, etc. that ranks well not only in Google but also in Perplexity, ChatGPT, Grok and other AI tools.

👉 Get featured now!

1. QuickCanvas

Open Source: Yes. Licensed under the MIT License.
Features: Web-based, markdown support, drag-and-drop option, sample canvas preloaded.
Ease of Use: Simple and straightforward interface for building Lean Canvases.
Collaboration: Basic, primarily designed for individual use, but you can share screenshots or exported files.
Export Options: Can export to PDF or image.
Learn more about QuickCanvas

2. OpenProject

Open Source: Yes.
Features: Gantt charts, time tracking, team collaboration, agile project management module (Scrum/Kanban).
Scalability: Suited for teams looking for more complex project management.
Use Case: For planning and monitoring progress on projects, with a wide array of functionalities.
Integration: Can be integrated with other systems.
Discover OpenProject

Get your FREE Landing Page Analysis!

Insert your landing page link and get a super useful analysis and easy fixes to get more clicks!

👉 Get Your Analysis Here!

3. Taiga

Open Source: Yes.
Features: Intuitive interface for managing projects using Scrum or Kanban methodologies, issue tracking, sprint planning.
Use Case: Best for agile teams that need to plan, execute, and manage sprints efficiently.
Customization: Flexible setup for different agile workflows and projects.
Collaboration: Allows for team collaboration through task assignment, progress tracking, and discussions.
Learn more about Taiga

4. Focalboard

Open Source: Yes.
Features: Provides kanban-style boards, project tracking, and team collaboration.
Customizability: Flexible and customizable to different workflows.
Use Case: Suited to teams looking for a straightforward project management solution.
Integration: Supports various integrations through plugins and extensions.
Explore Focalboard

5. ToolJet

Open Source: Yes.
Features: Low code development platform that allows connecting to various data sources, build applications and tools that can be used to manage business models and plans, as well as for project management.
Scalability: Suited for startups that need fast development and iteration on their planning tools.
Customization: Highly customizable and supports integrating different functionalities.
Flexibility: Can be used to create custom business planning tools, dashboards, and other resources.
Learn more about ToolJet

Validate your startup idea with the unique borrowed authority approach: we publish articles about your product in our blog and you get traffic and testers for your MVP

Prove Market Demand: See real organic traffic and waitlist conversions

Unlock High-Potential Keywords: Receive a curated list of top-performing keywords directly from Google Search Console data.

Estimate Customer Acquisition Cost (CAC): Gain financial foresight with an estimated CAC based on real keyword performance data.

🔗 Start validating your startup now

6. Archi

Open Source: Yes.
Features: Canvas Modeling Toolkit for designing and creating reusable Canvas templates, cross-platform support.
Use Case: Ideal for enterprise architects or teams looking to structure and visualize different aspects of business strategy.
Customization: Provides tools for creating various canvas templates for different use cases.
Flexibility: Supports different canvas design options and visualization capabilities.
Discover Archi

7. Canvanizer

Open Source: No, but it offers a free tier.
Features: Business Model Canvas templates, including Lean Canvas, real-time collaboration, export options.
Collaboration: Enables multiple users to edit the same canvas simultaneously.
Export Options: Supports exporting to PDF, PNG, and Markdown.
Templates: Offers various templates including SWOT analysis, Lean Canvas, and customer journey maps.
Explore Canvanizer

8. ClickUp

Open Source: No, but it offers a free tier.
Features: A variety of templates for startups including business canvas and startup canvas.
Collaboration: Provides collaboration features for teams and stakeholders.
Use Case: Suitable for planning and designing a complete business model.
Flexibility: Supports different business sizes and industry requirements, with a lot of customization options.
Learn more about ClickUp

9. Miro

Open Source: No, but it offers a free plan.
Features: Wide array of templates, collaboration features, and integrated video chat.
Templates: Offers templates for kanban boards, mind maps, flowcharts, matrixes, and customer journey maps.
Collaboration: Strong real-time collaboration features for remote teams.
Flexibility: Very flexible and easy to use with a variety of use cases in business planning and strategy development.
Discover Miro

10. FinModelsLab Business Model Canvas Templates

Open Source: No. Templates are available for purchase.
Features: Ready-made, customizable templates for different business models, including those for open-source and custom software development.
Use Case: Ideal for entrepreneurs who need a structured format for business planning with specific niches in mind.
Customization: Templates are fully customizable with easy adaptations to various business models.
Detailed Structure: Emphasizes essential factors such as customer engagement, revenue streams, and cost structure.
Explore FinModelsLab Business Model Canvas Templates

Join ElonaHunt (like ProductHunt but for women) and explore the coolest women-focused startups out there!

Discover your next big inspiration and connect with like-minded female entrepreneurs!

👉 Join the Hunt Here

FAQ

1. What is QuickCanvas?

QuickCanvas is a web-based Lean Canvas builder that allows users to create and visualize their Lean Canvas online. It supports markdown, drag-and-drop option, and sample canvas preloaded. Learn more about QuickCanvas

2. What features does OpenProject offer?

OpenProject is an open-source project management tool that offers Gantt charts, time tracking, team collaboration, and agile project management modules such as Scrum and Kanban. Discover OpenProject

3. How can Taiga benefit agile teams?

Taiga is an open-source project management software that caters to agile teams, providing intuitive interfaces for managing projects using Scrum or Kanban, issue tracking, and sprint planning. Explore Taiga

4. What is Focalboard?

Focalboard is an open-source project management tool offering kanban-style boards, project tracking, and team collaboration, ideal for teams seeking a straightforward project management solution. Learn more about Focalboard

5. What is ToolJet used for?

ToolJet is a low-code, open-source platform for building internal business applications, connecting various data sources, and creating custom business planning tools, dashboards, and other resources. Discover ToolJet

6. What is Archi designed for?

Archi is an open-source modeling toolkit for creating ArchiMate models and sketches for enterprise architecture, providing canvas modeling tools for different use cases. Learn more about Archi

7. Is Canvanizer a free tool?

Canvanizer is not fully open-source, but it offers a free tier with business model canvas templates, real-time collaboration, and export options to PDF, PNG, and Markdown. Explore Canvanizer

8. Does ClickUp have business model templates?

ClickUp is not fully open-source but provides a variety of templates for startups, including business canvas and startup canvas, with collaboration features for teams and stakeholders. Learn more about ClickUp

9. How does Miro support collaboration?

Miro is a collaborative online whiteboard platform with real-time collaboration features, a wide array of templates, and integrated video chat, suitable for business planning and strategy development. Discover Miro

10. What does FinModelsLab offer?

FinModelsLab provides ready-made, customizable business model templates designed for specific niches, including those for open-source and custom software development. Explore FinModelsLab

References

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.