Top 10 Open Source Alternatives to Expensify in 2025

2025 offers a plethora of open-source expense management solutions that serve as robust alternatives to Expensify. Whether you're a small business, freelancer, or a larger enterprise, there's an option to fit your needs and budget. Here are the top 10 open-source alternatives to Expensify, each with unique features and capabilities.

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1. Invoice Ninja

Description: A free, open-source platform for invoicing and expense management. It aims to streamline the process of managing earnings, expenses, clients, and vendors.
Features: Includes invoicing, expense tracking, client management, vendor management, multiple currency support, and customizable templates.
Open Source: Yes, with a GitHub repository for community contributions.
Self-Hosted: Can be self-hosted on your own server or cloud.
Mobile Apps: Available mobile apps for iOS and Android.
Languages: Supports multiple languages. Learn more about Invoice Ninja

2. Odoo

Description: A comprehensive open-source ERP system with a range of modules, including a robust expense management app.
Modules: Offers a wide variety of business modules, including CRM, sales, inventory, and of course, expenses.
Open Source: Community edition is open source, an enterprise version with extra features is available for a fee.
Customizable: Highly customizable via Odoo Studio and a large community of developers and available apps.
Scalability: Suitable for small businesses to large enterprises.
Hosting: Self-hosting or Odoo's cloud platform are both options. Discover Odoo

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3. Skrooge

Description: A free, open-source personal finance manager that's also suitable for tracking business expenses for small businesses and freelancers.
Platform: Built on KDE foundations and runs on Linux, BSD, Solaris, Windows, and macOS.
Features: Allows detailed management of transactions, accounts, and categories with bookmarking, graphing, and reporting.
Customization: Allows addition of specific properties on all objects like transactions, accounts, categories, etc.
Open Source: Yes, free to use, distribute, and modify.
Focus: Specifically designed for personal and small business finance management with a focus on analysis.

4. Money Manager Ex

Description: A free, open-source, cross-platform personal finance manager, which can also be used for business expense management.
Cross-Platform: Runs on Windows, macOS, and Linux.
Features: Offers a wide range of features for tracking expenses and financial transactions with reporting tools.
Open Source: Yes, free to download and use with no costs.
User Friendly: Designed to be simple and easy to use, while still providing robust functionality.
Focus: Primarily designed for personal finance management, but features are useful for small business expense tracking.

5. My Expenses

Description: An open-source finance tracking app for Android, useful for managing expenses.
Platform: Primarily an Android mobile application.
Features: Allows adding attachments or taking photos of receipts for transactions.
Open Source: Yes, available on open source platforms like GitHub.
Limitations: Some features are behind a paywall.
Mobile Focus: Built specifically for expense tracking on mobile devices.

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6. GnuCash

Description: A free, open-source accounting program that can handle both personal and small business finances.
Customization: Highly customizable, suitable for businesses needing unique setups.
Open Source: Yes, free to use and modify.
Features: Includes budgeting tools, financial reporting, and double-entry accounting features.
Platforms: Available on Linux, Windows, macOS, and other platforms.
Community: Backed by a strong community of users and developers. Discover GnuCash

7. Firefly III

Description: A free, open-source personal finance manager, but can be adapted for business expense tracking.
Self-Hosted: Designed to be self-hosted on your server.
Open Source: Yes, with source code available on GitHub.
Features: Includes budgeting, recurring transactions, reports, and multiple user support.
Focus: Primarily for personal use, but with features that extend to simple business use.
Customizable: Highly customizable and extensible through its API. Learn more about Firefly III

8. FOSS Billing

Description: An Open-Source Invoice and Billing application that can also be used to track expenses.
Open Source: Yes, with a source code available.
Features: Invoice management, recurring invoices, expenses tracking, client management, and reporting.
Self-hosted: Designed to be self-hosted.
Focus: Primarily designed for freelancers and small businesses needing a full invoicing and expense management solution.
Mobile: Mobile-friendly web interface.

9. KMyMoney

Description: An open-source personal finance manager that can be used for business.
Open Source: Yes, free to use and modify.
Features: Double-entry accounting, budgeting tools, and financial reporting.
Platforms: Available on Linux, Windows and macOS.
Focus: Primarily designed for personal finance but useful for small businesses.
Flexibility: Handles different currencies and financial accounts. Learn more about KMyMoney

10. HomeBank

Description: A free, open-source personal accounting software with expense tracking capabilities, which can also be used for business.
Open Source: Yes, free to use and modify.
Platforms: Available on Linux, Windows and macOS.
Features: Detailed transaction tracking, reporting, and import capabilities.
Focus: Designed for personal finance, but functional for small business expense management.
User Friendly: Simple and intuitive user interface. Discover HomeBank

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FAQ

1. What are some top open-source alternatives to Expensify for 2025?

Top alternatives include Invoice Ninja, Odoo, and GnuCash. These options offer robust features for expense tracking and management. Explore Invoice Ninja | Discover Odoo | Learn more about GnuCash

2. Does Invoice Ninja support mobile platforms?

Yes, Invoice Ninja has mobile apps available for both iOS and Android, making it convenient to track expenses on the go. Discover more about Invoice Ninja

3. Can I use Odoo for large enterprises?

Yes, Odoo is scalable and suitable for small businesses to large enterprises, offering multiple modules including expense management. Learn more about Odoo

4. Does Skrooge run on Windows?

Yes, Skrooge runs on multiple platforms, including Windows, Linux, BSD, Solaris, and macOS.

5. Is there an open-source cross-platform personal finance manager?

Money Manager Ex is a free, open-source option that runs on Windows, macOS, and Linux.

6. What features does My Expenses offer?

My Expenses offers features like adding attachments or taking photos of receipts for transactions and is designed primarily for Android mobile devices.

7. Is GnuCash suitable for business use?

Yes, GnuCash is highly customizable and includes features like budgeting tools, financial reporting, and double-entry accounting, making it suitable for small business use. Discover GnuCash

8. How is Firefly III hosted?

Firefly III is designed to be self-hosted on your own server, providing features like budgeting, recurring transactions, and multiple user support. Learn more about Firefly III

9. Does FOSS Billing support invoicing?

Yes, FOSS Billing is an open-source application designed for invoicing and billing, including expense tracking and client management.

10. What platforms is HomeBank available on?

HomeBank is available on Linux, Windows, and macOS, offering detailed transaction tracking and reporting suitable for both personal finance and small business expense management. Learn more about HomeBank

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.