head to head · open source
ERPNext vs OpenBudgeteer
ERPNext has 40,868 GitHub stars, 13,377 forks, 1,822 open issues and last shipped yesterday. OpenBudgeteer has 974 stars, 64 forks, 15 open issues and last shipped 3 days ago. ERPNext leads on adoption by 4,096% (40,868 vs 974 stars). ERPNext is written in Python under GPL-3.0; OpenBudgeteer is written in C# under AGPL-3.0. ERPNext has attracted 33% as many forks as stars, OpenBudgeteer 7%. ERPNext was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (accounting), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ERPNext | OpenBudgeteer | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 974 |
| License | GPL-3.0 | AGPL-3.0 |
| Written in | Python | C# |
| Last push | 2026-11-02 | 2026-10-31 |
| Forks | ⑂ 13K | ⑂ 64 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ERPNext if
- You weight community size — 41K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick OpenBudgeteer if
- You want the OpenBudgeteer feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches C#
- You evaluated both and OpenBudgeteer fits your workflow better
About ERPNext
ERPNext Powerful, Intuitive and Open Source ERP Live Demo Website Documentation ERPNext 100% Open Source ERP System to help you run your business. Motivation Running a business is a complex task handling invoices, tracking stock, managing personnel, and other daily operations. In a market where software is sold separately to manage each of these tasks, ERPNext does all of the above and more, for free. Key Features Accounting : All the tools you need to manage cash flow in one place, right from recording transactions to summarizing and analyzing financial reports. Order Management : Track inventory levels…
read the full ERPNext overview →
About OpenBudgeteer
OpenBudgeteer is a budgeting app based on the Bucket Budgeting Principle and inspired by YNAB and Buckets. The Core is based on .NET and the MVVM Pattern, the Front End uses Blazor Server. Documentation Within the Documentation you will find all the details how to install and setup OpenBudgeteer and how it is used. Some sections are still WIP but you should find the most important things that were previously maintained here in the README. Quick Start For a quick ramp up up of OpenBudgeteer using Docker and MariaDB see here. Screenshots
read the full OpenBudgeteer overview →
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Frequently asked questions
Is ERPNext or OpenBudgeteer more popular?
ERPNext has 40,868 GitHub stars and OpenBudgeteer has 974. ERPNext has the larger community by that measure.
Are ERPNext and OpenBudgeteer free?
Both are open source. ERPNext is licensed under GPL-3.0 and OpenBudgeteer under AGPL-3.0. Neither carries a licence fee.
What is the difference between ERPNext and OpenBudgeteer?
ERPNext is written in Python and OpenBudgeteer in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ERPNext or OpenBudgeteer?
Choose ERPNext if you want the larger community (40,868 stars) or its GPL-3.0 licence terms. Choose OpenBudgeteer if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.