head to head · open source
Medusa vs ach
Medusa has 37,059 GitHub stars, 5,487 forks, 194 open issues and last shipped yesterday. ach has 570 stars, 214 forks, 17 open issues and last shipped yesterday. Medusa leads on adoption by 6,402% (37,059 vs 570 stars). Medusa is written in TypeScript under a custom or non-standard licence; ach is written in Go under Apache-2.0. Medusa has attracted 15% as many forks as stars, ach 38%. Medusa was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| Medusa | ach | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 570 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.5K | ⑂ 214 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Medusa if
- You weight community size — 37K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick ach if
- You want the ach feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and ach fits your workflow better
About Medusa
Medusa Documentation Website Building blocks for digital commerce Getting Started The fastest way to get started is with Medusa Cloud. It provides a managed environment optimized for Medusa applications, with automated deployments, scaling, and maintenance. Get started on Medusa Cloud To set up a Medusa application locally, visit the Documentation. About Medusa Medusa is a commerce platform with a built in framework for customization that allows you to build custom commerce applications without reinventing core commerce logic. The framework and modules can be used to support advanced B2B or DTC commerce stores…
read the full Medusa overview →
About ach
Project Documentation · API Endpoints · API Guide · Community · Blog moov io/ach Moov's mission is to give developers an easy way to create and integrate bank processing into their own software products. Our open source projects are each focused on solving a single responsibility in financial services and designed around performance, scalability, and ease of use. ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files following the Nacha standards. ACH is the primary method of electronic money movement throughout the United States. The HTTP server is available in a Docker image…
More in Business Software
Related comparisons
More E-commerce Platforms projects
Compare either of these against the rest of the E-commerce Platforms field.
Frequently asked questions
Is Medusa or ach more popular?
Medusa has 37,059 GitHub stars and ach has 570. Medusa has the larger community by that measure.
Are Medusa and ach free?
Both are open source. Medusa has no licence declared in this registry, and ach is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Medusa and ach?
Medusa is written in TypeScript and ach in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Medusa or ach?
Choose Medusa if you want the larger community (37,059 stars) or its Custom / other licence terms. Choose ach if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.