head to head · open source
Hoppscotch vs arex-agent-java
Hoppscotch has 80,724 GitHub stars, 6,225 forks, 820 open issues and last shipped 3 days ago. arex-agent-java has 572 stars, 143 forks, 74 open issues and last shipped 2 months ago. Hoppscotch leads on adoption by 14,013% (80,724 vs 572 stars). Hoppscotch is written in TypeScript under MIT; arex-agent-java is written in Java under Apache-2.0. Hoppscotch has attracted 8% as many forks as stars, arex-agent-java 25%. Hoppscotch was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api-testing), 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
| Hoppscotch | arex-agent-java | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 572 |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-10-31 | 2026-09-02 |
| Forks | ⑂ 6.2K | ⑂ 143 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Hoppscotch if
- You weight community size — 81K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick arex-agent-java if
- You want the arex-agent-java feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and arex-agent-java fits your workflow better
About Hoppscotch
Hoppscotch Open Source API Development Ecosystem Built with ❤︎ by contributors We highly recommend you take a look at the Hoppscotch Documentation to learn more about the app. Support Features ❤️ Lightweight: Crafted with minimalistic UI design. ⚡️ Fast: Send requests and get responses in real time. 🗄️ HTTP Methods: Request methods define the type of action you are requesting to be performed. GET Requests retrieve resource information POST The server creates a new entry in a database PUT Updates an existing resource PATCH Very similar to PUT but makes a partial update on a resource DELETE Deletes resource or…
read the full Hoppscotch overview →
About arex-agent-java
AREX An Open Source Testing Framework with Real World Data Introduction Building Getting Started Contributing License Introduction As your application evolves more complex, the effort required to thoroughly test against it also becomes tremendous. Arex is a framework designed around a quite straightforward principle of leveraging your real world data(i.e. database record, service payload, cache items etc.) for regression testing. Simple is powerful. The idea behind makes it incredibly powerful. AREX provides an out of box agent file that could be attached to any applications with Java 8+ and dynamically weaves…
read the full arex-agent-java overview →
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Frequently asked questions
Is Hoppscotch or arex-agent-java more popular?
Hoppscotch has 80,724 GitHub stars and arex-agent-java has 572. Hoppscotch has the larger community by that measure.
Are Hoppscotch and arex-agent-java free?
Both are open source. Hoppscotch is licensed under MIT and arex-agent-java under Apache-2.0. Neither carries a licence fee.
What is the difference between Hoppscotch and arex-agent-java?
Hoppscotch is written in TypeScript and arex-agent-java in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Hoppscotch or arex-agent-java?
Choose Hoppscotch if you want the larger community (80,724 stars) or its MIT licence terms. Choose arex-agent-java if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.