head to head · open source
open-design vs keploy
open-design has 105,526 GitHub stars, 12,030 forks, 1,090 open issues and last shipped yesterday. keploy has 19,103 stars, 2,446 forks, 725 open issues and last shipped yesterday. open-design leads on adoption by 452% (105,526 vs 19,103 stars). open-design is written in TypeScript under Apache-2.0; keploy is written in Go under Apache-2.0. open-design has attracted 11% as many forks as stars, keploy 13%. keploy 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.
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Side by side
| open-design | keploy | |
|---|---|---|
| GitHub stars | ★ 106K | ★ 19K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 12K | ⑂ 2.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick open-design if
- You weight community size — 106K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick keploy if
- You want the keploy 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 keploy fits your workflow better
About open-design
OpenDesign: The open source Claude Design alternative ⚡ OpenDesign Cloud — the official model service. One recharge to use both agent and image models inside OpenDesign: GPT, Claude, and DeepSeek for agents; GPT Image 2.0, Seedream 5.0 Pro, and Nano Banana 2.0 for images. 🚀 DeepSeek V4 Flash and V4 Pro are now available. Put top tier intelligence to work across prototypes, decks, design systems, and everyday agent tasks. OpenDesign members can use both models without limits for two weeks, directly inside the app. 🧩 DeepSeek Harness is now supported. Connect DeepSeek's official dsh agent harness to OpenDesign…
read the full open-design overview →
About keploy
⚡️ API tests faster than unit tests, from user traffic ⚡️ 🌟 The must have tool for developers in the AI Gen era for 90% test coverage 🌟 Keploy is a developer‑centric API and integration testing tool that auto‑generates tests and data‑mocks faster than unit tests. It records API calls, database queries, and streaming events — then replays them as tests. Under the hood, Keploy uses eBPF to capture traffic at the network layer, but for you it’s completely code‑less and language‑agnostic . 🐰 Fun fact: Keploy uses itself for testing! Check out our swanky coverage badge: Key Highlights 🎯 No code changes Just run…
read the full keploy overview →
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Frequently asked questions
Is open-design or keploy more popular?
open-design has 105,526 GitHub stars and keploy has 19,103. open-design has the larger community by that measure.
Are open-design and keploy free?
Both are open source. open-design is licensed under Apache-2.0 and keploy under Apache-2.0. Neither carries a licence fee.
What is the difference between open-design and keploy?
open-design is written in TypeScript and keploy 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, open-design or keploy?
Choose open-design if you want the larger community (105,526 stars) or its Apache-2.0 licence terms. Choose keploy if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.