head to head · open source
novu vs keploy
novu has 40,249 GitHub stars, 4,522 forks, 105 open issues and last shipped yesterday. keploy has 19,103 stars, 2,446 forks, 725 open issues and last shipped yesterday. novu leads on adoption by 111% (40,249 vs 19,103 stars). novu is written in TypeScript under a custom or non-standard licence; keploy is written in Go under Apache-2.0. novu 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
| novu | keploy | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 19K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.5K | ⑂ 2.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick novu if
- You weight community size — 40K 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 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 novu
The open source communication infrastructure for agents and products One API and one unified conversation model to connect your products and your agents to every channel your users live on — Inbox, Email, SMS, Push, Chat, Slack, Microsoft Teams, Telegram, and more. Learn More » Report a bug · Docs · Website · Join our Discord · Changelog · Roadmap · X · Contact us Software is becoming more conversational, and user expectations are rising with it. People no longer want static, irrelevant notifications they glance at and forget, they want to engage, ask questions, and go deeper. Instead of a one way report dropped…
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 novu or keploy more popular?
novu has 40,249 GitHub stars and keploy has 19,103. novu has the larger community by that measure.
Are novu and keploy free?
Both are open source. novu has no licence declared in this registry, and keploy is licensed under Apache-2.0. Both are free to self-host.
What is the difference between novu and keploy?
novu 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, novu or keploy?
Choose novu if you want the larger community (40,249 stars) or its Custom / other licence terms. Choose keploy if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.