head to head · open source
novu vs probo
novu has 40,249 GitHub stars, 4,522 forks, 105 open issues and last shipped yesterday. probo has 1,493 stars, 245 forks, 93 open issues and last shipped yesterday. novu leads on adoption by 2,596% (40,249 vs 1,493 stars). novu is written in TypeScript under a custom or non-standard licence; probo is written in Go under MIT. novu has attracted 11% as many forks as stars, probo 16%. novu 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 | probo | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 1.5K |
| License | Custom / other | MIT |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.5K | ⑂ 245 |
| 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 probo if
- You want the probo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and probo 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 probo
Probo Open source GRC platform for engineers. Probo is a self hostable governance, risk, and compliance (GRC) platform built for engineering and security teams. It covers the full GRC lifecycle: risk identification, control tracking, vendor risk, data privacy, access reviews, audit programs, and document approval workflows. Every entity is accessible through a web console, a CLI, a Model Context Protocol (MCP) API, and a GraphQL API, so you can automate compliance work from code, scripts, or any LLM agent. Why Probo? AI native by design. 270+ MCP tools expose every entity and operation. Any MCP compatible LLM…
read the full probo overview →
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Frequently asked questions
Is novu or probo more popular?
novu has 40,249 GitHub stars and probo has 1,493. novu has the larger community by that measure.
Are novu and probo free?
Both are open source. novu has no licence declared in this registry, and probo is licensed under MIT. Both are free to self-host.
What is the difference between novu and probo?
novu is written in TypeScript and probo 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 probo?
Choose novu if you want the larger community (40,249 stars) or its Custom / other licence terms. Choose probo if its feature set, stack or MIT licence fits better. Both are self-hostable.