head to head · open source
kotaemon vs rikkahub
kotaemon has 25,849 GitHub stars, 2,164 forks, 247 open issues and last shipped 4 months ago. rikkahub has 8,606 stars, 847 forks, 282 open issues and last shipped yesterday. kotaemon leads on adoption by 200% (25,849 vs 8,606 stars). kotaemon is written in Python under Apache-2.0; rikkahub is written in Kotlin under AGPL-3.0. kotaemon has attracted 8% as many forks as stars, rikkahub 10%. rikkahub 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
| kotaemon | rikkahub | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 8.6K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | Kotlin |
| Last push | 2026-07-14 | 2026-11-02 |
| Forks | ⑂ 2.2K | ⑂ 847 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick kotaemon if
- You weight community size — 26K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick rikkahub if
- You want the rikkahub feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Kotlin
- You evaluated both and rikkahub fits your workflow better
About kotaemon
kotaemon An open source clean & customizable RAG UI for chatting with your documents. Built with both end users and developers in mind. Live Demo 1 Live Demo 2 Online Install Colab Notebook (Local RAG) User Guide Developer Guide Feedback Contact Introduction This project serves as a functional RAG UI for both end users who want to do QA on their documents and developers who want to build their own RAG pipeline. For end users Clean & Minimalistic UI : A user friendly interface for RAG based QA. Support for Various LLMs : Compatible with LLM API providers (OpenAI, AzureOpenAI, Cohere, etc.) and local LLMs (via…
read the full kotaemon overview →
About rikkahub
RikkaHub A native Android LLM chat client that supports switching between different providers for conversations 🤖💬 Click to join our Discord server 👉 【RikkaHub】 简体中文 繁體中文 English 🚀 Download 🔗 Download from Website (Recommended) 🔗 Download from Google Play [!WARNING] There are many forked versions of RikkaHub. Issues with forks are unrelated to RikkaHub, so please use forks with caution to avoid privacy leaks or excessive permission requests. 💖 Sponsors ✨ Features 🎨 Material You Design and 🌙 Dark mode 📦 Workspace: a proot based Linux agent environment 🔄 Multiple AI Provider Support: custom API / URL /…
read the full rikkahub overview →
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Frequently asked questions
Is kotaemon or rikkahub more popular?
kotaemon has 25,849 GitHub stars and rikkahub has 8,606. kotaemon has the larger community by that measure.
Are kotaemon and rikkahub free?
Both are open source. kotaemon is licensed under Apache-2.0 and rikkahub under AGPL-3.0. Neither carries a licence fee.
What is the difference between kotaemon and rikkahub?
kotaemon is written in Python and rikkahub in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, kotaemon or rikkahub?
Choose kotaemon if you want the larger community (25,849 stars) or its Apache-2.0 licence terms. Choose rikkahub if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.