head to head · open source
Polar vs rotki
Polar has 10,454 GitHub stars, 811 forks, 141 open issues and last shipped yesterday. rotki has 4,072 stars, 783 forks, 395 open issues and last shipped yesterday. Polar leads on adoption by 157% (10,454 vs 4,072 stars). Polar is written in Python under Apache-2.0; rotki is written in Python under AGPL-3.0. Polar has attracted 8% as many forks as stars, rotki 19%. Polar 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
| Polar | rotki | |
|---|---|---|
| GitHub stars | ★ 10K | ★ 4.1K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 811 | ⑂ 783 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Polar if
- You weight community size — 10K 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 rotki if
- You want the rotki feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and rotki fits your workflow better
About Polar
Website • Docs • API Reference Polar: A billing platform for the intelligence era Turn usage into revenue. Polar is the financial layer for a new generation of intelligent software, built for AI startups that need to charge for tokens, agents, and compute without building billing infrastructure from scratch. Ship any pricing model in an afternoon. Usage billing, subscriptions, seats, credits, trials, and discounts. Compose them however your product charges. Meter what matters. Bill tokens, API calls, agent runs, GPU seconds, and storage with precision down to the event. Checkouts that convert , realtime metrics…
read the full Polar overview →
About rotki
rotki: The Opensource, Self Hosted Portfolio Manager A privacy focused portfolio manager, accounting, and analytics tool. 📌 Table of Contents 📖 Overview ✨ Features 🔧 Requirements 🚀 Installation 📘 Usage 📜 Changelog 🤝 Contribute 📢 Get in Touch 💰 Donations 📄 License 📖 Overview rotki is an opensource self hosted portfolio management tool that puts privacy first. Unlike most competitors, which are closed source SaaS platforms requiring you to hand over sensitive financial data, rotki keeps your data encrypted and stored locally ensuring you stay in control. Our mission is to bring transparency to the…
read the full rotki overview →
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Frequently asked questions
Is Polar or rotki more popular?
Polar has 10,454 GitHub stars and rotki has 4,072. Polar has the larger community by that measure.
Are Polar and rotki free?
Both are open source. Polar is licensed under Apache-2.0 and rotki under AGPL-3.0. Neither carries a licence fee.
What is the difference between Polar and rotki?
Polar is written in Python and rotki in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Polar or rotki?
Choose Polar if you want the larger community (10,454 stars) or its Apache-2.0 licence terms. Choose rotki if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.