head to head · open source
katana vs finvizfinance
katana has 17,794 GitHub stars, 1,215 forks, 23 open issues and last shipped 2 days ago. finvizfinance has 1,760 stars, 288 forks, 2 open issues and last shipped 2 months ago. katana leads on adoption by 911% (17,794 vs 1,760 stars). katana is written in Go under MIT; finvizfinance is written in Python under MIT. katana has attracted 7% as many forks as stars, finvizfinance 16%. katana 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
| katana | finvizfinance | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 1.8K |
| License | MIT | MIT |
| Written in | Go | Python |
| Last push | 2026-11-03 | 2026-08-29 |
| Forks | ⑂ 1.2K | ⑂ 288 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick katana if
- You weight community size — 18K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick finvizfinance if
- You want the finvizfinance feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and finvizfinance fits your workflow better
About katana
A next generation crawling and spidering framework Features • Installation • Usage • Scope • Config • Filters • Join Discord Features Fast And fully configurable web crawling Standard and Headless mode JavaScript parsing / crawling Customizable automatic form filling Scope control Preconfigured field / Regex Knowledge base ML page type / form classification (auto downloaded model) Customizable output Preconfigured fields INPUT STDIN , URL and LIST OUTPUT STDOUT , FILE and JSON Installation katana requires Go 1.26+ to install successfully. If you encounter any installation issues, we recommend trying with the…
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About finvizfinance
finvizfinance finvizfinance is a package which collects financial information from FinViz website. The package provides the information of the following: Stock charts, fundamental & technical information, insider information and stock news Forex charts and performance Crypto charts and performance Screener and Group provide dataframes for comparing stocks according to different filters and trading signals. Docs: Downloads To download the latest version from GitHub: Or install from PyPi: Quote Getting information (fundament, description, outer rating, stock news, inside trader) of an individual stock. Chart…
read the full finvizfinance overview →
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Frequently asked questions
Is katana or finvizfinance more popular?
katana has 17,794 GitHub stars and finvizfinance has 1,760. katana has the larger community by that measure.
Are katana and finvizfinance free?
Both are open source. katana is licensed under MIT and finvizfinance under MIT. Neither carries a licence fee.
What is the difference between katana and finvizfinance?
katana is written in Go and finvizfinance 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, katana or finvizfinance?
Choose katana if you want the larger community (17,794 stars) or its MIT licence terms. Choose finvizfinance if its feature set, stack or MIT licence fits better. Both are self-hostable.