head to head · open source
Lightpanda vs f-flow
Lightpanda has 40,882 GitHub stars, 1,999 forks, 98 open issues and last shipped yesterday. f-flow has 541 stars, 66 forks, 10 open issues and last shipped 9 days ago. Lightpanda leads on adoption by 7,457% (40,882 vs 541 stars). Lightpanda is written in Zig under AGPL-3.0; f-flow is written in TypeScript under MIT. Lightpanda has attracted 5% as many forks as stars, f-flow 12%. Lightpanda 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
| Lightpanda | f-flow | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 541 |
| License | AGPL-3.0 | MIT |
| Written in | Zig | TypeScript |
| Last push | 2026-11-02 | 2026-10-25 |
| Forks | ⑂ 2.0K | ⑂ 66 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Lightpanda if
- You weight community size — 41K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Zig
- You value the larger contributor base for long-term maintenance
pick f-flow if
- You want the f-flow feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and f-flow fits your workflow better
About Lightpanda
Lightpanda Browser The headless browser built from scratch for AI agents and automation. Not a Chromium fork. Not a WebKit patch. A new browser, written in Zig.   Benchmarks Requesting 933 real web pages over the network on a AWS EC2 m5.large instance. See benchmark details. Quick start Install Package Managers Latest nightly from Homebrew: Latest nightly from Arch Linux User Repository: Download from the nightly builds You can download the last binary from the nightly builds for Linux and MacOS for both x86 64 and aarch64. For Linux Verify the binary before running anything: Linux aarch64 is also available…
read the full Lightpanda overview →
About f-flow
Foblex Flow The most adopted node editor library for Angular — for production workflow builders, AI pipelines, and interactive diagram editors. Foblex Flow ships the hard parts of a production node editor — drag logic, hit testing, SVG connection paths, reassign, selection, zoom, and undo/redo — as Angular native building blocks. Begin with f flow , f canvas , nodes, and connections, then add richer editor features only when your product needs them. It powers production products such as Luware Nimbus, ProcessMIX, XpertAI, and EpicStaff. Use it to create workflow builders, AI low code tools, call flow editors…
read the full f-flow overview →
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Frequently asked questions
Is Lightpanda or f-flow more popular?
Lightpanda has 40,882 GitHub stars and f-flow has 541. Lightpanda has the larger community by that measure.
Are Lightpanda and f-flow free?
Both are open source. Lightpanda is licensed under AGPL-3.0 and f-flow under MIT. Neither carries a licence fee.
What is the difference between Lightpanda and f-flow?
Lightpanda is written in Zig and f-flow in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Lightpanda or f-flow?
Choose Lightpanda if you want the larger community (40,882 stars) or its AGPL-3.0 licence terms. Choose f-flow if its feature set, stack or MIT licence fits better. Both are self-hostable.