head to head · open source
juicefs vs FlyEnv
juicefs has 14,642 GitHub stars, 1,339 forks, 203 open issues and last shipped yesterday. FlyEnv has 3,333 stars, 390 forks, 37 open issues and last shipped 3 days ago. juicefs leads on adoption by 339% (14,642 vs 3,333 stars). juicefs is written in Go under Apache-2.0; FlyEnv is written in TypeScript under BSD-3-Clause. juicefs has attracted 9% as many forks as stars, FlyEnv 12%. juicefs 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
| juicefs | FlyEnv | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 3.3K |
| License | Apache-2.0 | BSD-3-Clause |
| Written in | Go | TypeScript |
| Last push | 2026-11-04 | 2026-11-02 |
| Forks | ⑂ 1.3K | ⑂ 390 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick juicefs if
- You weight community size — 15K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick FlyEnv if
- You want the FlyEnv feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches TypeScript
- You evaluated both and FlyEnv fits your workflow better
About juicefs
JuiceFS is a high performance POSIX file system released under Apache License 2.0, particularly designed for the cloud native environment. The data, stored via JuiceFS, will be persisted in Object Storage (e.g. Amazon S3) , and the corresponding metadata can be persisted in various compatible database engines such as Redis, MySQL, and TiKV based on the scenarios and requirements. With JuiceFS, massive cloud storage can be directly connected to big data, machine learning, artificial intelligence, and various application platforms in production environments. Without modifying code, the massive cloud storage can be…
read the full juicefs overview →
About FlyEnv
FlyEnv Run Your Complete Local Development Stack Natively FlyEnv is a native local development environment for Windows, macOS, and Linux. A modern alternative to XAMPP, MAMP, Laragon, and Laravel Herd — built for more than PHP. Manage PHP, Node.js, Python, Java, Go, databases, web servers, local sites, HTTPS, AI coding tools, and MCP from one desktop app. Download · Demos · Quick Start · Website Why FlyEnv? FlyEnv brings the local development tools you normally manage separately into one native desktop workspace. No container setup required for everyday local development — run installed services directly on your…
read the full FlyEnv overview →
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Frequently asked questions
Is juicefs or FlyEnv more popular?
juicefs has 14,642 GitHub stars and FlyEnv has 3,333. juicefs has the larger community by that measure.
Are juicefs and FlyEnv free?
Both are open source. juicefs is licensed under Apache-2.0 and FlyEnv under BSD-3-Clause. Neither carries a licence fee.
What is the difference between juicefs and FlyEnv?
juicefs is written in Go and FlyEnv 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, juicefs or FlyEnv?
Choose juicefs if you want the larger community (14,642 stars) or its Apache-2.0 licence terms. Choose FlyEnv if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.