head to head · open source
mountpoint-s3 vs bigfunctions
mountpoint-s3 has 5,770 GitHub stars, 252 forks, 121 open issues and last shipped 2 days ago. bigfunctions has 759 stars, 70 forks, 31 open issues and last shipped 28 days ago. mountpoint-s3 leads on adoption by 660% (5,770 vs 759 stars). mountpoint-s3 is written in Rust under Apache-2.0; bigfunctions is written in Python under MIT. mountpoint-s3 has attracted 4% as many forks as stars, bigfunctions 9%. mountpoint-s3 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
| mountpoint-s3 | bigfunctions | |
|---|---|---|
| GitHub stars | ★ 5.8K | ★ 759 |
| License | Apache-2.0 | MIT |
| Written in | Rust | Python |
| Last push | 2026-09-18 | 2026-08-23 |
| Forks | ⑂ 252 | ⑂ 70 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick mountpoint-s3 if
- You weight community size — 5.8K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick bigfunctions if
- You want the bigfunctions feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and bigfunctions fits your workflow better
About mountpoint-s3
Mountpoint for Amazon S3 is a simple, high throughput file client that mounts an Amazon S3 bucket as a local file system, written in Rust and released by AWS Labs under the Apache 2.0 licence for developers and operators who need file level access to objects in S3.
read the full mountpoint-s3 overview →
About bigfunctions
BigFunctions is an open source Python framework, released under the MIT licence, for building a governed catalog of BigQuery functions — packaged with a community library of more than 150 functions that can be called directly or redeployed — and it is aimed at data engineers, analysts, and teams working inside Google BigQuery.
read the full bigfunctions overview →
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Frequently asked questions
Is mountpoint-s3 or bigfunctions more popular?
mountpoint-s3 has 5,770 GitHub stars and bigfunctions has 759. mountpoint-s3 has the larger community by that measure.
Are mountpoint-s3 and bigfunctions free?
Both are open source. mountpoint-s3 is licensed under Apache-2.0 and bigfunctions under MIT. Neither carries a licence fee.
What is the difference between mountpoint-s3 and bigfunctions?
mountpoint-s3 is written in Rust and bigfunctions 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, mountpoint-s3 or bigfunctions?
Choose mountpoint-s3 if you want the larger community (5,770 stars) or its Apache-2.0 licence terms. Choose bigfunctions if its feature set, stack or MIT licence fits better. Both are self-hostable.