Flink vs Polr
A side-by-side comparison of two self-hosted url shorteners options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Flink
Create QR Codes, embeddable link previews for your website and
VS
Polr
Quick, modern and open-source link shortener
| Feature | Flink | Polr |
|---|---|---|
| Category | URL Shorteners | URL Shorteners |
| License | MIT | GPL-2.0 |
| Language | Docker | PHP |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker | docker, bare-metal |
| GitHub stars | — | ★ 5,097 |
| First released | 2020 | 2014 |
| Replaces | — | Bitly |
Why pick each one
Choose Flink if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Written in Docker
- Lightweight — runs in 512 MB RAM
Choose Polr if…
- Released under the GPL-2.0 license
- First-class Docker support for quick deployment
- Mature project with 5.1k GitHub stars
- Written in PHP
Frequently asked questions
Is Flink or Polr better?
Neither is universally better. Polr has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Flink and Polr free and open-source?
Yes. Flink is licensed under MIT and Polr under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Flink and Polr with Docker?
Flink: yes. Polr: yes.