head to head · open source
authelia vs slink
authelia has 29,145 GitHub stars, 1,500 forks, 137 open issues and last shipped yesterday. slink has 1,592 stars, 48 forks, 18 open issues and last shipped 4 days ago. authelia leads on adoption by 1,731% (29,145 vs 1,592 stars). authelia is written in Go under Apache-2.0; slink is written in PHP under AGPL-3.0. authelia has attracted 5% as many forks as stars, slink 3%. authelia was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (docker), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| authelia | slink | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 1.6K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | PHP |
| Last push | 2026-09-30 | 2026-09-27 |
| Forks | ⑂ 1.5K | ⑂ 48 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick authelia if
- You weight community size — 29K 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 slink if
- You want the slink feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches PHP
- You evaluated both and slink fits your workflow better
About authelia
Authelia is an open source authentication and authorization server written in Go that provides single sign on and multi factor authentication for web applications through a web portal, aimed at self hosters and platform teams who need to protect services sitting behind a reverse proxy.
read the full authelia overview →
About slink
Slink is a self hosted image hosting and sharing platform — an AGPL 3.0 licensed Imgur alternative built with Symfony and SvelteKit — for homelab operators, developers, artists and teams who want private links, collections, screenshot uploads and optional single sign on under their own control.
read the full slink overview →
More in Security & Privacy
Related comparisons
More Identity & Access Management (IAM) projects
Compare either of these against the rest of the Identity & Access Management (IAM) field.
Frequently asked questions
Is authelia or slink more popular?
authelia has 29,145 GitHub stars and slink has 1,592. authelia has the larger community by that measure.
Are authelia and slink free?
Both are open source. authelia is licensed under Apache-2.0 and slink under AGPL-3.0. Neither carries a licence fee.
What is the difference between authelia and slink?
authelia is written in Go and slink in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, authelia or slink?
Choose authelia if you want the larger community (29,145 stars) or its Apache-2.0 licence terms. Choose slink if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.