Last week we zoomed in on the on-call vertical and found that three of three self-host PagerDuty alternatives we recommend are not alive. Today we're zooming in on the opposite end of the SaaS market — link-in-bio landing pages. The same data exercise; a totally different failure mode. On our /linktree/ page we list three self-hostable replacements: LinkStack , LittleLink , and BioDrop . As of today, two are not alive . The third has held on at 82 days since its last commit — eight days short of our 90-day "stale" line. That's not the headline. The headline is why this category looks the way it does. On-call OSS is dying because well-funded vendors are killing it. Link-in-bio OSS is dying because nobody bothered.…