App.net is shutting down its Twitter-like social platform on March 14 and open sourcing its code
In May of 2014, App.net entered maintenance mode. Kate Bevan / Naked Security : News in brief: new browser launched; social network closes down; cyberattack on health provider Daniel Cooper / Engadget : App.net dies on March 14th, 2017 Aman Jain / ValueWalk : This Twitter Clone Has Announced Its End John Mannes / TechCrunch : App.net, the ambitious project to build a better Twitter, is finally dead Chris Duckett / ZDNet : App.net shutting down once and for all in March Tweets: Reginald DeBraidewad / @raganwald : The right way to go out: “This was a foreseeable risk, but one we felt was worth taking.” http://blog.app.net/...
Context & Ripple Effects
App.net spent nearly three years in maintenance mode before calling it: the subscription-funded alternative to Twitter shut down on March 14, 2017, and released its platform code as open source rather than letting it lapse. The exit follows a pattern in this coverage — Twitter itself retired its iOS and desktop Dashboard management app the same month, and challenger networks kept proving fragile.
The arc runs through later failures too: Path, once reportedly courted by Google at $100M and valued at $500M, closed in 2018, and Post.News shut down in 2024 after failing to grow fast enough. App.net's open-source handoff is the one exit move among them that leaves something behind for developers.
First-order effects
- App.net users and third-party developers lose the service on March 14, but gain the full source code to fork or self-host instead of losing their data and tooling entirely.
Second-order effects
- Rival Twitter challengers face a sharpened credibility test — Post.News later cited insufficient growth at shutdown, and funders of ad-free or subscription social platforms now price in App.net's multi-year maintenance-mode decline as the base case.
Third-order effects
- If the pattern holds, independent social platforms increasingly end not in silence but in open-source release, shifting the durable value from hosted networks to the code and communities that survive the company.
The trend: Venture-backed alternatives to incumbent social networks keep shutting down after years of stagnation, with open-sourcing emerging as the standard dignified exit.