ONCE (Again)

Short summary

37signals released ONCE, a new application server that runs multiple open-source web apps (Campfire, Writebook, Fizzy) on a single machine with minimal overhead. The pivot from paid licensing to free open-source succeeded with community adoption and contributions. ONCE includes terminal metrics, zero-downtime upgrades, and one-command installation.

• •Pivot from paid per-app model to open-source drove user adoption and community contributions
• •ONCE application server simplifies running multiple apps on a single machine
• •Features include terminal interface metrics, zero-downtime upgrades, and scheduled backups

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