Scale3 Labs

license

app=AGPL-3.0(OSI, copyleft)

source

public

App is AGPL-3.0 (OSI-approved but strong copyleft, which deters proprietary embedding) and SDKs Apache-2.0; a managed cloud tier exists. Scored open_core/4 rather than 5 given the AGPL copyleft + hosted commercial offering.

• https://github.com/Scale3-Labs/langtrace recorded 2026-06-04

  AGPL-3.0 app license, Apache-2.0 SDKs, OTel-based observability

• https://github.com/Scale3-Labs/langtrace/releases recorded 2026-06-04

  app v4.0.11 release 17 Apr 2026 (active)