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Apple Acquires SigScalr Assets Behind Open-Source Observability Tool SigLens

Public EU filings and an archived GitHub repository indicate Apple may fold the project's code and staff into its developer tools.

Overview

  • Apple notified the European Commission that it agreed to buy certain SigScalr assets and offer employment to some SigScalr staff, a transaction recorded in a March 12, 2026 filing now published by the EU.
  • Since the filing was made public, SigScalr’s website has gone offline and the SigLens GitHub repository was archived and set to read-only with its license changed to Apache 2.0.
  • SigLens is an open-source observability platform that collects and analyzes logs, metrics, and traces to help developers monitor and debug distributed apps, and its makers had marketed it as a cost- and performance-competitive alternative to tools like Datadog and Splunk.
  • Apple has made no public statement about product plans or staff moves, and commentators cautiously speculate the technology or personnel could be folded into Apple’s developer tooling such as Xcode rather than remain a standalone public project.
  • The deal was reported under the EU Digital Markets Act, a rule that publishes acquisitions by large platforms after a waiting period, and the move could change how developers debug apps on Apple platforms if the technology is integrated or reworked for internal use.