Technology Radar
Published : Apr 15, 2026
NOT ON THE CURRENT EDITION
This blip is not on the current edition of the Radar. If it was on one of the last few editions, it is likely that it is still relevant. If the blip is older, it might no longer be relevant and our assessment might be different today. Unfortunately, we simply don't have the bandwidth to continuously review blips from previous editions of the Radar.
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Apr 2026
Assess
ClickStack is an OpenTelemetry-compatible, open-source observability platform that unifies logs, traces, metrics and sessions in a single high-performance data store built on ClickHouse. As infrastructure grows and observability costs increase, many teams struggle with fragmented telemetry toolchains and expensive vendor platforms. ClickStack addresses this challenge by leveraging ClickHouse’s columnar storage to enable sub-second, high-cardinality queries across large volumes of telemetry data, offering a simpler and more cost-effective foundation for observability.