etcd-io/etcd
Distributed reliable key-value store for the most critical data of a distributed system
What it does
etcd is a highly reliable storage system that keeps critical configuration and coordination data safe across multiple servers simultaneously, so that if one server fails, the data is never lost or corrupted. Think of it as a super-reliable shared notepad that dozens of servers can all read from and write to at the same time, always staying perfectly in sync.
Why it matters for PMs
etcd is the backbone of Kubernetes, the dominant platform for running modern cloud software, meaning it quietly underpins a huge portion of today's cloud infrastructure and SaaS products. Any company building on cloud-native infrastructure is likely depending on etcd without realizing it, making its stability and adoption a strong signal of where enterprise infrastructure investment is headed.
Early stage — limited signal data
Score updated Feb 18, 2026
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