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timeplus-io / proton
Author description: The fastest unified streaming SQL Engine in a single C++ binary. ⚡ Millisecond latency. 100+ GB/s throughput. Continuously compute stateful context from streams, logs, metrics, events, and CDC.
GreptimeTeam / greptimedb
The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.
Popularity
Repository stars2,2816,790Highest
Fork112577Highest
Maintenance
Last push2026-10-302026-11-06
Maintenance notesNot verifiedNot verified
Repository created2023-08-142022-04-11
License & use
LicenseApache-2.0 · PermissiveApache-2.0 · Permissive
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeObservabilityObservability · Self-hosted services
TypeFrameworks & SDKsFrameworks & SDKs
SubcategoryStorage & messagingStorage & messaging
PlatformNot verifiedNot verified
First collected2026-11-032026-11-03
LanguageC++Rust
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Measured at 2026-11-06 UTC