CClickHouse, Inc. · Analytical engines & OLAP
In-depth entry Open-source columnar OLAP database server for fast aggregations over billions of rows, with MergeTree storage, SQL and a managed ClickHouse Cloud
Apache-2.0Open sourceFreeLocalSelf-hostedNov 2, 2026 GGrafana Labs · Monitoring & observability
In-depth entry Dashboarding and alerting platform that visualizes metrics, logs and traces from Prometheus, SQL databases and dozens of other data sources
AGPL-3.0-onlyOpen sourceFreemiumSelf-hostedNov 2, 2026 PKeymetrics (Unitech) · Infrastructure & provisioning
In-depth entry Production process manager for Node.js and other long-running programs with cluster mode, log handling, restart policies and boot-time startup scripts
AGPL-3.0-onlyOpen sourceFreeLocalSelf-hostedNov 2, 2026