pg_activity is a top like application for PostgreSQL server activity
The Corosync Cluster Engine
The Pi-hole FTL engine
sp_whoisactive
NoSQL database that uses RocksDB as storage engine
Open-source distributed computation and storage platform
Identify sizes of memory modules installed on most UNIX-based systems
a pluggable app that runs a full check on the deployment
Visibility into servers, applications, and infrastructure
Benchmark CPU, GPU, memory, and storage
AIX, Linux, VMware, Nutanix, Oracle, RHV, Cloud performance monitoring
Multi-platform disk cataloguing utility written in java.
SpiceDB is the open source, Zanzibar-inspired authorization system
Postgres wire compatible SQLite proxy
Logging utility for DB2 for LUW written in SQL-PL
Breeze::OS Linux/BSD distribution
Active, high-performance open source database middleware
Super Nintendo (SNES) emulator focused on performance, features
DBLX3 Relational Database System
Small Database Management System
Real time monitoring for embedded devices
Raspberry Web Server OS Raspbian Stretch / 9