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pg_activity vs Percona Monitoring and Management: catalog facts
pg_activity	Percona Monitoring and Management
Free Free and open source, maintained by Dalibo.	Free Free and open source; Percona sells support separately.
macOS, Linux, Command line	Web, Self-hosted
Live, top-style view of PostgreSQL activity Runs in a terminal over SSH	Covers MySQL, PostgreSQL and MongoDB in one tool Query analytics and alerting
Only supports PostgreSQL Shows current activity rather than long-term history	Requires running and maintaining a server Backup features cover MySQL and MongoDB only
Downloadable app	Self-hosted
Open source	Open source
License: PostgreSQL	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.