HyperDX (DataDog like tool) - https://www.hyperdx.io/ - uses OpenTelemetry natively
Text content linter - https://vale.sh/
- Healthchecks.io - cronjob monitoring
- https://www.openstatus.dev/ - site/api uptime monitoring tool
- Dotenv Vault - https://www.dotenv.org/ - great for larger teams and .env file mgmt