Uptime Kuma is a self-hosted uptime monitor, providing a clean UI for tracking various service types and sending notifications. I find this a robust alternative to cloud-based monitoring solutions.
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DuckDB is an open-source, in-process SQL OLAP database. It's a powerful embedded analytical engine, acting as a direct local alternative to cloud data warehouses like Snowflake for many use cases.
Kubeshark is an API traffic analyzer for Kubernetes, providing essential real-time protocol-level visibility for debugging and monitoring network interactions within K8s clusters.
PgBouncer is my go-to for PostgreSQL connection pooling. It's a lightweight solution that efficiently manages database connections, reducing overhead and improving application performance.
Talos Linux is a dedicated, secure, immutable, and minimal operating system specifically for running Kubernetes nodes. It's API-managed and declarative, eliminating configuration drift and traditional OS overhead like SSH or package managers.
Pritunl is an open-source, self-hosted VPN solution supporting OpenVPN, WireGuard, and IPsec. I see it as a viable alternative to services like Tailscale, offering more control over your VPN infrastructure.
kwatch is a nice little tool I maintain that monitors Kubernetes clusters, detecting app crashes in real-time and sending instant notifications. It's focused on real-time crash detection and change monitoring within K8s.