Open source

Blog posts tagged “Open Source”


Open-Source Calendly Alternatives You Can Self-Host in 2026

Scheduling Self-Hosted Open Source

Cal.com went closed source in April 2026. Here are the open-source, self-hostable Calendly alternatives that took its place - Cal.diy, Easy!Appointments, Tymeslot, Rallly and more - with licenses, versions, and a tested Docker plus Pinggy setup.

Best Self-Hosted Open Source DNS Servers in 2026 (PowerDNS, BIND, Unbound & More)

DNS Self-Hosted Open Source

A technical comparison of the best open source DNS servers you can self-host in 2026 - PowerDNS, BIND9, Unbound, NSD, Knot DNS, CoreDNS, Technitium, AdGuard Home, Pi-hole, Blocky, SmartDNS, and dnsmasq - with GitHub stars, license, language, latest versions, and the security releases each shipped through October 2026.

Self-Host OmniRoute: A Free AI Gateway for 500+ Models and 290+ Providers

OmniRoute AI Gateway Self-Hosted AI

OmniRoute is a free MIT-licensed AI gateway you run yourself: one OpenAI-compatible endpoint in front of 290+ providers and 500+ models. We ran it in Docker, got 99 models resolving with zero configuration, tested combos, compression, MCP, and the CLI, then shared the whole thing over a public HTTPS URL with Pinggy. Facts rechecked against v3.8.51 (October 2026).

Best Open Source Self-Hosted Alternatives to Slack and Discord in 2026

Self-Hosted Open Source Pinggy

Compare the best open source, self-hostable alternatives to Slack and Discord in 2026 - Rocket.Chat, Mattermost, Zulip, Matrix/Element, Stoat, and Spacebar - with licenses, system requirements, and how to expose your instance with Pinggy.

Iroh 1.0: Dial Keys, Not IPs

Networking Rust Peer-to-Peer

Iroh 1.0 ships a stable P2P networking library that connects devices by cryptographic key instead of IP address. QUIC under the hood, 90% hole-punch success, 200M+ endpoints/month, and now stable language bindings for Python, Node.js, Swift, and Kotlin.

Self-Host Chatwoot and Expose It with Pinggy

Self-Hosted Docker Pinggy

Chatwoot v4.14 ships Captain AI for automated customer support. Run the full stack locally with Docker Compose, then expose it to the internet with one Pinggy command - no port forwarding, no SaaS bill.