Docker

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.

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.

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.

Open Notebook is an open-source NotebookLM alternative with multi-model support, custom podcasts, and a REST API - all running on your own machine. Learn how to set it up with Docker and make it accessible from anywhere with Pinggy.

Learn how to build a self-hosted AI job search agent in Langflow that parses your resume, matches jobs from multiple sources, and sends real-time Discord alerts.

Learn how to install and self-host Langflow locally using pip, uv, or Docker, and make it remotely accessible from anywhere using Pinggy. Build and deploy custom AI agents without cloud lock-in.

OxiCloud is a lightweight, Rust-powered open-source cloud platform that gives you self-hosted file storage, CalDAV calendars, and CardDAV contacts on minimal hardware a faster, privacy-first alternative to Nextcloud.

Complete guide to self-hosting Memos, an open-source note-taking app, using Docker and Pinggy tunnel. Keep your notes private, accessible from anywhere, with zero subscription fees.

Complete guide to self-hosting Obsidian sync using Docker, CouchDB, and Pinggy tunnel. No paid Obsidian Sync, full control, and all the fun of building your own sync server!

Complete guide to self-hosting large language models locally using Ollama and Open WebUI with Docker. Learn to run AI models privately with full control over your data.