A collective list of free APIs

Odoo. Open Source Apps To Grow Your Business.

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

🦉 ML Experiments and Data Management with Git

The authentication glue you need.

An open source multi-tool for exploring and publishing data

🐚 Python-powered shell. Full-featured and cross-platform.

A supercharged Git/GitHub command line interface (CLI). An official integration for GitHub and GitHub Enterprise: https://github.com/works-with/category/desktop-tools

Insular email distribution - mail server as Docker images

Visually simulate Git operations in your own repos with a single terminal command.

Open Source Inventory Management System

A simple CalDAV (calendar) and CardDAV (contact) server.

Mail hosting made simple

🎉🌩️ Dynamic DNS (DDNS) service based on Cloudflare! Access your home network remotely via a custom domain name without a static IP!

An IMAP/POP/SMTP proxy that transparently adds OAuth 2.0 authentication for email clients that don't support this method.

A Python Mail Server

FAUCET is an OpenFlow controller for multi table OpenFlow 1.3 switches, that implements layer 2 switching, VLANs, ACLs, and layer 3 IPv4 and IPv6 routing.

TrueNAS SCALE Build System

OpenSprinkler Integration for Home Assistant

Graphical User Interface for Open vSwitch administration

Python module for OpenSprinker API