Browse free open source Drone software and projects below. Use the toggles on the left to filter open source Drone software by OS, license, language, programming language, and project status.
ArduPlane, ArduCopter, ArduRover, ArduSub source
PX4 Autopilot Software
Cross-platform ground control station for drones
User-friendly, commercial-grade software for processing aerial imagery
A command line toolkit to generate maps, point clouds, 3D models
Mini Drone/Quadcopter Firmware for ESP32 and ESP32-S Series SoCs
Secure & transparent telemetry link with support for WiFi and ESP-NOW
High Performance Open Source Radio Control Link
High-performance universal dashboard application for organizing
Making an ESP32-based quadcopter from scratch
A node.js client for controlling Parrot AR Drone 2.0 quad-copters
The dRonin flight controller software
PyBullet Gymnasium environments for multi-agent reinforcement
Programming a Parrot AR.Drone 2.0 with Python - The Easy Way
Open-source photogrammetry for 3D reconstruction.
Advanced Drone System
Fly Drones Inside a CARLA World
A ROS package to remotely control the Parrot AR Drone 2.0
Drone pentesting framework console
3D Trajectory Planner in Unknown Environments
Flask backend development interface example, using Flask
GAAS is an open-source program designed for fully autonomous VTOL
Open source drone software gives developers, researchers, and hobbyists access to publicly available code for controlling unmanned aerial vehicles, covering everything from flight control and navigation to mission planning and telemetry. Rather than relying on a closed, proprietary flight controller, users can inspect, modify, and extend the underlying code to fit specific hardware, missions, or research needs. This openness has made these tools a foundation for a wide range of drone projects across hobbyist, academic, and commercial settings.
These tools typically include a flight control layer that manages stabilization and navigation, along with companion ground control software used to plan missions and monitor a drone in flight. Because the code is open, developers can add custom sensors, integrate new hardware, or build specialized functionality that a commercial closed-source platform might not support.
This software is used by drone hobbyists, robotics researchers, and companies building custom drone applications who need flexibility beyond what off-the-shelf commercial platforms typically offer. As drone use continues to expand into new industries, more developers are turning to open source tools as a transparent, customizable foundation for building specialized aerial systems.
Because this software is open source, there is typically no direct licensing fee for the core code itself, though users should expect real costs tied to hardware, development time, and ongoing maintenance. Building a functional drone system still requires physical components, including flight controllers, sensors, and airframes, regardless of the software being free to use.
Additional costs can come from the engineering time needed to configure, customize, and test the software for a specific application, particularly for more complex or specialized use cases. Organizations without in-house technical expertise should also budget for the learning curve involved in working directly with open source drone code.
This software commonly connects with a wide range of flight controller hardware, since compatibility with different physical components is a core part of its design. Ground control applications often integrate with mapping and geographic information systems to support mission planning over specific terrain. Communication protocols allow integration with companion computers running additional processing tasks, such as computer vision or object detection. Some setups also connect with cloud-based data platforms to store and analyze flight telemetry after missions are complete.
Choosing the right software starts with identifying your specific use case, since flight controller firmware, ground control applications, and specialized frameworks each serve different needs. Buyers should consider hardware compatibility carefully, ensuring the software supports the flight controllers and sensors already in use or planned for a project. It is worth evaluating the strength and activity of the surrounding community, since ongoing support and updates often depend heavily on community involvement. Simulation capabilities deserve attention as well, particularly for testing flight behavior safely before real-world deployment. Finally, consider the technical resources available in-house, since working directly with open source code requires real engineering capability to configure and maintain effectively.