Alternatives to Leonardorg

Drone technology

Revolutionizing advanced manufacturing with real-time quality assurance for friction stir welding.

Mission-critical drone operations software

An air mobility platform focused on making air travel more accessible and sustainable.

Global aerospace and defense company producing business jets, combat vehicles, submarines, and IT services.

Develops AI-powered, multi-domain unmanned aerial systems for defense and commercial applications.

Provides software for space situational awareness and operations.

Designs and manufactures spacecraft solutions for government and commercial customers.

Develops autonomous hybrid-electric VTOL cargo aircraft for middle-mile logistics and defense.

Developing space infrastructure for data centers and beyond.

Operating the world's only commercial fleet of flight-ready MACH 2+ supersonic aircraft for space launch.

Enabling scalable, low-cost space-to-Earth laser communications.

Building a space-based economy with a reusable spaceplane and orbital destinations.

Developing reusable spacecraft to manufacture pharmaceuticals and high-end materials in microgravity for Earth use.

Aerial robotics company focused on autonomous inspection robots.

Designs, builds, and operates unmanned aerial systems (UAS) for logistics, civil protection, and defense.

European private space ventures redefining independent orbital infrastructure.

Hypersonic aircraft manufacturer building high-Mach vehicles for national defense and rapid global transport.

Designs and manufactures advanced unmanned aerial systems (UAS) for defense and public safety.

A global leader in space and defense technology solutions.

A European satellite constellation and data services company.

Digitizing and automating airspace management for safe drone integration.

Indian rocket startup preparing for the country's first private orbital launch.

AI-native platform for autonomous, coordinated multiship drone operations.

Specializes in plasma propulsion systems for spacecraft.

A leading enabler of the new space economy, specializing in 3D-printed satellite components and systems.

Designs and manufactures advanced unmanned aerial vehicles and critical UAV components for government and commercial clients.

Designs and manufactures microsatellites for Earth observation, specializing in wildfire detection.

Developing next-generation commercial space stations to enable long-term human presence and microgravity research.

Developing autonomous firefighting drones for early wildfire suppression using AI-powered aerial systems.

German startup developing hybrid-propulsion rockets for cost-effective satellite launches.

Developing large unmanned aerial vehicles and sophisticated swarm command and control software for defense.

Hypersonic travel startup developing rotating detonation rocket engines for Mach 9 passenger flight.

Empowering the world with Earth observation data from microsatellites.

Developing and deploying advanced autonomous drones for critical missions.

Developing space-based solar power technology.

A French aerospace startup developing sustainable aircraft.

Develops and operates small satellites and provides AI-powered Earth observation data analytics.

Advanced greenhouse gas monitoring technology from space using miniaturized SWIR imager and micro-LIDAR instruments.

Building ultrathin, flexible, and efficient solar cells for spacecraft.

Automated aircraft inspection using autonomous drones and artificial intelligence.

AI-powered procurement platform automating aircraft parts sourcing for airlines and maintenance providers.

Portuguese drone manufacturer and partner in Intelic's European defence procurement hub.

Specializes in propulsion systems for small satellites.

Developing the world's first sustainable supersonic airliner.

Rocket engine manufacturer for launch and in-space applications.

Building satellites for very low Earth orbit (VLEO) to advance global connectivity and insight.

Developing electric vertical takeoff and landing (eVTOL) aircraft for urban air mobility.

Developer of SkyOS, a universal, semi-automated flight operating system for aircraft.

Provides test and operations execution software for complex systems.

Provider of space domain awareness, intelligence, and advanced missile defense technology solutions.

Provides micro-propulsion and component solutions for satellites.

Building the next era of global positioning, navigation, and timing (PNT) infrastructure.

Capella Space builds and operates a constellation of Synthetic Aperture Radar (SAR) satellites for Earth observation.

Building the first and only space-based cellular broadband network connecting directly to standard mobile phones.