Alternatives to RSI Europe

RSI Europe is a Defense tool: lithuania-based defence tech company building remote-controlled explosive systems and drone technologies for rapid deployment. Here are the 60 closest alternatives, compared on pricing, features and what real users say.

RSI Europe profile Open source alternatives (13)More Defense alternatives

The 20 closest Defense companies to RSI Europe

INLEAP Photonics
Not rated
INLEAP Photonics is a German DeepTech company specializing in ultra-fast, precise laser beam steering systems for industrial manufacturing and drone defense.
Defense
Aerospace
Updated 5 Sept 2026
Website
EGIDE
Not rated
Developing scalable and affordable defense capabilities to counter mass-produced drones and strike munitions.
Defense
Aerospace
Updated 11 May 2026
Website
ON
Online Oceans
Not rated
Autonomous maritime monitoring solutions.
Defense
Autonomous Systems
Updated 12 Jun 2026
Redwire
Not rated
A global leader in space and defense technology solutions.
Aerospace
Defense
Updated 22 May 2026
Website
Occam
Not rated
DefenceTech startup focused on frontline drone autonomy.
Defense
Artificial Intelligence
Updated 14 Jul 2026
Website
Molfar Defence Technologies
Not rated
Developing tactical radar systems for the detection of small unmanned aerial systems (UAVs).
Defense
Aerospace
Updated 7 Jul 2026
Website
Subatron
Not rated
Underwater communication technology for faster, more reliable data transmission.
Deep Tech
Hardware
Updated 5 Aug 2026
Website
Frankenburg Technologies
Not rated
An Estonian DefenseTech startup developing affordable, mass-producible, AI-powered air defense missile systems.
Defense
Aerospace
Updated 1 Jul 2026
Website
Castelion
Not rated
Defense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers.
Defense
Hypersonic
Updated 22 Sept 2026
Website
Epirus
3.0 out of 5 (1)
Directed energy weapons company building high-power microwave systems for counter-drone and swarm defense.
Defense
Defense Tech
Updated 11 May 2026
Website
Arondite
Not rated
Arondite is a London-based defense technology company that develops foundational software and artificial intelligence to connect and coordinate disparate autonomous systems for defense and national security organizations.
Defense
National Security
Updated 10 Sept 2026
Website
Allen Control Systems
Not rated
Defense robotics company building autonomous precision weapon systems to counter drone threats.
Defense
Robotics
Updated 21 Jun 2026
Website
CX2
Not rated
Electronic warfare startup building AI-enabled hardware and software for electromagnetic spectrum defense.
Defense
Electronic Warfare
Updated 19 Aug 2026
Website
Neros Technologies
4.0 out of 5 (2)
Defense tech company manufacturing low-cost expendable drones, founded by professional drone racers.
Defense
Drones
Updated 28 Sept 2026
Website
Auterion
3.0 out of 5 (1)
Drone operating system and software platform enabling autonomous robot and UAV fleet operations for defense.
Defense
Drones
Updated 30 Apr 2026
Website
MA
MACHINA LABS
Not rated
Specializes in advanced manufacturing with AI and robotics.
Manufacturing
Robotics
Updated 12 Apr 2026
Website
Scout AI
3.0 out of 5 (1)
AI agents for individual soldiers to control fleets of autonomous vehicles.
Defense
Artificial Intelligence
Updated 6 May 2026
Website
Quantum Systems
Not rated
Develops AI-powered, multi-domain unmanned aerial systems for defense and commercial applications.
Aerospace
Defense
Updated 26 Sept 2026
Website
Swan
Not rated
Modular autonomy platform for defense and industrial operations, built by former Uber/Aurora self-driving leaders.
Defense
Autonomous Systems
Updated 28 May 2026
Website
Silvus Technologies
Not rated
Global leader in advanced tactical networking and electromagnetic spectrum operations (EMSO).
Defense
Telecommunications
Updated 13 Sept 2026
Website

Company	Sectors	Rating	Updated	Visit
INLEAP PhotonicsINLEAP Photonics is a German DeepTech company specializing in ultra-fast, precise laser beam steering systems for industrial manufacturing and drone defense.	Defense Aerospace Industrial Technology	Not rated	5 Sept 2026	Website
EGIDEDeveloping scalable and affordable defense capabilities to counter mass-produced drones and strike munitions.	Defense Aerospace Artificial Intelligence	Not rated	11 May 2026	Website
ONOnline OceansAutonomous maritime monitoring solutions.	Defense Autonomous Systems Robotics	Not rated	12 Jun 2026
RedwireA global leader in space and defense technology solutions.	Aerospace Defense Hardware	Not rated	22 May 2026	Website
OccamDefenceTech startup focused on frontline drone autonomy.	Defense Artificial Intelligence Robotics	Not rated	14 Jul 2026	Website
Molfar Defence TechnologiesDeveloping tactical radar systems for the detection of small unmanned aerial systems (UAVs).	Defense Aerospace Artificial Intelligence	Not rated	7 Jul 2026	Website
SubatronUnderwater communication technology for faster, more reliable data transmission.	Deep Tech Hardware Robotics	Not rated	5 Aug 2026	Website
Frankenburg TechnologiesAn Estonian DefenseTech startup developing affordable, mass-producible, AI-powered air defense missile systems.	Defense Aerospace Manufacturing	Not rated	1 Jul 2026	Website
CastelionDefense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers.	Defense Hypersonic Missiles	Not rated	22 Sept 2026	Website
EpirusDirected energy weapons company building high-power microwave systems for counter-drone and swarm defense.	Defense Defense Tech Electronic Warfare	3.0 out of 5 (1)	11 May 2026	Website
AronditeArondite is a London-based defense technology company that develops foundational software and artificial intelligence to connect and coordinate disparate autonomous systems for defense and national security organizations.	Defense National Security Artificial Intelligence	Not rated	10 Sept 2026	Website
Allen Control SystemsDefense robotics company building autonomous precision weapon systems to counter drone threats.	Defense Robotics Autonomous Systems	Not rated	21 Jun 2026	Website
CX2Electronic warfare startup building AI-enabled hardware and software for electromagnetic spectrum defense.	Defense Electronic Warfare AI	Not rated	19 Aug 2026	Website
Neros TechnologiesDefense tech company manufacturing low-cost expendable drones, founded by professional drone racers.	Defense Drones Manufacturing	4.0 out of 5 (2)	28 Sept 2026	Website
AuterionDrone operating system and software platform enabling autonomous robot and UAV fleet operations for defense.	Defense Drones Autonomous Systems	3.0 out of 5 (1)	30 Apr 2026	Website
MAMACHINA LABSSpecializes in advanced manufacturing with AI and robotics.	Manufacturing Robotics AI	Not rated	12 Apr 2026	Website
Scout AIAI agents for individual soldiers to control fleets of autonomous vehicles.	Defense Artificial Intelligence Robotics	3.0 out of 5 (1)	6 May 2026	Website
Quantum SystemsDevelops AI-powered, multi-domain unmanned aerial systems for defense and commercial applications.	Aerospace Defense Drones	Not rated	26 Sept 2026	Website
SwanModular autonomy platform for defense and industrial operations, built by former Uber/Aurora self-driving leaders.	Defense Autonomous Systems AI	Not rated	28 May 2026	Website
Silvus TechnologiesGlobal leader in advanced tactical networking and electromagnetic spectrum operations (EMSO).	Defense Telecommunications Networking	Not rated	13 Sept 2026	Website

Showing the 20 closest matches. See the rest on the RSI Europe profile.