Software Alternatives, Accelerators & Startups

🚀 Space Simulator

Simulation software focused on space exploration and astronomy.

The best Space Simulator Products based on votes, our collection of reviews, verified products and a total of 876 factors.

Best Space Simulator Products in 2025

  1. 112

    Stellarium is a free open source planetarium for your computer.

    Key Stellarium features:

    User-Friendly Interface Realistic Sky Simulation Extensive Database Open Source

    Open Source

    /stellarium-alternatives
  2. FlexiQuiz is a powerful online test generator that enables you to create engaging online quizzes, tests, or exams in minutes. Choose from 100's of features to create a customized quiz that meets your objectives for business, education, or fun. .

    Key FlexiQuiz features:

    Question bank Groups Courses Add media

    Try for free freemium $25.0 / Monthly (Essentials plan)

    Try for free
  3. 114

    Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.

    Key EVE Online features:

    Complex and Deep Gameplay Player-Driven Economy Large-Scale Space Battles Community and Social Interaction

    /eve-online-alternatives
  4. 92

    Space Engine is a realistic virtual Universe you can explore on your computer.

    Key Space Engine features:

    Realistic Simulation Exploration and Discovery VR Support Modding Community

    /space-engine-alternatives
  5. 77

    Real-time 3D visualization of space.

    Key Celestia features:

    Open Source Realistic 3D Views Cross-Platform Extensible

    Open Source

    /celestia-alternatives
  6. 73

    The FlightGear flight simulator project is an open-source, multi-platform, cooperative flight simulator development project. It also simulates space flight in Earth's orbit. It's flight dynamics engine (JSBSim) is used in a 2015 NASA benchmark.

    Key FlightGear features:

    Open Source Cross-Platform Extensive Customization Active Community

    /flightgear-alternatives
  7. 67

    The world's most advanced flight simulator just got an upgrade. Download the free demo today for Windows, macOS, & Linux.

    Key X-Plane features:

    Realistic Flight Model Extensibility Cross-Platform Regular Updates

    /x-plane-alternatives
  8. 60

    OGame is an addictive, Massively Multiplayer Online, Real-time Strategy, Space-war, and Money Management Browser-based video game develop by Gameforge AG.

    Key OGame features:

    Strategic Depth Community Player Versus Environment (PvE) and Player Versus Player (PvP) Balance Persistent Universe

    /ogame-alternatives
  9. 45

    Elite Dangerous is a 2015 Trading, Action, Sci-fi, Exploration, Open World and Space Simulation by Frontier Developments.

    Key Elite Dangerous features:

    Expansive Universe Realistic Space Simulation Multiplayer Interaction Regular Updates

    /elite-dangerous-alternatives
  10. 52

    Universe Sandbox ² is a physics-based space simulator where you can simulate Events and even break physics and friction with certain features.

    Key Universe Sandbox features:

    Realistic Physics Simulation Interactive Experience Educational Tool Stunning Visuals

    /universe-sandbox-alternatives
  11. 40

    Birds of Steel is developed by Gaijin Entertainment for PlayStation and Xbox.

    Key Birds of Steel features:

    Detailed Simulation Variety of Aircraft Engaging Multiplayer Historical Campaigns

    /birds-of-steel-alternatives
  12. 49

    Orbiter is a realistic 3D real-time space flight simulator program. Official site with free download. DownloadDownload mirror 1 Europe - Textures - Gallery - Links - .

    Key Orbiter features:

    Comprehensive Data Access User-Friendly Interface Collaborative Features Regular Updates

    /orbiter-alternatives
  13. 47

    Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the...

    Key Sky Map features:

    Open Source Free to Use Educational User-Friendly Interface

    /sky-map-alternatives
  14. 59

    A window to the stars has never been more beautiful and easy to use.

    Key Sky Guide features:

    User-Friendly Interface Augmented Reality Offline Capability Detailed Information

    /sky-guide-alternatives

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