No hidden charges. No surprise bills. Cancel anytime.
Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
Start Free
Build Securely on Azure with Proven Frameworks
Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.
Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
Virtual Planetarium and other Astronomical Calculation Routines
Virtual Planetarium and other astronomical calculation routines of the Positional Astronomy (Ephemeris Calculation / ISS Visibility / Eclipses / Calendar) --- GUI based on Delphi/Free Pascal, Source Code alternatives based on Python 2.5 and Java 1.6
The Mars Simulation Project is an open source Java project to create a simulation of future human settlement on the planet Mars.
See https://github.com/mars-sim/mars-sim for the LATEST issues/wiki/code change
A java 3d simple virtual celestial globe. Source code available
VirtualCelestialGlobe 1.2.7b
World Globe 0.0.7
A simple java 3d virtual celestial and world globe.
Rotate the globe, magnify it, select the level of detail to show stars and constellations, and the ecliptic.
Source code available to everyone to modify it.
Star catalogue from Wikipedia.
Available plain text star catalogue.
Total stars number now reaches 1038.
Using Phong shading.
No Open GL.
Library of Javacode to interact with the data-recording formats (RPFITS and PSRFITS) used at the Australia Telescope National Facility (ATNF). It also provides tools for extracting metadata from the files for supply to Virtual Observatory instances.
Full-stack observability with actually useful AI | Grafana Cloud
Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.
Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
Imagine Numerical Recipes in the 21st century. Fast object-oriented Javacode for numerical analysis, with a special focus on astronomical application (coordinate conversions, WCS projections etc.)
C++/CUDA/OpenMP based Smoothed Particle Hydrodynamics (SPH) Solver
DualSPHysics is based on the Smoothed Particle Hydrodynamics method and can be downloaded from the official website (www.dual.sphysics.org).
The code is developed to study free-surface flow phenomena where Eulerian methods can be difficult to apply, such as waves or impact of dam-breaks on off-shore structures.
DualSPHysics is a set of C++, CUDA and Java codes based on the SPHysics FORTRAN project (www.sphysics.org) that are designed to deal with real-life engineering problems and are provided along with pre-compiled binaries and source for Windows/Linux/Unix as well as a number of example test cases.
A collection of Java ports of open source terrain and solar system generation packages. Code has been extensively refactored, extended and documented. GPL License with exception for required libraries.
Astro Info is a multi-lingual astronomical ephemeris for the PalmOS that provides data for our solar system and other objects. If you wish to get involved, please download a copy of the source code from CVS.
JPARSEC is a Java Package of Astronomical Resources for Standard Ephemerides Calculations, focused on accuracy, documentation, 2D/3D charts, realistic planetary rendering, and Astrophysical modeling. For source code visit http://conga.oan.es/~alonso/
retep is a collection of Java API's covering PDF, XML, J2EE , Swing and now NetBeans modules for displaying astronomical maps, controlling modern "Go-To" telescopes - all in java., and accessing online databases.
JOSAST ( Java Open Source Amateur Satellite Toolkit) is a set of java source code used for amateur satellite, hamradio and also astronomia activities ...
Reusable package and complete software should be available.