StellwerkSimStellwerkSim lets you simulate classic German railway interlocking systems online with other players. Free to register, realistic timetables, multiplayer and solo modes.(0)Productivity·Research & Education0
S STAMPCATalog PlusSTAMPCATalog Plus is a free Windows program for stamp collectors to track, organize, and inventory their philatelic collections, with plug-ins, tutorials, and 3,500+ curated stamp websites.(0)Productivity·No-Code·Document Tools0
R Reef Chemistry CalculatorFree reef aquarium chemistry calculator. Calculate exact dosing amounts for calcium, alkalinity, and magnesium using 40+ commercial products or DIY chemicals.(0)Productivity·Data & Analytics·Research & Education0
ModuOpsModuOps is free desktop software for managing model railroad operations on modular, club, and home layouts. Download for Windows and macOS.(0)Productivity·No-Code0
L LK8000LK8000 is a free, open-source tactical flight computer for glider, paraglider, hang glider, and general aviation pilots. Available on Android and Kobo, used in 67+ countries.(0)Productivity·No-Code0
IGC ViewerVisualize and analyze IGC glider flight logs in your browser. View flight tracks on OpenStreetMap, barograph traces, thermal data, task analysis, and engine detection — completely free.(0)Productivity·Data & Analytics·Data Visualization Tools0
HNSKYHNSKY is a free planetarium sky simulator paired with ASTAP, an astrophotography stacking and plate solving program with ASCOM telescope integration for Windows.(0)Productivity·Research & Education0
FS ScoringFS Scoring is the official FAI scoring software for air sports competitions. Download the latest release for accurate, rule-compliant competition results.(0)Productivity·Data & Analytics0
FieldSeeker GISFieldSeeker GIS is a geospatial field operations platform for mosquito control, vector control, and invasive plant management programs. Supported by Frontier Precision.(0)Productivity·Data & Analytics·Research & Education0
ESU LokProgrammerDownload ESU LokProgrammer, the free Windows software for programming LokSound and LokPilot model railway decoders. Supports CV editing, sound slots, firmware updates, and more.(0)Productivity·No-Code0