Science, Math & Technology

TCCC provides a military medical training program and accepts support for its project.

This Android app recognizes bird species from their sounds and includes an extensive database of bird recordings.

Information Theory, Inference, and Learning Algorithms is a textbook with related resources by David MacKay.

Frink’s web interface accepts Frink expressions for lookup and calculation, with links to documentation, examples, and related tools.

PicaSim provides information, media, and downloads for a radio-controlled flight simulator.

Lab Safety Guide introduces laboratory safety equipment and guidance for lab environments.

RecentlyExtinctSpecies documents recently extinct, missing, and other species in an online database.

Siah’s research blog includes writing on data science principles and the experience of PhD study.

PicaSim simulates flight for radio-controlled aircraft, with gliders and other aircraft types listed among its repository topics.

Cyberbotics develops Webots, a platform for simulating robots and testing their behavior.

RocketPy describes itself as a six-degree-of-freedom trajectory simulator for high-power rocketry.

RocketPy provides software and information for rocket flight simulation.

OpenRocket provides aerodynamics and trajectory simulation software for model rocketry.

NPTEL provides online course materials, including aerospace engineering instruction.

KiCad is open-source software for drawing electronic schematics, designing printed circuit boards and viewing them in 3D.

507 Mechanical Movements presents an indexed collection of mechanical movement diagrams and thumbnails.

Manim Community is a community-maintained Python framework for creating mathematical animations.

The Manim engine creates precise programmatic animations for explanatory mathematics videos, including scenes associated with 3Blue1Brown.

Ye Olde Rocket Forum hosts discussions and recent activity about rocketry.

The AoPS Alcumus system provides free online mathematics learning materials from Art of Problem Solving.

Lost and Found Nature shares resources about conservation and public engagement with nature.

SimFlow is a graphical interface for OpenFOAM with a computational fluid dynamics workflow from meshing onward.

EngineersEdge provides reference data and practical tools for engineers working across technical disciplines.

Tripoli Rocketry shares information about rocketry and activities in its community.