Avogadro is a molecular editor and visualization tool intended for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science and related areas. The source lists a flexible rendering framework and a plugin architecture, with Open Babel import of chemical files and support for multiple computational packages, crystals and biomolecules.
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Algodoo is a free physics simulation program that lets users draw and interact with physical systems on a computer, building and exploring by click and drag, tilt and shake, with colors, graphs and forces for visualization. It is available for Windows, Mac and the iPad, and official videos and webinars cover creating educational scenes and other constructions.
Vittascience provides an online coding environment for learning programming with Arduino, micro:bit, STM32, Texas Instruments and other platforms. It is described as accessible, intuitive and designed for education. The page lets users choose a programming interface and lists programmable boards.
LibrePCB is a free, open-source, cross-platform electronic design automation suite for drawing schematics and designing printed circuit boards. It offers a schematic editor and board editor, a semantic library concept, human-readable file formats, and optional library manager and PCB fabrication service. A command-line tool supports headless checks and data exports. It is available in 15 languages and can be used fully offline.
myPhysicsLab is a site with interactive physics simulations, such as springs, pendulums, roller coasters and collisions. Simulations animate in real time and can be manipulated by dragging objects or changing parameters like gravity. Setups can be shared by URL, and numeric data can be obtained from simulations. The software is open source under the Apache 2.0 License, with source code on GitHub.
KiCad is an open source PCB design and electronics CAD suite for Windows, macOS and Linux. It includes a schematic editor, a PCB editor and a 3D viewer, and is described as forever free. The schematic editor supports hierarchical designs and includes an integrated SPICE simulator and electrical rules checker. Documentation is written and maintained by a volunteer docs team.
A physics-based simulation of two independently driven pendulums that begin with nearly identical conditions. Users can adjust parameters and drag a pendulum to change its starting position; over time the two pendulums diverge, illustrating sensitivity to initial conditions in chaotic systems.
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Algodoo is a free physics simulation program that lets users draw and interact with physical systems on a computer, building and exploring by click and drag, tilt and shake, with colors, graphs and forces for visualization. It is available for Windows, Mac and the iPad, and official videos and webinars cover creating educational scenes and other constructions.
Vittascience provides an online coding environment for learning programming with Arduino, micro:bit, STM32, Texas Instruments and other platforms. It is described as accessible, intuitive and designed for education. The page lets users choose a programming interface and lists programmable boards.
LibrePCB is a free, open-source, cross-platform electronic design automation suite for drawing schematics and designing printed circuit boards. It offers a schematic editor and board editor, a semantic library concept, human-readable file formats, and optional library manager and PCB fabrication service. A command-line tool supports headless checks and data exports. It is available in 15 languages and can be used fully offline.
myPhysicsLab is a site with interactive physics simulations, such as springs, pendulums, roller coasters and collisions. Simulations animate in real time and can be manipulated by dragging objects or changing parameters like gravity. Setups can be shared by URL, and numeric data can be obtained from simulations. The software is open source under the Apache 2.0 License, with source code on GitHub.
KiCad is an open source PCB design and electronics CAD suite for Windows, macOS and Linux. It includes a schematic editor, a PCB editor and a 3D viewer, and is described as forever free. The schematic editor supports hierarchical designs and includes an integrated SPICE simulator and electrical rules checker. Documentation is written and maintained by a volunteer docs team.
A physics-based simulation of two independently driven pendulums that begin with nearly identical conditions. Users can adjust parameters and drag a pendulum to change its starting position; over time the two pendulums diverge, illustrating sensitivity to initial conditions in chaotic systems.
