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Pick a category to scan the registry. A green check on a card means the maintainer published that manifest themselves at their own domain. For natural-language search, use /find .
Showing 1–33 of 33 (10490 total) · Search by description →
STEM Tools & Simulations
Streamlit
Open-source framework for building data science and machine learning web apps in Python.
STEM Tools & Simulations
OpenRocket
Model rocket simulator
STEM Tools & Simulations
GeoGebra
Solve, save and share math problems, graph functions, etc
STEM Tools & Simulations
Netron
Visualiser for neural network, deep learning, and machine learning models
STEM Tools & Simulations
Netron
Visualizer for neural network and machine learning models.
STEM Tools & Simulations
Qalculate
Calculate non-trivial math expressions. Unit conversions, symbolic calculations and more.
STEM Tools & Simulations
Falstad CircuitJS
Electronic circuit simulator
STEM Tools & Simulations
periodic-table-cli
View and explore the Periodic Table of Elements.
STEM Tools & Simulations
AstroGrid - Universe Engine
Explore the entire universe in your browser, in real 3D
STEM Tools & Simulations
Algodoo
Draw and interact with physical systems
STEM Tools & Simulations
Avogadro
Molecule editor and visualiser
STEM Tools & Simulations
Beam2Beam
Solve 2D frames and export diagrams to CAD in seconds.
STEM Tools & Simulations
Celestia
Space simulation for exploring the universe in three dimensions
STEM Tools & Simulations
BEAST2
Bayesian evolutionary analysis by sampling trees
STEM Tools & Simulations
Swama
Machine-learning runtime
STEM Tools & Simulations
Cinderella
Interactive Geometry Software
STEM Tools & Simulations
Mathcha Notebook
Mathematics editor
STEM Tools & Simulations
Way of Indian Math
Solve 87 × 13 in your head. In under 5 seconds.
STEM Tools & Simulations
mdlt
Do quick math right from the command line.
STEM Tools & Simulations
Learn Math Faster
Mental math battles that make kids faster every day
STEM Tools & Simulations
Physics 101
Collection of simulations, tools, and equations across the field of physics
STEM Tools & Simulations
Tracker
Video analysis and modelling tool for physics education
STEM Tools & Simulations
OpenSesame
Graphical experiment builder for the social sciences
STEM Tools & Simulations
HP Prime
Graphing calculator emulator
STEM Tools & Simulations
MathSheet
Print ready Maths worksheets in 30 secs. No login. No ads.
STEM Tools & Simulations
TI Connect™ CE
Connectivity software for the TI-84 Plus family of graphing calculators
STEM Tools & Simulations
Trump Math Calculator
I know math. I have the best math.
STEM Tools & Simulations
Chinilla
Design systems, simulate them and watch where they break
STEM Tools & Simulations
Toolcr
Free Pro Rata, Salary & Insurance Calculators
STEM Tools & Simulations
Math nexus
Calculations app
STEM Tools & Simulations
- TI-30 Online Calculator
Free online ti30 calculator
STEM Tools & Simulations
Timerjoy
1,000+ free tools: timers, countdowns, stopwatch, world clock, date calculators, calendars, moon phases and more. No downloads, no sign-up.
STEM Tools & Simulations
Velocity Learning
Build math fluency through adaptive practice. Free forever for kids ages 5-12.