Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Simulating Infectious Disease in 200 lines of C launched in 2020; newer entries below may have overtaken it.

1. 1EA
   Epicell – A simplified simulator for modelling infectious disease▲7

   2020 · epicell.netlify.com · its alternatives →

2. 2
   A notebook for infection growth simulation▲7

   2020 · colab.research.google.com · its alternatives →

3. 3CS
   Coronavirus Spread Simulator (Monte Carlo)▲5

   2020 · covid19.dev.itskasra.com · its alternatives →

4. 4
   Triage by Chodeberg▲75

   Reproduce user described bugs in clean sandbox environments

   3d ago · triage.chodeberg.com · its alternatives →

5. 5
   Sheets Add-On for Monte-Carlo Simulations▲7

   2020 · gsuite.google.com · its alternatives →

6. 6
   ARRVLS - Alpha-1▲66

   A story about a family and their genetic map

   2015 · its alternatives →

7. 7ES
   Epidemic Simulator▲29

   2020 · adewes.github.io · its alternatives →

8. 8OS
   Open-source SIMD-accelerated math library for C/C++/C#/Java/FORTRAN▲9

   2013 · yeppp.info · its alternatives →

9. 9
   Zombie-town USA▲3

   A disease dynamics simulation of Zombiism across the USA

   2016 · mattbierbaum.github.io · its alternatives →

10. 10PA
    Protozoa, a micro-app generator▲7

    2017 · guscost.github.io · its alternatives →

11. 11
    Markov – A compact C++ library to easily simulate Markov processes▲14

    A compact C++ library for easily simulating common Markov processes. - GitHub - NathanEpstein/markov: A compact C++ library for easily simulating common Markov processes.

    2015 · github.com · its alternatives →

12. 12C1
    Covid-19 Simulation▲5

    2020 · causalapp.com · its alternatives →

13. 13TA
    Taking a line for a walk -- a code experiment▲5

    2016 · williamngan.github.io · its alternatives →

14. 14
    Epsilon – Space-optimized diff calculation algorithm▲6

    2018 · github.com · its alternatives →

15. 15AU
    A US Evolution Simulator▲7

    2022 · us-evolution-simulator.andrew.gr · its alternatives →

16. 16
    Piirus▲3

    Connecting researchers. Crossing boundaries.

    2016 · piirus.com · its alternatives →

17. 17SD
    Small data preparation▲9

    2015 · vpj.github.io · its alternatives →

18. 18NT
    NumPy to C++14: the xtensor cheat sheet▲6

    2017 · xtensor.readthedocs.io · its alternatives →

19. 19
    Procedurally Generated Artificial Life▲6

    2020 · kirkas.com · its alternatives →

20. 20TY
    The Y Combinator Codex▲8

    2021 · phoe.github.io · its alternatives →

21. 21
    Yet another C SPDY implementation▲5

    2012 · github.com · its alternatives →

22. 22SC
    Source Code for CSVs▲6

    2024 · scroll.pub · its alternatives →

23. 23
    Season's greetings from Attractor, a fractal graphing calculator▲6

    An interactive preset in Attractor, a tool to generate and animate fractals based on iterated functions of complex numbers

    2020 · attr.actor · its alternatives →

24. 24
    Visualizing World Birth and Death Rates▲1

    World births and deaths, simulated in real-time on a map

    2015 · worldbirthsanddeaths.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →