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. virtual-clock.js – adjustable timekeeping for simulations/games/etc launched in 2017; newer entries below may have overtaken it.

1. 1
   Odyssey 3▲159

   A world model that simulates physics in real time

   14d ago · odyssey.systems · its alternatives →

2. 2
   Timekit▲97

   A comprehensive scheduling API (pre-launch)

   2014 · timekit.io · its alternatives →

3. 3
   Day Flow▲66

   Time Manager and Efficiency Tracking

   2014 · apps.apple.com · its alternatives →

4. 4
   Coherent UI▲89

   HTML5 GUI designed for real-time applications and games

   2015 · coherent-labs.com · its alternatives →

5. 5
   FlowTime▲72

   A Pomodoro-driven timer for Chrome

   2015 · chromewebstore.google.com · its alternatives →

6. 6
   BrowerQuest▲65

   A HTML5/JavaScript multiplayer game experiment

   2015 · its alternatives →

7. 7
   Outwitters▲57

   Asynchronous hex based strategy goodness

   2015 · onemanleft.com · its alternatives →

8. 8
   Drift▲71

   The first bullet simulator for VR

   2015 · devpost.com · its alternatives →

9. 9
   Polygon Longform - Atlas Reactor▲55

   How an MMO studio created a great competitive game

   2015 · polygon.com · its alternatives →

10. 10TI
    TimePanel: Incredibly fast time tracking and invoicing▲6

    2012 · timepanel.net · its alternatives →

11. 11SR
    Space Rock, a realtime JavaScript framework▲7

    2015 · space-rock.meteor.com · its alternatives →

12. 12AA
    An analog clock on html canvas▲6

    2018 · dmaydan.github.io · its alternatives →

13. 13RT
    Real-Time Stats for an iOS MMORPG Game in a Wordpress Front End▲6

    2015 · aftermath.io · its alternatives →

14. 14
    A free open source timetracker made with the Polymer Framework▲5

    2016 · yotilo.com · its alternatives →

15. 15
    Swimmer▲2

    An async task pooling and throttling utility for JS

    2018 · github.com · its alternatives →

16. 16AP
    A Pomodoro Timer built on the Yo API▲7

    2014 · pomodoryo.herokuapp.com · its alternatives →

17. 17CA
    ClockFace – an icon font family for displaying time▲8

    2022 · ocodo.github.io · its alternatives →

18. 182A
    24a2, an ultra minimalist game engine▲5

    2020 · 24a2.routley.io · its alternatives →

19. 19A3
    A 3D First-Person Shooter in WebGL in 24 hours▲9

    2012 · icecreamyou.github.com · its alternatives →

20. 20
    Razorframe▲5

    a Node.js library for kickstarting real-time apps at scale

    2016 · github.com · its alternatives →

21. 21AW
    atom.watch – beautiful clock in the browser▲6

    2016 · atom.watch · its alternatives →

22. 22BB
    Browser based state machine simulator and visualizer▲9

    Feb 2026 · svylabs.github.io · its alternatives →

23. 23IM
    I Made a minimalist chess clock for android▲5

    2014 · play.google.com · its alternatives →

24. 24
    GameLisp, a scripting language for Rust game development▲5

    2020 · gamelisp.rs · 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 →