Life & fun · alternatives · 2026

24 alternatives to Moon Phase Algorithms for C, Lua, Awk, JavaScript, etc.

A collection of impls to get the current moon phase - iriswebb/moonphase

Moon Phase Algorithms is a collection of computational tools for calculating lunar phases across multiple programming languages including C, Lua, Awk, and JavaScript. Designed for developers and astronomers who need to… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Tiny Moon – Swift library to calculate the moon phase▲106

   Tiny Moon is a tiny Swift library to calculate the moon phase for any given date, works super fast, and works completely offline. All of this started when I realized that we only have 12, sometimes 13, full moon's in a year. That doesn’t seem like that many. I set out to build a MacOS app to remind me when a full moon occurs, so that I could take a moment and step outside to appreciate it. The MacOS app I ended up creating can be found at https://apps.apple.com/us/app/tiny-moon/id6502374344 along with the source code [0], all powered by the Tiny Moon library. I…

   2024 · github.com · its alternatives →

2. 2
   Moon – 3kb JavaScript UI compiler▲71

   The purely functional user interface library that

   2018 · kbrsh.github.io · its alternatives →

3. 3
   Moon – fast 7k Vue alternative▲268

   🌙 The minimal & fast library for functional user interfaces - kbrsh/moon

   2017 · github.com · its alternatives →

4. 4
   moon▲99

   A multi-language monorepo tool

   2023 · moonrepo.dev · its alternatives →

5. 5MA
   Moon – a tiny 6kb Javascript library inspired by Vue.js▲31

   2017 · moonjs.ga · its alternatives →

6. 6
   Data-viz project for ray-tracing the Moon model▲72

   Data visualisation and ray tracing in Python based on OptiX 9.1 framework. - plotoptix/examples/3_projects/moon at master · rnd-team-dev/plotoptix

   2019 · github.com · its alternatives →

7. 7
   LunarVim – An opinionated, extensible, and fast IDE layer for Neovim▲93

   An IDE layer for Neovim with sane defaults. Completely free and community driven.

   2021 · lunarvim.org · its alternatives →

8. 8
   Next Full Moon▲82

   All in one calendar to find the next full moon date

   2021 · nextfullmoon.org · its alternatives →

9. 9
   Moon Phase Calculator▲8

   Quick, accurate, and easy calculation of moon phases

   2025 · its alternatives →

10. 10
    Moonphase.info▲62

    Moon Phase Calendar

    2023 · moonphase.info · its alternatives →

11. 11
    Moon – a tiny UI library inspired by Vue▲11

    🌙 The minimal & fast library for functional user interfaces - kbrsh/moon

    2017 · github.com · its alternatives →

12. 12
    The ASCII Side of the Moon▲23

    Happy Labour Day, For your consideration is a rendering of the Moon with changing Lunar phases, Earth-Moon distance, and librations all in ASCII. The inspiration was asciimoon.com that previously appeared on HN but did not accurate phases.

    Dec 2025 · aleyan.com · its alternatives →

13. 13
    Lumoon▲38

    Live 3D Moon Phase Calendar

    2025 · apps.apple.com · its alternatives →

14. 14
    CGI Moon Kit▲73

    A 3D map of the moon for CG artists and creators

    2019 · svs.gsfc.nasa.gov · its alternatives →

15. 15
    Moon, an universal code-interchange format▲11

    Minimal code-interchange format. Contribute to ethereum/moon-lang development by creating an account on GitHub.

    2017 · github.com · its alternatives →

16. 16MS
    Moon simulator game, ray-casting▲114

    Did this a few years ago. Seems apropos. Sources and more here: https://github.com/EngineersNeedArt/Mooncraft2000

    Apr 2026 · mooncraft2000.com · its alternatives →

17. 17
    moon finder▲161

    little page that helps you find the moon.

    2024 · moonfinder.peng37.com · its alternatives →

18. 18LA
    Lapis – A web framework for MoonScript and OpenResty▲75

    2013 · leafo.net · its alternatives →

19. 19
    LunaRoute▲106

    LunaRoute is a high-performance local proxy for AI coding assistants like Claude Code, OpenAI Codex CLI, and OpenCode. Get complete visibility into every LLM interaction with zero-overhead passthrough, comprehensive session recording, and powerful debugging capabilities. - See Everything Your AI Does - get full logs (JSONL), summary of sessions including tokens used (input/output) as well as tools usage and success rates. - Privacy & Compliance Built-In - redact or tokenize any sensitive information (regex based). - Speaks OpenAI and Anthropic dialects so you can route (and translate)…

    Oct 2025 · github.com · its alternatives →

20. 20
    Moon Locator▲104

    Locate and predict the Moon's position in AR 🌝

    2018 · play.google.com · its alternatives →

21. 21
    Moon▲15

    A minimal, blazing fast user interface library.

    2017 · its alternatives →

22. 22
    MOON▲10

    The most thoughtful moon phase app for iOS.

    2015 · whyamicrazytoday.com · its alternatives →

23. 23
    LunarSight▲75

    An app for Moon enthusiasts

    2021 · apps.apple.com · its alternatives →

24. 24
    Lua/LuaJIT with C/C++/Java/JavaScript syntax▲77

    Lua with C/C++/Java/Javascript syntax. Contribute to mingodad/ljs development by creating an account on GitHub.

    2018 · github.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 →