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Products that do what I wrote a new BitTorrent tracker in Elixir does

Hello everyone! I'm currently in a journey to learn and improve my Elixir and Go skills (my daily job uses C++) and looking through my backlog for projects to take on I decided Elixir is the perfect language to write a highly-parallel BitTorrent tracker. So I have spent my free time these last 3 months writing one! Now I think it has enough features to present it to the world (and a docker image to give it a quick try). I know some people see trackers as relics of the past now that DHT and PEX are common but I think they still serve a purpose in today's Internet (purely talking about public…

  1. 1IW

    I picked up programming in late 2023 and been enjoying it now. Wanted to challenge myself and set a stretch goal, so set out to build a bittorrent client.

    2025 · github.com

  2. 2MS
  3. 3ES
  4. 4IR

    I've been running long duration coding agents with Claude Code for about 6 months now. Steve Yegge released Beads back in October and I found that giving Claude tools for proper task tracking was a massive unlock. But Beads grew massively in a short time and every release made it slower and more frustrating to use. I started battling it several times a week as its background daemon took to syncing the wrong things at the wrong times. Over the holidays I finally ripped it out and wrote ticket as a replacement. It keeps the core concept I actually cared about (graph-based task dependencies)…

    Jan 2026 · github.com

  5. 5SA
  6. 6MS
  7. 7SF
  8. 8

    A cross-platform blockchain Shell Client based on XLayer

    Oct 2025

  9. 9OS

    I am super excited to open-source the code executor behind logicboard.com - an in-browser collaborative code editor. The backend is written in Elixir+Phoenix and implements a WebSocket API to execute code in docker containers. Next steps include making this more secure, I am considering Google's gVisor to implement better isolation between containers and the host kernel.

    2023 · github.com

  10. 10IM
  11. 11LB

    I built this over the weekend. Any feedback is appreciated. Please note you will need a WebGL enabled browser. Thank you for checking it out. --UPDATE-- HN Traffic is strangling earthbit. There is sporadic downtime due to the web services I am using, if no transactions appear after a few seconds, then please try again in an hour.

    2013 · earthbit.net

  12. 12IG

    Hey HN, For years, my local development setup has been a fragile mess of tools that never quite played nicely together. On my mac, it was a constant battle with Homebrew services starting (or not starting) on boot, conflicting PHP and Node versions managed by `asdf` or `nvm`, and a collection of `docker-compose.yml` files that I'd copy-paste and tweak for every single project. The cognitive load was just too high. Setting up SSL was another chore involving `mkcert`. Sharing a quick demo with a colleague meant firing up ngrok. And if I wanted to run two projects that needed different versions…

    Oct 2025 · servbay.com

  13. 13OM

    Hello! As soon as I saw eieio's https://onemillioncheckboxes.com/, I knew I wanted to try it out using Elixir. The original was created using Python and Redis (later Go and Redis) but this one is using just one Elixir server and HAProxy for SSL termination. It's also using S3 to show the overview page where all the checkboxes are drawn on a 1000x1000 canvas. The whole site is running on a 4 core 8 GB Hetzner VPS so I'm interested to see how it will hold up. This took an embarrassingly long amount of time to complete (the first commit was on July 23) but it was my first real…

    2024 · onemillionandonecheckboxes.com

  14. 14LP

    hey hn, I’m Filipe, a developer at supabase we have three projects using Elixir in a clustered setup. we’ve always used libcluster[0] to achieve it but ended up using multiple strategies. now we’ve converged into one approach for all our projects using Postgres as the coordinator. we’re using Postgres LISTEN and NOTIFY commands with Postgrex as the system to propagate node addresses so they can connect plus we use it to send healtcheck pings to heal when required. big thanks to https://twitter.com/gotbones for the libcluster library and…

    2023 · github.com

  15. 15IB

    I had 14,000 photos sitting on a drive and wanted an excuse to play with local vision models and Elixir/Phoenix. I originally tried to get LLaVA to tell me if a photo was 'good' or matched my style, but quickly learned that LLMs have terrible taste. I ended up demoting the LLM to just extract metadata, and built a custom CLIP/Ridge Regression pipeline to actually learn my preferences based on how I rate things. The stack is Phoenix/Oban on the orchestrator side, and Python/FastAPI/Instructor for the AI workers. Happy to answer any questions about the architecture,…

    Apr 2026 · qwelian.com

  16. 16IW

    Facebook's Katran looked too scary (and I don't do C++), so I thought I would investigate using XDP/eBPF to redirect packets at high speed and Go to do the control plane work of health-checking backed servers and managing configuration. With luck the resulting binary should be easy to deploy by non-developers. It's still not mature, but seems to work. Code was written in a very exploratory manner, and I'm not a developer so it is quite shocking at the moment, but I aim to improve it. It is intended to be horizontally scalable with ECMP and has been tested on service providing…

    2022 · github.com

  17. 17MA

    It provides zero-dependency, memory-safe operations for working with torrent files, bencode data, and magnet links.

    2025 · github.com

  18. 18IM

    TLDR: I'm learning Go and [this](https://github.com/ItzaMi/compare-supermarket-prices) is my first project with it. What am I doing wrong and what could I improve? In an attempt to expand my horizons and actually get into backend development, I've decided to learn Go. I picked it for no reason other than the market seems to be in a friendly state towards it, compared to Elixir, but I'm very much enjoying it. Thankfully something unlocked in my brain and I thought of a project to do while learning the syntax and how the language works, so I've built a scraper. Here's the…

    2024

  19. 19EA
  20. 20HA
  21. 21EA

    I built this as a personal replacement for Kiwi Browser, since it is now archived. It brings Chrome extensions to Android. I just wanted something that works fast and feels right for daily use. If Firefox and Edge just don't feel right on Android, and you prefer Chromium but are too lazy to maintain your own fork, this might be the answer. Just don't expect too much—I really just built this for myself. P.S. I realized the name clash with Elixir lang after finishing it. Well, whatever.

    Jan 2026 · github.com

  22. 22MA

    Hey HN! I just released Multiplex, an app to watch torrents together. It provides an experience similar to Apple's SharePlay and Amazon's Prime Video Watch Party, except for any torrent instead of a specific streaming service, and uses WebRTC to synchronize playback positions between the people watching without requiring a central server. It's written in Go and allows the use of a central HTTP to BitTorrent gateway[1] if a viewer can't use the BitTorrent protocol on their own device. I'd love to get your feedback :) [1] https://github.com/pojntfx/htorrent

    2023 · github.com

  23. 23EO
  24. 24ZB

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