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Top 20 Nix flake Projects
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nix-starter-configs
Simple and documented config templates to help you get started with NixOS + home-manager + flakes. All the boilerplate you need!
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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disko
Declarative disk partitioning and formatting using nix [maintainers=@Lassulus @Enzime @iFreilicht @Mic92 @phaer]
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You could manage those VMs with https://microvm-nix.github.io/microvm.nix/ that helps with mounting the nix store read only from the host into the vm. That should save more space than trying to reduce the dependencies of the system closure of the vm.
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Project mention: Claude Code as a Daily Driver: Claude.md, Skills, Subagents, Plugins, and MCPs | news.ycombinator.com | 2026-05-27
There are two kinds of organization happening here that you might not see:
1. All .nix files (besides flake.nix) are flake-parts modules: https://flake.parts/
2. It's not only usable with experimental flakes. Works fine with unflake or trix.
The experimental part of flakes is enabling flake support in the `nix` CLI.
Flakes are also a design pattern in pure Nix syntax that can be evaluated fine without the experimental flag.
If you're curious about this meaningful organization, it's pretty well-documented:
https://denful.dev/
As for the experimental nature of flakes, it's more of a social experiment by now:
https://simonshine.dk/articles/if-flakes-are-experimental-wh...
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fenix
Rust toolchains and rust-analyzer nightly for Nix [maintainers=@figsoda, @eureka-cpu] (by figsoda)
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Project mention: Should I Run Plain Docker Compose in Production in 2026? | news.ycombinator.com | 2026-05-05
Well yes, but if you think you need docker-compose then you're looking for runtime control and not build time control, so you should use this nix flake: https://github.com/juspay/services-flake (which uses process-compose instead of docker-compose).
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nixcfg
My nix configuration(s), using flakes. It's my laptop, it's my servers, it's my everything, in code. (by MatthewCroughan)
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process-compose-flake
A `flake-parts` module to spin up processes for development by leveraging `process-compose`
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nixos-flake-example
This is a demo NixOS config, with optional flakes support. Along with notes on why flakes is useful and worth adopting.
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llmhop
Tiny, stateless Go router that dispatches OpenAI-compatible requests to single-model vLLM and sglang backends with zero external dependencies
Project mention: Show HN: LLMhop – A tiny, stateless router for LLMs with a NixOS module | news.ycombinator.com | 2026-06-04 -
nix-flake-helium-browser
Nix Flake for Helium browser. Auto updates, Policy support, NixOS module, Home-manager module
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Nix flakes discussion
Nix flakes related posts
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How I Organized over 100 NixOS Modules Without Going Crazy
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Servidor de Factorio 100% declarativo com NixOS e Terraform no Magalu Cloud
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Haskell Project Template with Nix Flakes
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NixOS is a good server OS, except when it isn't
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Arch is a gateway drug to NixOS
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NixOS MicroVMs
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Home-manager as NixOS module or as standalone?
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A note from our sponsor - SaaSHub
www.saashub.com | 6 Oct 2026
Index
What are some of the best open-source flake projects in Nix? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | nix-starter-configs | 3,844 |
| 2 | disko | 3,353 |
| 3 | microvm.nix | 2,990 |
| 4 | dev-templates | 2,360 |
| 5 | flake-parts | 1,485 |
| 6 | fenix | 1,124 |
| 7 | services-flake | 769 |
| 8 | haumea | 420 |
| 9 | nixcfg | 331 |
| 10 | skyflake | 243 |
| 11 | nix-cargo-integration | 217 |
| 12 | process-compose-flake | 205 |
| 13 | nixconfig | 187 |
| 14 | nixos-flake-example | 180 |
| 15 | nix-config | 143 |
| 16 | typelevel-nix | 134 |
| 17 | cfg | 86 |
| 18 | flocken | 21 |
| 19 | llmhop | 13 |
| 20 | nix-flake-helium-browser | 1 |
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