Hidden Assumptions in Open Source

225 repositories analyzed for the assumptions their code relies on but never validates. Plus the pipeline, data models, and system behavior behind each.

ML Training Pipelines 6 repos

tensorflow/tensorflow

12 assumptions · 8 components · C++ · 194,783 stars

pytorch/pytorch

13 assumptions · 8 components · Python · 99,277 stars

hiyouga/llamafactory

12 assumptions · 9 components · Python · 70,341 stars

karpathy/nanogpt

12 assumptions · 9 components · Python · 56,903 stars

oobabooga/text-generation-webui

10 components · Python · 46,385 stars

lm-sys/fastchat

11 assumptions · 9 components · Python · 39,452 stars

Fullstack Apps 6 repos

n8n-io/n8n

15 assumptions · 8 components · TypeScript · 184,783 stars

automatic1111/stable-diffusion-webui

13 assumptions · 8 components · Python · 162,486 stars

vercel/next.js

14 assumptions · 7 components · JavaScript · 139,014 stars

comfy-org/comfyui

12 assumptions · 8 components · Python · 109,337 stars

supabase/supabase

12 assumptions · 8 components · TypeScript · 101,134 stars

louislam/uptime-kuma

12 assumptions · 7 components · JavaScript · 85,494 stars

ML Inference & Agents 6 repos

significant-gravitas/autogpt

12 assumptions · 8 components · Python · 183,578 stars

ollama/ollama

12 assumptions · 9 components · Go · 169,478 stars

langflow-ai/langflow

13 assumptions · 8 components · Python · 147,138 stars

langchain-ai/langchain

11 assumptions · 8 components · Python · 134,112 stars

ggml-org/llama.cpp

14 assumptions · 9 components · C++ · 105,122 stars

instructkr/claw-code

12 components · Rust · 103,430 stars

Backend APIs & Services 6 repos

fastapi/fastapi

10 assumptions · 8 components · Python · 97,409 stars

caddyserver/caddy

12 assumptions · 8 components · Go · 71,685 stars

pocketbase/pocketbase

11 assumptions · 10 components · Go · 57,734 stars

appwrite/appwrite

13 assumptions · 8 components · TypeScript · 55,788 stars

kong/kong

15 assumptions · 10 components · Lua · 43,222 stars

nginx/nginx

12 assumptions · 8 components · C · 30,014 stars

Dashboards & Analytics 6 repos

netdata/netdata

12 assumptions · 9 components · C · 78,511 stars

clickhouse/clickhouse

12 components · C++ · 46,617 stars

timescale/timescaledb

11 components · C · 22,252 stars

questdb/questdb

9 components · Java · 16,807 stars

twin/gatus

11 assumptions · 8 components · Go · 10,712 stars

databendlabs/databend

10 components · Rust · 9,220 stars

Library 6 repos

expressjs/express

12 assumptions · 8 components · JavaScript · 68,949 stars

scikit-learn/scikit-learn

12 assumptions · 8 components · Python · 65,872 stars

keras-team/keras

13 assumptions · 6 components · Python · 64,016 stars

pandas-dev/pandas

10 components · Python · 48,310 stars

trpc/trpc

12 assumptions · 8 components · TypeScript · 40,027 stars

pola-rs/polars

10 components · Rust · 37,943 stars

CLI Tool 6 repos

burntsushi/ripgrep

12 assumptions · 8 components · Rust · 62,689 stars

sharkdp/bat

10 assumptions · 8 components · Rust · 58,379 stars

prettier/prettier

10 assumptions · 8 components · JavaScript · 51,810 stars

sharkdp/fd

13 assumptions · 9 components · Rust · 42,613 stars

t3-oss/create-t3-app

12 assumptions · 8 components · TypeScript · 28,831 stars

rollup/rollup

13 assumptions · 9 components · JavaScript · 26,268 stars

Data Pipelines 6 repos

chroma-core/chroma

12 assumptions · 10 components · Rust · 27,516 stars

kestra-io/kestra

8 components · Java · 26,641 stars

apache/flink

10 components · Java · 25,907 stars

airbytehq/airbyte

13 assumptions · 8 components · Python · 21,107 stars

trinodb/trino

8 components · Java · 12,674 stars

orchest/orchest

10 components · TypeScript · 4,136 stars

Developer Tools 3 repos

webpack/webpack

9 assumptions · 8 components · JavaScript · 65,813 stars

eslint/eslint

10 assumptions · 8 components · JavaScript · 27,194 stars

wasp-lang/wasp

10 assumptions · 5 components · TypeScript · 18,258 stars