Links

Every link below was checked with curl at build time — only live sites made the cut. They mirror the topics covered across the 51 slop-stuff cheatsheets.

Coding agents & harnesses

The terminal-first tools you already use.

• Herdr — Persistent terminal workspace manager for coding agents. herdr.dev
• Hermes Agent docs — Nous Research’s terminal-first agent. hermes-agent.nousresearch.com/docs
• Hermes Agent (GitHub) — Source repository. github.com/NousResearch/hermes-agent
• omp — Coding agent with the IDE wired in. omp.sh
• omp (GitHub) — Source repo — a fork of Pi. github.com/can1357/oh-my-pi
• DeepSeek Harness — DeepSeek’s open agent harness (everything is a plugin). github.com/deepseek-ai/deepseek-harness
• Claude Code — Anthropic’s terminal coding agent. docs.anthropic.com/en/docs/claude-code
• Codex CLI — OpenAI’s terminal coding agent. github.com/openai/codex
• OpenCode — Open-source terminal agent. opencode.ai

Language homes & references

Docs and package registries.

• Rust — The language home. rust-lang.org
• The Rust Book — The canonical introduction. doc.rust-lang.org/book
• crates.io — Rust package registry. crates.io
• docs.rs — Rust crate documentation. docs.rs
• Go — The language home. go.dev
• Go packages — Module & package docs. pkg.go.dev
• TypeScript — The language home. typescriptlang.org
• Python — The language home. python.org
• Python docs — Standard library reference. docs.python.org/3
• cppreference — C and C++ reference. en.cppreference.com
• Lua — The language home. lua.org

Command-line toolbox

Manuals and tools.

• jq — Command-line JSON processor. jqlang.github.io/jq
• jq manual — The full filter-language reference. jqlang.github.io/jq/manual
• Bash manual — GNU Bash reference. gnu.org/software/bash/manual
• sed — Stream editor manual. gnu.org/software/sed
• gawk — AWK programming manual. gnu.org/software/gawk
• ripgrep — Fast recursive grep. github.com/BurntSushi/ripgrep
• ShellCheck — Finds bugs in shell scripts. shellcheck.net
• man7 — Linux man pages online. man7.org/linux/man-pages

Infrastructure & observability

K8s, containers, IaC, monitoring.

• Kubernetes — Container orchestration docs. kubernetes.io
• kubectl reference — The complete CLI reference. kubernetes.io/docs/reference/kubectl
• gcloud — Google Cloud CLI docs. cloud.google.com/sdk/docs
• Docker — Container platform. docker.com
• Docker docs — Engine, Compose, and registry docs. docs.docker.com
• Terraform — Infrastructure as code. developer.hashicorp.com/terraform
• Grafana — Dashboards and observability. grafana.com
• Prometheus — Metrics and alerting. prometheus.io

Storage & streaming

SQL, streams, and caches.

• PostgreSQL — The database and its docs. postgresql.org
• psql — The interactive terminal reference. postgresql.org/docs/current/app-psql
• Kafka — Distributed event streaming. kafka.apache.org
• Redis — In-memory data store. redis.io
• Use The Index, Luke — SQL indexing explained. use-the-index-luke.com
• SQLite — Embedded SQL database. sqlite.org

Microcontrollers & firmware

Boards and RTOS.

• Espressif — ESP32 and ESP8266 maker. espressif.com
• ESP-IDF docs — Official framework reference. docs.espressif.com/esp-idf
• Arduino — Boards and IDE. arduino.cc
• STMicroelectronics — STM32 and more. st.com
• ST (GitHub) — STM32 HAL, examples, and tools. github.com/STMicroelectronics
• RP2040 — Raspberry Pi microcontroller docs. raspberrypi.com/documentation/microcontrollers
• FreeRTOS — Real-time operating system. freertos.org

Parts, learning & circuits

Suppliers and references.

• Adafruit — Maker electronics store. adafruit.com
• Adafruit Learn — Project guides and tutorials. learn.adafruit.com
• SparkFun — Electronics and tutorials. sparkfun.com
• All About Circuits — Textbooks and articles. allaboutcircuits.com
• DigiKey — Component distributor. digikey.com
• Build Electronic Circuits — Practical circuit guides. build-electronic-circuits.com

Flight controllers & builds

Firmware and community.

• Betaflight — FPV flight controller firmware. betaflight.com
• ArduPilot — Autopilot firmware. ardupilot.org
• Oscar Liang — FPV build and tuning guides. oscarliang.com
• ExpressLRS — Open RC radio link. expresslrs.org

Ham radio & SDR

Spectrum resources.

• ARRL — Amateur radio association. arrl.org
• GNU Radio — SDR flowgraph framework. wiki.gnuradio.org
• RTL-SDR — SDR hardware and projects. rtl-sdr.com
• Signal Identification Wiki — Identify radio signals. sigidwiki.com

OpenGL, shaders & SDL

Rendering references.

• LearnOpenGL — The classic modern-OpenGL tutorial. learnopengl.com
• The Book of Shaders — Gentle shader introduction. thebookofshaders.com
• Khronos OpenGL — Spec and registry. khronos.org/opengl
• SDL wiki — SDL2/SDL3 API docs. wiki.libsdl.org
• Inigo Quilez — SDFs, raymarching, and graphics math. iquilezles.org

Patterns & design

The must-read books.

• Game Programming Patterns — Free online book by Robert Nystrom. gameprogrammingpatterns.com
• Data-Oriented Design — Free online book by Richard Fabian. dataorienteddesign.com/dodbook

Low-level & kernel

Reference and tooling.

• OSDev Wiki — Operating-system development. wiki.osdev.org
• x86 reference — Instruction set reference. felixcloutier.com/x86
• Linux kernel docs — Official kernel documentation. kernel.org/doc
• Compiler Explorer — See compiled assembly live. godbolt.org

Learning & visualization

Applied math resources.

• Khan Academy — Free math courses. khanacademy.org
• Paul’s Online Math Notes — Calculus and algebra notes. tutorial.math.lamar.edu
• Desmos — Graphing calculator. desmos.com

Research & filings

For value investing.

• Investopedia — Financial terms and concepts. investopedia.com
• SEC EDGAR — Company filings and 10-Ks. sec.gov/edgar/search

Offensive & defensive

Practice and references.

• OWASP — Application security foundation. owasp.org
• OWASP Cheat Sheets — Defensive security recipes. cheatsheetseries.owasp.org
• Hack The Box — Hands-on pentesting labs. hackthebox.com
• TryHackMe — Guided security rooms. tryhackme.com
• Nmap — Network scanner. nmap.org
• GTFOBins — Living-off-the-land binaries. gtfobins.github.io

Excel & friends

Formulas and tips.

• Excel help — Official Microsoft docs. support.microsoft.com/excel
• ExcelJet — Formula and shortcut reference. exceljet.net

Daily drivers

Community and reference.

• GitHub — Code hosting. github.com
• Hacker News — Tech news and discussion. news.ycombinator.com
• lobste.rs — Computing-focused link aggregator. lobste.rs
• Stack Overflow — Programming Q&A. stackoverflow.com
• DevDocs — Offline API documentation. devdocs.io
• Wikipedia — The encyclopedia. en.wikipedia.org